Closes #14: Soft delete on DocumentTag + audit log ordering

+ New resource to attach a document to a file and OCR/Lucene it

.gitignore

@@ -4,6 +4,7 @@
 /*/bin
 /*/gen
 /*/target
+/*/build
 /*/*.iml
 /out
 /.idea

Dockerfile

@@ -0,0 +1,10 @@
+FROM sismics/debian-java7-jetty9
+MAINTAINER benjamin.gam@gmail.com
+
+RUN apt-get -y -q install tesseract-ocr tesseract-ocr-fra tesseract-ocr-jpn
+
+ENV TESSDATA_PREFIX /usr/share/tesseract-ocr
+ENV LC_NUMERIC C
+
+ADD docs-web/target/docs-web-*.war /opt/jetty/webapps/docs.war
+ADD docs.xml /opt/jetty/webapps/docs.xml

README.md

@@ -1,7 +1,13 @@
 Sismics Docs
 ============
 
-![](http://www.bgamard.org/img/projects/sismicsdocs.jpg)
+_Web interface_
+
+![Web interface](http://sismics.com/docs/screenshot1.png)
+
+_Android application_
+
+![Android documents list](http://sismics.com/docs/android1.png) ![Android navigation](http://sismics.com/docs/android2.png) ![Android document details](http://sismics.com/docs/android3.png)
 
 What is Docs?
 ---------------
@@ -20,20 +26,21 @@ Features
 - Full text search in image and PDF
 - SHA-256 encryption
 - Tag system
-- Multi-users
+- Multi-users ACL system
-- Document sharing
+- Document sharing by URL
 - RESTful Web API
+- Modern Android client
 
-License
+Download
--------
+--------
 
-Docs is released under the terms of the GPL license. See `COPYING` for more
+The latest release is downloadable here: <https://github.com/sismics/docs/releases> in WAR format.
-information or see <http://opensource.org/licenses/GPL-2.0>.
+You will need a Java webapp server to run it, like [Jetty](http://eclipse.org/jetty/) or [Tomcat](http://tomcat.apache.org/)
 
 How to build Docs from the sources
 ----------------------------------
 
-Prerequisites: JDK 7, Maven 3, Tesseract 3.02
+Prerequisites: JDK 7 with JCE, Maven 3, Tesseract 3.02
 
 Docs is organized in several Maven modules:
 
@@ -65,3 +72,9 @@ From the `docs-web` directory:
     mvn -Pprod -DskipTests clean install
 
 You will get your deployable WAR in the `target` directory.
+
+License
+-------
+
+Docs is released under the terms of the GPL license. See `COPYING` for more
+information or see <http://opensource.org/licenses/GPL-2.0>.

build.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+docker build -t sismics/docs .

docs-android/app/app.iml

@@ -1,13 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" type="JAVA_MODULE" version="4">
+<module external.linked.project.id=":app" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" external.system.module.group="docs-android" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
   <component name="FacetManager">
+    <facet type="android-gradle" name="Android-Gradle">
+      <configuration>
+        <option name="GRADLE_PROJECT_PATH" value=":app" />
+      </configuration>
+    </facet>
     <facet type="android" name="Android">
       <configuration>
         <option name="SELECTED_BUILD_VARIANT" value="debug" />
+        <option name="SELECTED_TEST_ARTIFACT" value="_android_test_" />
         <option name="ASSEMBLE_TASK_NAME" value="assembleDebug" />
-        <option name="COMPILE_JAVA_TASK_NAME" value="compileDebugJava" />
+        <option name="COMPILE_JAVA_TASK_NAME" value="compileDebugSources" />
-        <option name="ASSEMBLE_TEST_TASK_NAME" value="assembleDebugTest" />
         <option name="SOURCE_GEN_TASK_NAME" value="generateDebugSources" />
+        <option name="ASSEMBLE_TEST_TASK_NAME" value="assembleDebugAndroidTest" />
+        <option name="COMPILE_JAVA_TEST_TASK_NAME" value="compileDebugAndroidTestSources" />
+        <option name="TEST_SOURCE_GEN_TASK_NAME" value="generateDebugAndroidTestSources" />
         <option name="ALLOW_USER_CONFIGURATION" value="false" />
         <option name="MANIFEST_FILE_RELATIVE_PATH" value="/src/main/AndroidManifest.xml" />
         <option name="RES_FOLDER_RELATIVE_PATH" value="/src/main/res" />
@@ -15,62 +23,99 @@
         <option name="ASSETS_FOLDER_RELATIVE_PATH" value="/src/main/assets" />
       </configuration>
     </facet>
-    <facet type="android-gradle" name="Android-Gradle">
-      <configuration>
-        <option name="GRADLE_PROJECT_PATH" value=":app" />
-      </configuration>
-    </facet>
   </component>
   <component name="NewModuleRootManager" inherit-compiler-output="false">
-    <output url="file://$MODULE_DIR$/build/classes/debug" />
+    <output url="file://$MODULE_DIR$/build/intermediates/classes/debug" />
+    <output-test url="file://$MODULE_DIR$/build/intermediates/classes/androidTest/debug" />
     <exclude-output />
     <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/build/source/r/debug" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/aidl/debug" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/buildConfig/debug" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/rs/debug" isTestSource="false" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/res/rs/debug" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/debug" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/r/test/debug" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/res/generated/debug" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/aidl/test/debug" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/r/androidTest/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/buildConfig/test/debug" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/aidl/androidTest/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/source/rs/test/debug" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/androidTest/debug" isTestSource="true" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/res/rs/test/debug" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/rs/androidTest/debug" isTestSource="true" generated="true" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/androidTest/debug" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/build/generated/res/generated/androidTest/debug" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/debug/res" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/debug/assets" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/debug/aidl" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/assets" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/debug/java" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/debug/jni" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/debug/rs" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/res" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/assets" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/aidl" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/assets" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/jni" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/rs" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/instrumentTest/aidl" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/instrumentTest/assets" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/aidl" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/instrumentTest/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/instrumentTest/jni" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/instrumentTest/rs" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/instrumentTest/res" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/instrumentTest/resources" type="java-test-resource" />
       <excludeFolder url="file://$MODULE_DIR$/build/apk" />
       <excludeFolder url="file://$MODULE_DIR$/build/assets" />
-      <excludeFolder url="file://$MODULE_DIR$/build/bundles" />
       <excludeFolder url="file://$MODULE_DIR$/build/classes" />
       <excludeFolder url="file://$MODULE_DIR$/build/dependency-cache" />
+      <excludeFolder url="file://$MODULE_DIR$/build/dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/incremental" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/bundles" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/coverage-instrumented-classes" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex-cache" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/appcompat-v7/22.1.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/22.0.0/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-v4/22.1.1/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.shamanland/fab/0.0.6/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/it.sephiroth.android.library.easing/android-easing/1.0.3/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/it.sephiroth.android.library.imagezoom/imagezoom/1.0.5/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jacoco" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/javaResources" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/libs" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/lint" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/ndk" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/pre-dexed" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/proguard" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
       <excludeFolder url="file://$MODULE_DIR$/build/libs" />
       <excludeFolder url="file://$MODULE_DIR$/build/manifests" />
+      <excludeFolder url="file://$MODULE_DIR$/build/ndk" />
+      <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
+      <excludeFolder url="file://$MODULE_DIR$/build/pre-dexed" />
       <excludeFolder url="file://$MODULE_DIR$/build/res" />
+      <excludeFolder url="file://$MODULE_DIR$/build/rs" />
+      <excludeFolder url="file://$MODULE_DIR$/build/source" />
       <excludeFolder url="file://$MODULE_DIR$/build/symbols" />
       <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
     </content>
-    <orderEntry type="jdk" jdkName="Android API 19 Platform" jdkType="Android SDK" />
+    <orderEntry type="jdk" jdkName="Android API 22 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" exported="" name="support-v4-18.0.0" level="project" />
+    <orderEntry type="library" exported="" name="appcompat-v7-22.1.1" level="project" />
+    <orderEntry type="library" exported="" name="fab-0.0.6" level="project" />
+    <orderEntry type="library" exported="" name="android-easing-1.0.3" level="project" />
+    <orderEntry type="library" exported="" name="imagezoom-1.0.5" level="project" />
+    <orderEntry type="library" exported="" name="eventbus-2.4.0" level="project" />
+    <orderEntry type="library" exported="" name="android-query.0.26.8" level="project" />
+    <orderEntry type="library" exported="" name="tokenautocomplete-1.2.1" level="project" />
+    <orderEntry type="library" exported="" name="support-v4-22.1.1" level="project" />
+    <orderEntry type="library" exported="" name="support-annotations-22.1.1" level="project" />
+    <orderEntry type="library" exported="" name="recyclerview-v7-22.0.0" level="project" />
+    <orderEntry type="library" exported="" name="android-async-http-1.4.6" level="project" />
   </component>
 </module>
-

docs-android/app/build.gradle

@@ -3,22 +3,22 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.7.+'
+        classpath 'com.android.tools.build:gradle:1.2.3'
     }
 }
-apply plugin: 'android'
+apply plugin: 'com.android.application'
 
 repositories {
     mavenCentral()
 }
 
 android {
-    compileSdkVersion 19
+    compileSdkVersion 22
-    buildToolsVersion "19.0.0"
+    buildToolsVersion "22.0.1"
 
     defaultConfig {
         minSdkVersion 14
-        targetSdkVersion 19
+        targetSdkVersion 22
         versionCode 1
         versionName "1.0"
     }
@@ -27,14 +27,33 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_7
         targetCompatibility JavaVersion.VERSION_1_7
     }
+
+    signingConfigs {
+        release {
+            storeFile file(System.getenv("TRACKINO_STORE_PATH"))
+            storePassword System.getenv("TRACKINO_STORE_PASS")
+            keyAlias System.getenv("TRACKINO_STORE_ALIAS")
+            keyPassword System.getenv("TRACKINO_STORE_KEYPASS")
+        }
+    }
+
     buildTypes {
         release {
-            runProguard false
+            signingConfig signingConfigs.release
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
         }
     }
+
+    lintOptions {
+        abortOnError false
+    }
 }
 
 dependencies {
-    compile 'com.android.support:support-v4:18.0.0'
+    compile fileTree(dir: 'libs', include: '*.jar')
+    compile 'com.android.support:appcompat-v7:22.1.1'
+    compile 'com.android.support:recyclerview-v7:22.0.0'
+    compile 'com.loopj.android:android-async-http:1.4.6'
+    compile 'it.sephiroth.android.library.imagezoom:imagezoom:1.0.5'
+    compile 'de.greenrobot:eventbus:2.4.0'
+    compile 'com.shamanland:fab:0.0.6'
 }

docs-android/app/src/main/AndroidManifest.xml

@@ -2,28 +2,66 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.sismics.docs" >
 
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+
     <application
+        android:name=".MainApplication"
         android:allowBackup="true"
-        android:icon="@drawable/ic_launcher"
+        android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:theme="@style/AppTheme" >
         <activity
-            android:name="com.sismics.docs.DocListActivity"
+            android:name=".activity.LoginActivity"
-            android:label="@string/app_name" >
+            android:label="@string/app_name"
+            android:theme="@style/AppThemeDark">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
         <activity
-            android:name="com.sismics.docs.DocDetailActivity"
+            android:name=".activity.MainActivity"
-            android:label="@string/title_doc_detail"
+            android:label="@string/app_name"
-            android:parentActivityName="com.sismics.docs.DocListActivity" >
+            android:launchMode="singleTop"
-            <meta-data
+            android:windowSoftInputMode="adjustNothing">
-                android:name="android.support.PARENT_ACTIVITY"
+            <intent-filter>
-                android:value="com.sismics.docs.DocListActivity" />
+                <action android:name="android.intent.action.SEARCH" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.GET_CONTENT" />
+                <category android:name="android.intent.category.OPENABLE" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="*/*" />
+            </intent-filter>
+            <meta-data android:name="android.app.searchable" android:resource="@xml/searchable" />
         </activity>
+        <activity
+            android:name=".activity.DocumentViewActivity"
+            android:label="">
+        </activity>
+        <activity
+            android:name=".activity.DocumentEditActivity"
+            android:label="@string/new_document">
+        </activity>
+        <activity
+            android:name=".activity.SettingsActivity"
+            android:label="@string/settings">
+        </activity>
+        <provider android:name=".provider.RecentSuggestionsProvider"
+            android:exported="false"
+            android:authorities="com.sismics.docs.provider.RecentSuggestionsProvider" />
+        <service
+            android:name=".service.FileUploadService"
+            android:enabled="true"
+            android:exported="false" >
+            <intent-filter>
+                <action android:name="com.sismics.docs.file.upload"/>
+            </intent-filter>
+        </service>
     </application>
 
 </manifest>

docs-android/app/src/main/java/com/sismics/docs/DocDetailActivity.java

@@ -1,67 +0,0 @@
-package com.sismics.docs;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.support.v4.app.FragmentActivity;
-import android.support.v4.app.NavUtils;
-import android.view.MenuItem;
-
-/**
- * An activity representing a single Doc detail screen. This
- * activity is only used on handset devices. On tablet-size devices,
- * item details are presented side-by-side with a list of items
- * in a {@link DocListActivity}.
- * <p>
- * This activity is mostly just a 'shell' activity containing nothing
- * more than a {@link DocDetailFragment}.
- */
-public class DocDetailActivity extends FragmentActivity {
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_doc_detail);
-
-        // Show the Up button in the action bar.
-        getActionBar().setDisplayHomeAsUpEnabled(true);
-
-        // savedInstanceState is non-null when there is fragment state
-        // saved from previous configurations of this activity
-        // (e.g. when rotating the screen from portrait to landscape).
-        // In this case, the fragment will automatically be re-added
-        // to its container so we don't need to manually add it.
-        // For more information, see the Fragments API guide at:
-        //
-        // http://developer.android.com/guide/components/fragments.html
-        //
-        if (savedInstanceState == null) {
-            // Create the detail fragment and add it to the activity
-            // using a fragment transaction.
-            Bundle arguments = new Bundle();
-            arguments.putString(DocDetailFragment.ARG_ITEM_ID,
-                    getIntent().getStringExtra(DocDetailFragment.ARG_ITEM_ID));
-            DocDetailFragment fragment = new DocDetailFragment();
-            fragment.setArguments(arguments);
-            getSupportFragmentManager().beginTransaction()
-                    .add(R.id.doc_detail_container, fragment)
-                    .commit();
-        }
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        int id = item.getItemId();
-        if (id == android.R.id.home) {
-            // This ID represents the Home or Up button. In the case of this
-            // activity, the Up button is shown. Use NavUtils to allow users
-            // to navigate up one level in the application structure. For
-            // more details, see the Navigation pattern on Android Design:
-            //
-            // http://developer.android.com/design/patterns/navigation.html#up-vs-back
-            //
-            NavUtils.navigateUpTo(this, new Intent(this, DocListActivity.class));
-            return true;
-        }
-        return super.onOptionsItemSelected(item);
-    }
-}

docs-android/app/src/main/java/com/sismics/docs/DocDetailFragment.java

@@ -1,61 +0,0 @@
-package com.sismics.docs;
-
-import android.os.Bundle;
-import android.support.v4.app.Fragment;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import com.sismics.docs.dummy.DummyContent;
-
-/**
- * A fragment representing a single Doc detail screen.
- * This fragment is either contained in a {@link DocListActivity}
- * in two-pane mode (on tablets) or a {@link DocDetailActivity}
- * on handsets.
- */
-public class DocDetailFragment extends Fragment {
-    /**
-     * The fragment argument representing the item ID that this fragment
-     * represents.
-     */
-    public static final String ARG_ITEM_ID = "item_id";
-
-    /**
-     * The dummy content this fragment is presenting.
-     */
-    private DummyContent.DummyItem mItem;
-
-    /**
-     * Mandatory empty constructor for the fragment manager to instantiate the
-     * fragment (e.g. upon screen orientation changes).
-     */
-    public DocDetailFragment() {
-    }
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        if (getArguments().containsKey(ARG_ITEM_ID)) {
-            // Load the dummy content specified by the fragment
-            // arguments. In a real-world scenario, use a Loader
-            // to load content from a content provider.
-            mItem = DummyContent.ITEM_MAP.get(getArguments().getString(ARG_ITEM_ID));
-        }
-    }
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-            Bundle savedInstanceState) {
-        View rootView = inflater.inflate(R.layout.fragment_doc_detail, container, false);
-
-        // Show the dummy content as text in a TextView.
-        if (mItem != null) {
-            ((TextView) rootView.findViewById(R.id.doc_detail)).setText(mItem.content);
-        }
-
-        return rootView;
-    }
-}

docs-android/app/src/main/java/com/sismics/docs/DocListActivity.java

@@ -1,81 +0,0 @@
-package com.sismics.docs;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.support.v4.app.FragmentActivity;
-
-
-/**
- * An activity representing a list of Docs. This activity
- * has different presentations for handset and tablet-size devices. On
- * handsets, the activity presents a list of items, which when touched,
- * lead to a {@link DocDetailActivity} representing
- * item details. On tablets, the activity presents the list of items and
- * item details side-by-side using two vertical panes.
- * <p>
- * The activity makes heavy use of fragments. The list of items is a
- * {@link DocListFragment} and the item details
- * (if present) is a {@link DocDetailFragment}.
- * <p>
- * This activity also implements the required
- * {@link DocListFragment.Callbacks} interface
- * to listen for item selections.
- */
-public class DocListActivity extends FragmentActivity
-        implements DocListFragment.Callbacks {
-
-    /**
-     * Whether or not the activity is in two-pane mode, i.e. running on a tablet
-     * device.
-     */
-    private boolean mTwoPane;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_doc_list);
-
-        if (findViewById(R.id.doc_detail_container) != null) {
-            // The detail container view will be present only in the
-            // large-screen layouts (res/values-large and
-            // res/values-sw600dp). If this view is present, then the
-            // activity should be in two-pane mode.
-            mTwoPane = true;
-
-            // In two-pane mode, list items should be given the
-            // 'activated' state when touched.
-            ((DocListFragment) getSupportFragmentManager()
-                    .findFragmentById(R.id.doc_list))
-                    .setActivateOnItemClick(true);
-        }
-
-        // TODO: If exposing deep links into your app, handle intents here.
-    }
-
-    /**
-     * Callback method from {@link DocListFragment.Callbacks}
-     * indicating that the item with the given ID was selected.
-     */
-    @Override
-    public void onItemSelected(String id) {
-        if (mTwoPane) {
-            // In two-pane mode, show the detail view in this activity by
-            // adding or replacing the detail fragment using a
-            // fragment transaction.
-            Bundle arguments = new Bundle();
-            arguments.putString(DocDetailFragment.ARG_ITEM_ID, id);
-            DocDetailFragment fragment = new DocDetailFragment();
-            fragment.setArguments(arguments);
-            getSupportFragmentManager().beginTransaction()
-                    .replace(R.id.doc_detail_container, fragment)
-                    .commit();
-
-        } else {
-            // In single-pane mode, simply start the detail activity
-            // for the selected item ID.
-            Intent detailIntent = new Intent(this, DocDetailActivity.class);
-            detailIntent.putExtra(DocDetailFragment.ARG_ITEM_ID, id);
-            startActivity(detailIntent);
-        }
-    }
-}

docs-android/app/src/main/java/com/sismics/docs/DocListFragment.java

@@ -1,151 +0,0 @@
-package com.sismics.docs;
-
-import android.app.Activity;
-import android.os.Bundle;
-import android.support.v4.app.ListFragment;
-import android.view.View;
-import android.widget.ArrayAdapter;
-import android.widget.ListView;
-
-import com.sismics.docs.dummy.DummyContent;
-
-/**
- * A list fragment representing a list of Docs. This fragment
- * also supports tablet devices by allowing list items to be given an
- * 'activated' state upon selection. This helps indicate which item is
- * currently being viewed in a {@link DocDetailFragment}.
- * <p>
- * Activities containing this fragment MUST implement the {@link Callbacks}
- * interface.
- */
-public class DocListFragment extends ListFragment {
-
-    /**
-     * The serialization (saved instance state) Bundle key representing the
-     * activated item position. Only used on tablets.
-     */
-    private static final String STATE_ACTIVATED_POSITION = "activated_position";
-
-    /**
-     * The fragment's current callback object, which is notified of list item
-     * clicks.
-     */
-    private Callbacks mCallbacks = sDummyCallbacks;
-
-    /**
-     * The current activated item position. Only used on tablets.
-     */
-    private int mActivatedPosition = ListView.INVALID_POSITION;
-
-    /**
-     * A callback interface that all activities containing this fragment must
-     * implement. This mechanism allows activities to be notified of item
-     * selections.
-     */
-    public interface Callbacks {
-        /**
-         * Callback for when an item has been selected.
-         */
-        public void onItemSelected(String id);
-    }
-
-    /**
-     * A dummy implementation of the {@link Callbacks} interface that does
-     * nothing. Used only when this fragment is not attached to an activity.
-     */
-    private static Callbacks sDummyCallbacks = new Callbacks() {
-        @Override
-        public void onItemSelected(String id) {
-        }
-    };
-
-    /**
-     * Mandatory empty constructor for the fragment manager to instantiate the
-     * fragment (e.g. upon screen orientation changes).
-     */
-    public DocListFragment() {
-    }
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        // TODO: replace with a real list adapter.
-        setListAdapter(new ArrayAdapter<DummyContent.DummyItem>(
-                getActivity(),
-                android.R.layout.simple_list_item_activated_1,
-                android.R.id.text1,
-                DummyContent.ITEMS));
-    }
-
-    @Override
-    public void onViewCreated(View view, Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-
-        // Restore the previously serialized activated item position.
-        if (savedInstanceState != null
-                && savedInstanceState.containsKey(STATE_ACTIVATED_POSITION)) {
-            setActivatedPosition(savedInstanceState.getInt(STATE_ACTIVATED_POSITION));
-        }
-    }
-
-    @Override
-    public void onAttach(Activity activity) {
-        super.onAttach(activity);
-
-        // Activities containing this fragment must implement its callbacks.
-        if (!(activity instanceof Callbacks)) {
-            throw new IllegalStateException("Activity must implement fragment's callbacks.");
-        }
-
-        mCallbacks = (Callbacks) activity;
-    }
-
-    @Override
-    public void onDetach() {
-        super.onDetach();
-
-        // Reset the active callbacks interface to the dummy implementation.
-        mCallbacks = sDummyCallbacks;
-    }
-
-    @Override
-    public void onListItemClick(ListView listView, View view, int position, long id) {
-        super.onListItemClick(listView, view, position, id);
-
-        // Notify the active callbacks interface (the activity, if the
-        // fragment is attached to one) that an item has been selected.
-        mCallbacks.onItemSelected(DummyContent.ITEMS.get(position).id);
-    }
-
-    @Override
-    public void onSaveInstanceState(Bundle outState) {
-        super.onSaveInstanceState(outState);
-        if (mActivatedPosition != ListView.INVALID_POSITION) {
-            // Serialize and persist the activated item position.
-            outState.putInt(STATE_ACTIVATED_POSITION, mActivatedPosition);
-        }
-    }
-
-    /**
-     * Turns on activate-on-click mode. When this mode is on, list items will be
-     * given the 'activated' state when touched.
-     */
-    public void setActivateOnItemClick(boolean activateOnItemClick) {
-        // When setting CHOICE_MODE_SINGLE, ListView will automatically
-        // give items the 'activated' state when touched.
-        getListView().setChoiceMode(activateOnItemClick
-                ? ListView.CHOICE_MODE_SINGLE
-                : ListView.CHOICE_MODE_NONE);
-    }
-
-    private void setActivatedPosition(int position) {
-        if (position == ListView.INVALID_POSITION) {
-            getListView().setItemChecked(mActivatedPosition, false);
-        } else {
-            getListView().setItemChecked(position, true);
-        }
-
-        mActivatedPosition = position;
-    }
-}

docs-android/app/src/main/java/com/sismics/docs/MainApplication.java

@@ -0,0 +1,33 @@
+package com.sismics.docs;
+
+import android.app.Application;
+
+import com.androidquery.callback.BitmapAjaxCallback;
+import com.sismics.docs.model.application.ApplicationContext;
+import com.sismics.docs.util.PreferenceUtil;
+
+import org.json.JSONObject;
+
+/**
+ * Main application.
+ * 
+ * @author bgamard
+ */
+public class MainApplication extends Application {
+    @Override
+    public void onCreate() {
+        // Fetching GET /user from cache
+        JSONObject json = PreferenceUtil.getCachedJson(getApplicationContext(), PreferenceUtil.PREF_CACHED_USER_INFO_JSON);
+        ApplicationContext.getInstance().setUserInfo(getApplicationContext(), json);
+
+        // TODO google docs app: right drawer with all actions, with acls, with deep metadatas
+        // TODO Provide documents to intent action get content
+
+        super.onCreate();
+    }
+
+    @Override
+    public void onLowMemory() {
+        BitmapAjaxCallback.clearCache();
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/activity/DocumentEditActivity.java

@@ -0,0 +1,240 @@
+package com.sismics.docs.activity;
+
+import android.app.ProgressDialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.widget.EditText;
+import android.widget.Spinner;
+import android.widget.Toast;
+
+import com.sismics.docs.R;
+import com.sismics.docs.adapter.LanguageAdapter;
+import com.sismics.docs.adapter.TagAutoCompleteAdapter;
+import com.sismics.docs.event.DocumentAddEvent;
+import com.sismics.docs.event.DocumentEditEvent;
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+import com.sismics.docs.resource.DocumentResource;
+import com.sismics.docs.ui.form.Validator;
+import com.sismics.docs.ui.form.validator.Required;
+import com.sismics.docs.ui.view.DatePickerView;
+import com.sismics.docs.ui.view.TagsCompleteTextView;
+import com.sismics.docs.util.PreferenceUtil;
+
+import org.apache.http.Header;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import de.greenrobot.event.EventBus;
+
+/**
+ * Document edition activity.
+ *
+ * @author bgamard.
+ */
+public class DocumentEditActivity extends AppCompatActivity {
+    /**
+     * Document edited.
+     */
+    private JSONObject document;
+
+    /**
+     * Form validator.
+     */
+    private Validator validator;
+
+    // View cache
+    private EditText titleEditText;
+    private EditText descriptionEditText;
+    private TagsCompleteTextView tagsEditText;
+    private Spinner languageSpinner;
+    private DatePickerView datePickerView;
+
+    @Override
+    protected void onCreate(Bundle args) {
+        super.onCreate(args);
+
+        // Handle activity context
+        if (getIntent() == null) {
+            finish();
+            return;
+        }
+
+        // Parse input document
+        String documentJson = getIntent().getStringExtra("document");
+        if (documentJson != null) {
+            try {
+                document = new JSONObject(documentJson);
+            } catch (JSONException e) {
+                finish();
+                return;
+            }
+        }
+
+        // Setup the activity
+        setContentView(R.layout.document_edit_activity);
+        if (getSupportActionBar() != null) {
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+            getSupportActionBar().setHomeButtonEnabled(true);
+        }
+        languageSpinner = (Spinner) findViewById(R.id.languageSpinner);
+        tagsEditText = (TagsCompleteTextView) findViewById(R.id.tagsEditText);
+        datePickerView = (DatePickerView) findViewById(R.id.dateEditText);
+        titleEditText = (EditText) findViewById(R.id.titleEditText);
+        descriptionEditText = (EditText) findViewById(R.id.descriptionEditText);
+
+        // Language spinner
+        LanguageAdapter languageAdapter = new LanguageAdapter(this, false);
+        languageSpinner.setAdapter(languageAdapter);
+
+        // Tags auto-complete
+        JSONObject tags = PreferenceUtil.getCachedJson(this, PreferenceUtil.PREF_CACHED_TAGS_JSON);
+        if (tags == null) {
+            finish();
+            return;
+        }
+        JSONArray tagArray = tags.optJSONArray("stats");
+
+        List<JSONObject> tagList = new ArrayList<>();
+        for (int i = 0; i < tagArray.length(); i++) {
+            tagList.add(tagArray.optJSONObject(i));
+        }
+
+        tagsEditText.allowDuplicates(false);
+        tagsEditText.setAdapter(new TagAutoCompleteAdapter(this, 0, tagList));
+
+        // Validation
+        validator = new Validator(this, true);
+        validator.addValidable(titleEditText, new Required());
+
+        // Fill the activity
+        if (document == null) {
+            datePickerView.setDate(new Date());
+        } else {
+            setTitle(R.string.edit_document);
+            titleEditText.setText(document.optString("title"));
+            descriptionEditText.setText(document.optString("description"));
+            datePickerView.setDate(new Date(document.optLong("create_date")));
+            languageSpinner.setSelection(languageAdapter.getItemPosition(document.optString("language")));
+            JSONArray documentTags = document.optJSONArray("tags");
+            for (int i = 0; i < documentTags.length(); i++) {
+                tagsEditText.addObject(documentTags.optJSONObject(i));
+            }
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.document_edit_activity, menu);
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.save:
+                validator.validate();
+                if (!validator.isValidated()) {
+                    return true;
+                }
+
+                // Metadata
+                final String title = titleEditText.getText().toString();
+                final String description = descriptionEditText.getText().toString();
+                LanguageAdapter.Language language = (LanguageAdapter.Language) languageSpinner.getSelectedItem();
+                final String langId = language.getId();
+                final long createDate = datePickerView.getDate().getTime();
+                Set<String> tagIdList = new HashSet<>();
+                for (Object object : tagsEditText.getObjects()) {
+                    JSONObject tag = (JSONObject) object;
+                    tagIdList.add(tag.optString("id"));
+                }
+
+                // Cancellable progress dialog
+                final ProgressDialog progressDialog = ProgressDialog.show(this,
+                        getString(R.string.please_wait),
+                        getString(R.string.document_editing_message), true, true,
+                        new DialogInterface.OnCancelListener() {
+                            @Override
+                            public void onCancel(DialogInterface dialog) {
+                                DocumentResource.cancel(DocumentEditActivity.this);
+                            }
+                        });
+
+                // Server callback
+                JsonHttpResponseHandler callback = new JsonHttpResponseHandler() {
+                    @Override
+                    public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                        // Build a fake document JSON to update the UI
+                        final JSONObject outputDoc = new JSONObject();
+                        try {
+                            if (document == null) {
+                                outputDoc.putOpt("id", response.optString("id"));
+                                outputDoc.putOpt("shared", false);
+                            } else {
+                                outputDoc.putOpt("id", document.optString("id"));
+                                outputDoc.putOpt("shared", document.optBoolean("shared"));
+                            }
+                            outputDoc.putOpt("title", title);
+                            outputDoc.putOpt("description", description);
+                            outputDoc.putOpt("language", langId);
+                            outputDoc.putOpt("create_date", createDate);
+                            JSONArray tags = new JSONArray();
+                            for (Object object : tagsEditText.getObjects()) {
+                                tags.put(object);
+                            }
+                            outputDoc.putOpt("tags", tags);
+                        } catch (JSONException e) {
+                            Log.e(DocumentEditActivity.class.getSimpleName(), "Error building JSON for document", e);
+                        }
+
+                        // Fire the right event
+                        if (document == null) {
+                            EventBus.getDefault().post(new DocumentAddEvent(outputDoc));
+                        } else {
+                            EventBus.getDefault().post(new DocumentEditEvent(outputDoc));
+                        }
+                        setResult(RESULT_OK);
+                        finish();
+                    }
+
+                    @Override
+                    public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+                        Toast.makeText(DocumentEditActivity.this, R.string.error_editing_document, Toast.LENGTH_LONG).show();
+                    }
+
+                    @Override
+                    public void onFinish() {
+                        progressDialog.dismiss();
+                    }
+                };
+
+                // Actual server call
+                if (document == null) {
+                    DocumentResource.add(this, title, description, tagIdList, langId, createDate, callback);
+                } else {
+                    DocumentResource.edit(this, document.optString("id"), title, description, tagIdList, langId, createDate, callback);
+                }
+                return true;
+
+            case android.R.id.home:
+                finish();
+                return true;
+
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/activity/DocumentViewActivity.java

@@ -0,0 +1,614 @@
+package com.sismics.docs.activity;
+
+import android.app.AlertDialog;
+import android.app.DownloadManager;
+import android.app.ProgressDialog;
+import android.content.ClipData;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Environment;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.view.GravityCompat;
+import android.support.v4.view.ViewPager;
+import android.support.v4.widget.DrawerLayout;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.text.TextUtils;
+import android.text.format.DateFormat;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.ListView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.sismics.docs.R;
+import com.sismics.docs.adapter.AclListAdapter;
+import com.sismics.docs.adapter.FilePagerAdapter;
+import com.sismics.docs.event.DocumentDeleteEvent;
+import com.sismics.docs.event.DocumentEditEvent;
+import com.sismics.docs.event.DocumentFullscreenEvent;
+import com.sismics.docs.event.FileAddEvent;
+import com.sismics.docs.event.FileDeleteEvent;
+import com.sismics.docs.fragment.DocShareFragment;
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+import com.sismics.docs.model.application.ApplicationContext;
+import com.sismics.docs.resource.DocumentResource;
+import com.sismics.docs.resource.FileResource;
+import com.sismics.docs.service.FileUploadService;
+import com.sismics.docs.util.PreferenceUtil;
+import com.sismics.docs.util.TagUtil;
+
+import org.apache.http.Header;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+import de.greenrobot.event.EventBus;
+
+/**
+ * Document activity.
+ * 
+ * @author bgamard
+ */
+public class DocumentViewActivity extends AppCompatActivity {
+    /**
+     * Request code of adding file.
+     */
+    public static final int REQUEST_CODE_ADD_FILE = 1;
+
+    /**
+     * Request code of editing document.
+     */
+    public static final int REQUEST_CODE_EDIT_DOCUMENT = 2;
+
+    /**
+     * File view pager.
+     */
+    private ViewPager fileViewPager;
+
+    /**
+     * File pager adapter.
+     */
+    private FilePagerAdapter filePagerAdapter;
+
+    /**
+     * Document displayed.
+     */
+    private JSONObject document;
+
+    /**
+     * Menu.
+     */
+    private Menu menu;
+
+    @Override
+    protected void onCreate(final Bundle args) {
+        super.onCreate(args);
+
+        // Check if logged in
+        if (!ApplicationContext.getInstance().isLoggedIn()) {
+            startActivity(new Intent(this, LoginActivity.class));
+            finish();
+            return;
+        }
+
+        // Handle activity context
+        if (getIntent() == null) {
+            finish();
+            return;
+        }
+
+        // Parse input document
+        String documentJson = getIntent().getStringExtra("document");
+        if (documentJson == null) {
+            finish();
+            return;
+        }
+
+        try {
+            document = new JSONObject(documentJson);
+        } catch (JSONException e) {
+            finish();
+            return;
+        }
+
+        // Setup the activity
+        setContentView(R.layout.document_view_activity);
+        if (getSupportActionBar() != null) {
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+            getSupportActionBar().setHomeButtonEnabled(true);
+        }
+
+        // Fill the view
+        refreshDocument(document);
+
+        EventBus.getDefault().register(this);
+    }
+
+    /**
+     * Refresh the displayed document.
+     *
+     * @param document Document in JSON format
+     */
+    private void refreshDocument(JSONObject document) {
+        this.document = document;
+
+        String title = document.optString("title");
+        String date = DateFormat.getDateFormat(this).format(new Date(document.optLong("create_date")));
+        String description = document.optString("description");
+        boolean shared = document.optBoolean("shared");
+        String language = document.optString("language");
+        JSONArray tags = document.optJSONArray("tags");
+
+        // Setup the title
+        setTitle(title);
+        Toolbar toolbar = (Toolbar) findViewById(R.id.action_bar);
+        TextView titleTextView = (TextView) toolbar.getChildAt(1);
+        if (titleTextView != null) {
+            titleTextView.setEllipsize(TextUtils.TruncateAt.MARQUEE);
+            titleTextView.setMarqueeRepeatLimit(-1);
+            titleTextView.setFocusable(true);
+            titleTextView.setFocusableInTouchMode(true);
+        }
+
+        // Fill the layout
+        TextView createdDateTextView = (TextView) findViewById(R.id.createdDateTextView);
+        createdDateTextView.setText(date);
+
+        TextView descriptionTextView = (TextView) findViewById(R.id.descriptionTextView);
+        if (description == null || description.isEmpty()) {
+            descriptionTextView.setVisibility(View.GONE);
+        } else {
+            descriptionTextView.setVisibility(View.VISIBLE);
+            descriptionTextView.setText(description);
+        }
+
+        TextView tagTextView = (TextView) findViewById(R.id.tagTextView);
+        if (tags.length() == 0) {
+            tagTextView.setVisibility(View.GONE);
+        } else {
+            tagTextView.setVisibility(View.VISIBLE);
+            tagTextView.setText(TagUtil.buildSpannable(tags));
+        }
+
+        ImageView languageImageView = (ImageView) findViewById(R.id.languageImageView);
+        languageImageView.setImageResource(getResources().getIdentifier(language, "drawable", getPackageName()));
+
+        ImageView sharedImageView = (ImageView) findViewById(R.id.sharedImageView);
+        sharedImageView.setVisibility(shared ? View.VISIBLE : View.GONE);
+
+        // Action edit document
+        Button button = (Button) findViewById(R.id.actionEditDocument);
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(DocumentViewActivity.this, DocumentEditActivity.class);
+                intent.putExtra("document", DocumentViewActivity.this.document.toString());
+                startActivityForResult(intent, REQUEST_CODE_EDIT_DOCUMENT);
+            }
+        });
+
+        // Action upload file
+        button = (Button) findViewById(R.id.actionUploadFile);
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(Intent.ACTION_GET_CONTENT)
+                        .setType("*/*")
+                        .putExtra("android.intent.extra.ALLOW_MULTIPLE", true)
+                        .addCategory(Intent.CATEGORY_OPENABLE);
+                startActivityForResult(Intent.createChooser(intent, getText(R.string.upload_from)), REQUEST_CODE_ADD_FILE);
+            }
+        });
+
+        // Action download document
+        button = (Button) findViewById(R.id.actionDownload);
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                downloadZip();
+            }
+        });
+
+        // Action delete document
+        button = (Button) findViewById(R.id.actionDelete);
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                deleteDocument();
+            }
+        });
+
+        // Action share
+        button = (Button) findViewById(R.id.actionSharing);
+        button.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                DialogFragment dialog = DocShareFragment.newInstance(DocumentViewActivity.this.document.optString("id"));
+                dialog.show(getSupportFragmentManager(), "DocShareFragment");
+            }
+        });
+
+        // Grab the attached files
+        updateFiles();
+
+        // Grab the full document (used for ACLs and writable status)
+        updateDocument();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(final Menu menu) {
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.document_view_activity, menu);
+        this.menu = menu;
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.info:
+                DrawerLayout drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
+                if (drawerLayout.isDrawerVisible(GravityCompat.END)) {
+                    drawerLayout.closeDrawer(GravityCompat.END);
+                } else {
+                    drawerLayout.openDrawer(GravityCompat.END);
+                }
+                return true;
+
+            case R.id.download_file:
+                downloadCurrentFile();
+                return true;
+
+            case R.id.delete_file:
+                deleteCurrentFile();
+                return true;
+
+            case android.R.id.home:
+                finish();
+                return true;
+
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+
+    /**
+     * Download the current displayed file.
+     */
+    private void downloadCurrentFile() {
+        if (fileViewPager == null || filePagerAdapter == null) return;
+
+        JSONObject file = filePagerAdapter.getObjectAt(fileViewPager.getCurrentItem());
+        if (file == null) return;
+
+        // Build the destination filename
+        String mimeType = file.optString("mimetype");
+        int position = fileViewPager.getCurrentItem();
+        if (mimeType == null || !mimeType.contains("/")) return;
+        String ext = mimeType.split("/")[1];
+        String fileName = getTitle() + "-" + position + "." + ext;
+
+        // Download the file
+        String fileUrl = PreferenceUtil.getServerUrl(this) + "/api/file/" + file.optString("id") + "/data";
+        downloadFile(fileUrl, fileName, getTitle().toString(), getString(R.string.downloading_file, position + 1));
+    }
+
+    private void deleteCurrentFile() {
+        if (fileViewPager == null || filePagerAdapter == null) return;
+
+        final JSONObject file = filePagerAdapter.getObjectAt(fileViewPager.getCurrentItem());
+        if (file == null) return;
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+
+        builder.setTitle(R.string.delete_file_title)
+                .setMessage(R.string.delete_file_message)
+                .setCancelable(true)
+                .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        // Dismiss the confirmation dialog
+                        dialog.dismiss();
+
+                        // Show a progress dialog while deleting
+                        final ProgressDialog progressDialog = ProgressDialog.show(DocumentViewActivity.this,
+                                getString(R.string.please_wait),
+                                getString(R.string.file_deleting_message), true, true,
+                                new DialogInterface.OnCancelListener() {
+                                    @Override
+                                    public void onCancel(DialogInterface dialog) {
+                                        FileResource.cancel(DocumentViewActivity.this);
+                                    }
+                                });
+
+                        // Actual delete server call
+                        final String fileId = file.optString("id");
+                        FileResource.delete(DocumentViewActivity.this, fileId, new JsonHttpResponseHandler() {
+                            @Override
+                            public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                                EventBus.getDefault().post(new FileDeleteEvent(fileId));
+                            }
+
+                            @Override
+                            public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+                                Toast.makeText(DocumentViewActivity.this, R.string.file_delete_failure, Toast.LENGTH_LONG).show();
+                            }
+
+                            @Override
+                            public void onFinish() {
+                                progressDialog.dismiss();
+                            }
+                        });
+                    }
+                })
+                .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.dismiss();
+                    }
+                }).create().show();
+    }
+
+    /**
+     * Download the document (all files zipped).
+     */
+    private void downloadZip() {
+        if (document == null) return;
+        String url = PreferenceUtil.getServerUrl(this) + "/api/file/zip?id=" + document.optString("id");
+        String fileName = getTitle() + ".zip";
+        downloadFile(url, fileName, getTitle().toString(), getString(R.string.downloading_document));
+    }
+
+    /**
+     * Download a file using Android download manager.
+     *
+     * @param url URL to download
+     * @param fileName Destination file name
+     * @param title Notification title
+     * @param description Notification description
+     */
+    private void downloadFile(String url, String fileName, String title, String description) {
+        String authToken = PreferenceUtil.getAuthToken(this);
+        DownloadManager downloadManager = (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
+        DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));
+        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
+        request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);
+        request.addRequestHeader("Cookie", "auth_token=" + authToken);
+        request.setTitle(title);
+        request.setDescription(description);
+        downloadManager.enqueue(request);
+    }
+
+    /**
+     * Delete the current document.
+     */
+    private void deleteDocument() {
+        if (document == null) return;
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+
+        builder.setTitle(R.string.delete_document_title)
+                .setMessage(R.string.delete_document_message)
+                .setCancelable(true)
+                .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        // Dismiss the confirmation dialog
+                        dialog.dismiss();
+
+                        // Show a progress dialog while deleting
+                        final ProgressDialog progressDialog = ProgressDialog.show(DocumentViewActivity.this,
+                                getString(R.string.please_wait),
+                                getString(R.string.document_deleting_message), true, true,
+                                new DialogInterface.OnCancelListener() {
+                                    @Override
+                                    public void onCancel(DialogInterface dialog) {
+                                        DocumentResource.cancel(DocumentViewActivity.this);
+                                    }
+                                });
+
+                        // Actual delete server call
+                        final String documentId = document.optString("id");
+                        DocumentResource.delete(DocumentViewActivity.this, documentId, new JsonHttpResponseHandler() {
+                            @Override
+                            public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                                EventBus.getDefault().post(new DocumentDeleteEvent(documentId));
+                            }
+
+                            @Override
+                            public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+                                Toast.makeText(DocumentViewActivity.this, R.string.document_delete_failure, Toast.LENGTH_LONG).show();
+                            }
+
+                            @Override
+                            public void onFinish() {
+                                progressDialog.dismiss();
+                            }
+                        });
+                    }
+                })
+                .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+                        dialog.dismiss();
+                    }
+                }).create().show();
+
+    }
+
+    /**
+     * A document fullscreen event has been fired.
+     *
+     * @param event Document fullscreen event
+     */
+    public void onEventMainThread(DocumentFullscreenEvent event) {
+        findViewById(R.id.detailLayout).setVisibility(event.isFullscreen() ? View.GONE : View.VISIBLE);
+    }
+
+    /**
+     * A document edit event has been fired.
+     *
+     * @param event Document edit event
+     */
+    public void onEventMainThread(DocumentEditEvent event) {
+        if (document == null) return;
+        if (event.getDocument().optString("id").equals(document.optString("id"))) {
+            // The current document has been modified, refresh it
+            refreshDocument(event.getDocument());
+        }
+    }
+
+    /**
+     * A document delete event has been fired.
+     *
+     * @param event Document delete event
+     */
+    public void onEventMainThread(DocumentDeleteEvent event) {
+        if (document == null) return;
+        if (event.getDocumentId().equals(document.optString("id"))) {
+            // The current document has been deleted, close this activity
+            finish();
+        }
+    }
+
+    /**
+     * A file delete event has been fired.
+     *
+     * @param event File delete event
+     */
+    public void onEventMainThread(FileDeleteEvent event) {
+        if (filePagerAdapter == null) return;
+        filePagerAdapter.remove(event.getFileId());
+        final TextView filesEmptyView = (TextView) findViewById(R.id.filesEmptyView);
+        if (filePagerAdapter.getCount() == 0) filesEmptyView.setVisibility(View.VISIBLE);
+    }
+
+    /**
+     * A file add event has been fired.
+     *
+     * @param event File add event
+     */
+    public void onEventMainThread(FileAddEvent event) {
+        if (document == null) return;
+        if (document.optString("id").equals(event.getDocumentId())) {
+            updateFiles();
+        }
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (document == null) return;
+
+        if (requestCode == REQUEST_CODE_ADD_FILE && resultCode == RESULT_OK) {
+            List<Uri> uriList = new ArrayList<>();
+            // Single file upload
+            if (data.getData() != null) {
+                uriList.add(data.getData());
+            }
+
+            // Handle multiple file upload
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
+                ClipData clipData = data.getClipData();
+                if (clipData != null) {
+                    for (int i = 0; i < clipData.getItemCount(); ++i) {
+                        Uri uri = clipData.getItemAt(i).getUri();
+                        if (uri != null) {
+                            uriList.add(uri);
+                        }
+                    }
+                }
+            }
+
+            // Upload all files
+            for (Uri uri : uriList) {
+                Intent intent = new Intent(this, FileUploadService.class)
+                        .putExtra(FileUploadService.PARAM_URI, uri)
+                        .putExtra(FileUploadService.PARAM_DOCUMENT_ID, document.optString("id"));
+                startService(intent);
+            }
+        }
+    }
+
+    /**
+     * Update the document model.
+     */
+    private void updateDocument() {
+        if (document == null) return;
+
+        // Silently get the document to know if it is writable by the current user
+        // If this call fails or is slow and the document is read-only,
+        // write actions will be allowed and will fail
+        DocumentResource.get(this, document.optString("id"), new JsonHttpResponseHandler() {
+            @Override
+            public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                document = response;
+                boolean writable = document.optBoolean("writable");
+
+                if (menu != null) {
+                    menu.findItem(R.id.delete_file).setVisible(writable);
+                }
+
+                findViewById(R.id.actionEditDocument).setVisibility(writable ? View.VISIBLE : View.INVISIBLE);
+                findViewById(R.id.actionUploadFile).setVisibility(writable ? View.VISIBLE : View.INVISIBLE);
+                findViewById(R.id.actionSharing).setVisibility(writable ? View.VISIBLE : View.INVISIBLE);
+                findViewById(R.id.actionDelete).setVisibility(writable ? View.VISIBLE : View.INVISIBLE);
+
+                // ACLs
+                ListView aclListView = (ListView) findViewById(R.id.aclListView);
+                aclListView.setAdapter(new AclListAdapter(document.optJSONArray("acls")));
+            }
+        });
+    }
+
+    /**
+     * Refresh files list.
+     */
+    private void updateFiles() {
+        if (document == null) return;
+
+        final View progressBar = findViewById(R.id.progressBar);
+        final TextView filesEmptyView = (TextView) findViewById(R.id.filesEmptyView);
+        fileViewPager = (ViewPager) findViewById(R.id.fileViewPager);
+        fileViewPager.setOffscreenPageLimit(1);
+        fileViewPager.setAdapter(null);
+        progressBar.setVisibility(View.VISIBLE);
+        filesEmptyView.setVisibility(View.GONE);
+
+        FileResource.list(this, document.optString("id"), new JsonHttpResponseHandler() {
+            @Override
+            public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                JSONArray files = response.optJSONArray("files");
+                filePagerAdapter = new FilePagerAdapter(DocumentViewActivity.this, files);
+                fileViewPager.setAdapter(filePagerAdapter);
+
+                progressBar.setVisibility(View.GONE);
+                if (files.length() == 0) filesEmptyView.setVisibility(View.VISIBLE);
+            }
+
+            @Override
+            public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+                filesEmptyView.setText(R.string.error_loading_files);
+                progressBar.setVisibility(View.GONE);
+                filesEmptyView.setVisibility(View.VISIBLE);
+            }
+        });
+    }
+
+    @Override
+    protected void onDestroy() {
+        EventBus.getDefault().unregister(this);
+        super.onDestroy();
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/activity/LoginActivity.java

@@ -0,0 +1,184 @@
+package com.sismics.docs.activity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.support.v7.app.AppCompatActivity;
+import android.text.Html;
+import android.text.method.LinkMovementMethod;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.EditText;
+
+import com.androidquery.AQuery;
+import com.sismics.docs.R;
+import com.sismics.docs.listener.CallbackListener;
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+import com.sismics.docs.model.application.ApplicationContext;
+import com.sismics.docs.resource.UserResource;
+import com.sismics.docs.ui.form.Validator;
+import com.sismics.docs.ui.form.validator.Required;
+import com.sismics.docs.util.DialogUtil;
+import com.sismics.docs.util.PreferenceUtil;
+
+import org.apache.http.Header;
+import org.json.JSONObject;
+
+/**
+ * Login activity.
+ * 
+ * @author bgamard
+ */
+public class LoginActivity extends AppCompatActivity {
+
+    /**
+     * User interface.
+     */
+    private View loginForm;
+    private View progressBar;
+    
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.login_activity);
+        
+        AQuery aq = new AQuery(this);
+        aq.id(R.id.loginExplain)
+            .text(Html.fromHtml(getString(R.string.login_explain)))
+            .getTextView()
+            .setMovementMethod(LinkMovementMethod.getInstance());
+        
+        final EditText txtServer = aq.id(R.id.txtServer).getEditText();
+        final EditText txtUsername = aq.id(R.id.txtUsername).getEditText();
+        final EditText txtPassword = aq.id(R.id.txtPassword).getEditText();
+        final Button btnConnect = aq.id(R.id.btnConnect).getButton();
+        loginForm = aq.id(R.id.loginForm).getView();
+        progressBar = aq.id(R.id.progressBar).getView();
+        
+        PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
+        
+        loginForm.setVisibility(View.GONE);
+        progressBar.setVisibility(View.VISIBLE);
+        
+        // Form validation
+        final Validator validator = new Validator(this, false);
+        validator.addValidable(txtServer, new Required());
+        validator.addValidable(txtUsername, new Required());
+        validator.addValidable(txtPassword, new Required());
+        validator.setOnValidationChanged(new CallbackListener() {
+            @Override
+            public void onComplete() {
+                btnConnect.setEnabled(validator.isValidated());
+            }
+        });
+
+        // Preset saved server URL
+        String serverUrl = PreferenceUtil.getStringPreference(this, PreferenceUtil.PREF_SERVER_URL);
+        if (serverUrl != null) {
+            txtServer.setText(serverUrl);
+        }
+        
+        tryConnect();
+        
+        // Login button
+        btnConnect.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                loginForm.setVisibility(View.GONE);
+                progressBar.setVisibility(View.VISIBLE);
+                
+                PreferenceUtil.setServerUrl(LoginActivity.this, txtServer.getText().toString());
+                
+                try {
+                    UserResource.login(getApplicationContext(), txtUsername.getText().toString(), txtPassword.getText().toString(), new JsonHttpResponseHandler() {
+                        @Override
+                        public void onSuccess(int statusCode, Header[] headers, JSONObject json) {
+                            // Empty previous user caches
+                            PreferenceUtil.resetUserCache(getApplicationContext());
+
+                            // Getting user info and redirecting to main activity
+                            ApplicationContext.getInstance().fetchUserInfo(LoginActivity.this, new CallbackListener() {
+                                @Override
+                                public void onComplete() {
+                                    Intent intent = new Intent(LoginActivity.this, MainActivity.class);
+                                    startActivity(intent);
+                                    finish();
+                                }
+                            });
+                        }
+
+                        @Override
+                        public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+                            loginForm.setVisibility(View.VISIBLE);
+                            progressBar.setVisibility(View.GONE);
+
+                            if (responseBytes != null && new String(responseBytes).contains("\"ForbiddenError\"")) {
+                                DialogUtil.showOkDialog(LoginActivity.this, R.string.login_fail_title, R.string.login_fail);
+                            } else {
+                                DialogUtil.showOkDialog(LoginActivity.this, R.string.network_error_title, R.string.network_error);
+                            }
+                        }
+                    });
+                } catch (IllegalArgumentException e) {
+                    // Given URL is not valid
+                    loginForm.setVisibility(View.VISIBLE);
+                    progressBar.setVisibility(View.GONE);
+                    PreferenceUtil.setServerUrl(LoginActivity.this, null);
+                    DialogUtil.showOkDialog(LoginActivity.this, R.string.invalid_url_title, R.string.invalid_url);
+                }
+            }
+        });
+    }
+
+    /**
+     * Try to get a "session".
+     */
+    private void tryConnect() {
+        String serverUrl = PreferenceUtil.getStringPreference(this, PreferenceUtil.PREF_SERVER_URL);
+        if (serverUrl == null) {
+            // Server URL is empty
+            loginForm.setVisibility(View.VISIBLE);
+            progressBar.setVisibility(View.GONE);
+            return;
+        }
+        
+        if (ApplicationContext.getInstance().isLoggedIn()) {
+            // If we are already connected (from cache data)
+            // redirecting to main activity
+            Intent intent = new Intent(LoginActivity.this, MainActivity.class);
+            startActivity(intent);
+            finish();
+        } else {
+            // Trying to get user data
+            UserResource.info(getApplicationContext(), new JsonHttpResponseHandler() {
+                @Override
+                public void onSuccess(int statusCode, Header[] headers, final JSONObject json) {
+                    if (json.optBoolean("anonymous", true)) {
+                        loginForm.setVisibility(View.VISIBLE);
+                        return;
+                    }
+                    
+                    // Save user data in application context
+                    ApplicationContext.getInstance().setUserInfo(getApplicationContext(), json);
+                    
+                    // Redirecting to main activity
+                    Intent intent = new Intent(LoginActivity.this, MainActivity.class);
+                    startActivity(intent);
+                    finish();
+                }
+
+                @Override
+                public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+                    DialogUtil.showOkDialog(LoginActivity.this, R.string.network_error_title, R.string.network_error);
+                    loginForm.setVisibility(View.VISIBLE);
+                }
+                
+                @Override
+                public void onFinish() {
+                    progressBar.setVisibility(View.GONE);
+                }
+            });
+        }
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/activity/MainActivity.java

@@ -0,0 +1,283 @@
+package com.sismics.docs.activity;
+
+import android.app.SearchManager;
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.Configuration;
+import android.os.Bundle;
+import android.provider.SearchRecentSuggestions;
+import android.support.v4.widget.DrawerLayout;
+import android.support.v7.app.ActionBarDrawerToggle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.ListView;
+import android.widget.SearchView;
+import android.widget.TextView;
+
+import com.androidquery.util.AQUtility;
+import com.sismics.docs.R;
+import com.sismics.docs.adapter.TagListAdapter;
+import com.sismics.docs.event.AdvancedSearchEvent;
+import com.sismics.docs.event.SearchEvent;
+import com.sismics.docs.fragment.SearchFragment;
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+import com.sismics.docs.model.application.ApplicationContext;
+import com.sismics.docs.provider.RecentSuggestionsProvider;
+import com.sismics.docs.resource.TagResource;
+import com.sismics.docs.resource.UserResource;
+import com.sismics.docs.util.PreferenceUtil;
+
+import org.apache.http.Header;
+import org.json.JSONObject;
+
+import de.greenrobot.event.EventBus;
+
+/**
+ * Main activity.
+ * 
+ * @author bgamard
+ */
+
+public class MainActivity extends AppCompatActivity {
+    
+    private ActionBarDrawerToggle drawerToggle;
+    private MenuItem searchItem;
+    private DrawerLayout drawerLayout;
+
+    @Override
+    protected void onCreate(final Bundle args) {
+        super.onCreate(args);
+
+        // Check if logged in
+        if (!ApplicationContext.getInstance().isLoggedIn()) {
+            startActivity(new Intent(this, LoginActivity.class));
+            finish();
+            return;
+        }
+
+        // Setup the activity
+        setContentView(R.layout.main_activity);
+
+        // Enable ActionBar app icon to behave as action to toggle nav drawer
+        drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
+        if (getSupportActionBar() != null) {
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+            getSupportActionBar().setHomeButtonEnabled(true);
+        }
+
+        // ActionBarDrawerToggle ties together the the proper interactions
+        // between the sliding drawer and the action bar app icon
+        drawerToggle = new ActionBarDrawerToggle(this, drawerLayout,
+                R.string.drawer_open, R.string.drawer_close);
+        drawerLayout.setDrawerListener(drawerToggle);
+
+        // Fill the drawer user info
+        JSONObject userInfo = ApplicationContext.getInstance().getUserInfo();
+        TextView usernameTextView = (TextView) findViewById(R.id.usernameTextView);
+        usernameTextView.setText(userInfo.optString("username"));
+        TextView emailTextView = (TextView) findViewById(R.id.emailTextView);
+        emailTextView.setText(userInfo.optString("email"));
+
+        // Get tag list to fill the drawer
+        final ListView tagListView = (ListView) findViewById(R.id.tagListView);
+        final View tagProgressView = findViewById(R.id.tagProgressView);
+        final TextView tagEmptyView = (TextView) findViewById(R.id.tagEmptyView);
+        tagListView.setEmptyView(tagProgressView);
+        JSONObject cacheTags = PreferenceUtil.getCachedJson(this, PreferenceUtil.PREF_CACHED_TAGS_JSON);
+        if (cacheTags != null) {
+            tagListView.setAdapter(new TagListAdapter(cacheTags.optJSONArray("stats")));
+        }
+        TagResource.stats(this, new JsonHttpResponseHandler() {
+            @Override
+            public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                PreferenceUtil.setCachedJson(MainActivity.this, PreferenceUtil.PREF_CACHED_TAGS_JSON, response);
+                tagListView.setAdapter(new TagListAdapter(response.optJSONArray("stats")));
+                tagProgressView.setVisibility(View.GONE);
+                tagListView.setEmptyView(tagEmptyView);
+            }
+
+            @Override
+            public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+                tagEmptyView.setText(R.string.error_loading_tags);
+                tagProgressView.setVisibility(View.GONE);
+                tagListView.setEmptyView(tagEmptyView);
+            }
+        });
+
+        // Click on a tag
+        tagListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+                TagListAdapter adapter = (TagListAdapter) tagListView.getAdapter();
+                if (adapter == null) return;
+                JSONObject tag = adapter.getItem(position);
+                if (tag == null) return;
+                searchQuery("tag:" + tag.optString("name"));
+            }
+        });
+
+        // Click on All documents
+        View allDocumentsLayout = findViewById(R.id.allDocumentsLayout);
+        allDocumentsLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                searchQuery(null);
+            }
+        });
+
+        // Click on Shared documents
+        View sharedDocumentsLayout = findViewById(R.id.sharedDocumentsLayout);
+        sharedDocumentsLayout.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                searchQuery("shared:yes");
+            }
+        });
+
+        handleIntent(getIntent());
+
+        EventBus.getDefault().register(this);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.logout:
+                UserResource.logout(getApplicationContext(), new JsonHttpResponseHandler() {
+                    @Override
+                    public void onFinish() {
+                        // Force logout in all cases, so the user is not stuck in case of network error
+                        ApplicationContext.getInstance().setUserInfo(getApplicationContext(), null);
+                        startActivity(new Intent(MainActivity.this, LoginActivity.class));
+                        finish();
+                    }
+                });
+                return true;
+
+            case R.id.advanced_search:
+                SearchFragment dialog = SearchFragment.newInstance();
+                dialog.show(getSupportFragmentManager(), "SearchFragment");
+                return true;
+
+            case R.id.settings:
+                startActivity(new Intent(MainActivity.this, SettingsActivity.class));
+                return true;
+
+            case android.R.id.home:
+                // The action bar home/up action should open or close the drawer.
+                // ActionBarDrawerToggle will take care of this.
+                if (drawerToggle.onOptionsItemSelected(item)) {
+                    return true;
+                }
+                return true;
+
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+
+    @Override
+    protected void onPostCreate(Bundle savedInstanceState) {
+        super.onPostCreate(savedInstanceState);
+        // Sync the toggle state after onRestoreInstanceState has occurred.
+        drawerToggle.syncState();
+    }
+
+    @Override
+    public void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        // Pass any configuration change to the drawer toggle
+        drawerToggle.onConfigurationChanged(newConfig);
+    }
+    
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.main_activity, menu);
+
+        // Get the SearchView and set the searchable configuration
+        SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
+        searchItem = menu.findItem(R.id.action_search);
+        SearchView searchView = (SearchView) searchItem.getActionView();
+        searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
+
+        searchView.setOnCloseListener(new SearchView.OnCloseListener() {
+            @Override
+            public boolean onClose() {
+                EventBus.getDefault().post(new SearchEvent(null));
+                return false;
+            }
+        });
+
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    protected void onNewIntent(Intent intent) {
+        setIntent(intent);
+        handleIntent(intent);
+    }
+
+    /**
+     * Handle the incoming intent.
+     *
+     * @param intent Intent
+     */
+    private void handleIntent(Intent intent) {
+        // Intent is consumed
+        setIntent(null);
+
+        if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
+            // Perform a search query
+            String query = intent.getStringExtra(SearchManager.QUERY);
+
+            // Collapse the SearchView
+            if (searchItem != null) {
+                searchItem.collapseActionView();
+            }
+
+            // Save the query
+            SearchRecentSuggestions suggestions = new SearchRecentSuggestions(this, RecentSuggestionsProvider.AUTHORITY, RecentSuggestionsProvider.MODE);
+            suggestions.saveRecentQuery(query, null);
+
+            EventBus.getDefault().post(new SearchEvent(query));
+        }
+    }
+
+    /**
+     * Perform a search query.
+     *
+     * @param query Query
+     */
+    private void searchQuery(String query) {
+        SearchView searchView = (SearchView) searchItem.getActionView();
+        searchView.setQuery(query, true);
+        searchView.setIconified(query == null);
+        searchView.clearFocus();
+        drawerLayout.closeDrawers();
+    }
+
+    /**
+     * An advanced search event has been fired.
+     *
+     * @param event Advanced search event
+     */
+    public void onEventMainThread(AdvancedSearchEvent event) {
+        searchQuery(event.getQuery());
+    }
+
+    @Override
+    protected void onDestroy() {
+        EventBus.getDefault().unregister(this);
+        if(isTaskRoot()) {
+            int cacheSizeMb = PreferenceUtil.getIntegerPreference(this, PreferenceUtil.PREF_CACHE_SIZE, 10);
+            AQUtility.cleanCacheAsync(this, cacheSizeMb * 1000000, cacheSizeMb * 1000000);
+        }
+        super.onDestroy();
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/activity/SettingsActivity.java

@@ -0,0 +1,41 @@
+package com.sismics.docs.activity;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.MenuItem;
+
+import com.sismics.docs.fragment.SettingsFragment;
+
+/**
+ * Settings activity.
+ *
+ * @author bgamard.
+ */
+public class SettingsActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        if (getSupportActionBar() != null) {
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+            getSupportActionBar().setHomeButtonEnabled(true);
+        }
+
+        // Display the fragment as the main content.
+        getFragmentManager().beginTransaction()
+                .replace(android.R.id.content, new SettingsFragment())
+                .commit();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                finish();
+                return true;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/adapter/AclListAdapter.java

@@ -0,0 +1,77 @@
+package com.sismics.docs.adapter;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.TextView;
+
+import com.sismics.docs.R;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * ACL list adapter.
+ *
+ * @author bgamard.
+ */
+public class AclListAdapter extends BaseAdapter {
+    /**
+     * Shares.
+     */
+    private List<JSONObject> acls;
+
+    /**
+     * ACL list adapter.
+     *
+     * @param acls ACLs
+     */
+    public AclListAdapter(JSONArray acls) {
+        this.acls = new ArrayList<>();
+
+        // Extract only share ACLs
+        for (int i = 0; i < acls.length(); i++) {
+            JSONObject acl = acls.optJSONObject(i);
+            this.acls.add(acl);
+        }
+    }
+
+    @Override
+    public int getCount() {
+        return acls.size();
+    }
+
+    @Override
+    public JSONObject getItem(int position) {
+        return acls.get(position);
+    }
+
+    @Override
+    public long getItemId(int position) {
+        return getItem(position).optString("id").hashCode();
+    }
+
+    @Override
+    public View getView(int position, View view, final ViewGroup parent) {
+        if (view == null) {
+            LayoutInflater vi = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+            view = vi.inflate(R.layout.acl_list_item, parent, false);
+        }
+
+        // Fill the view
+        final JSONObject acl = getItem(position);
+        TextView typeTextView = (TextView) view.findViewById(R.id.typeTextView);
+        typeTextView.setText(acl.optString("type"));
+        TextView nameTextView = (TextView) view.findViewById(R.id.nameTextView);
+        nameTextView.setText(acl.optString("name"));
+        TextView permTextView = (TextView) view.findViewById(R.id.permTextView);
+        permTextView.setText(acl.optString("perm"));
+
+        return view;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/adapter/DocListAdapter.java

@@ -0,0 +1,158 @@
+package com.sismics.docs.adapter;
+
+import android.support.v7.widget.RecyclerView;
+import android.text.format.DateFormat;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.sismics.docs.R;
+import com.sismics.docs.util.TagUtil;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * Adapter of documents.
+ *
+ * @author bgamard
+ */
+public class DocListAdapter extends RecyclerView.Adapter<DocListAdapter.ViewHolder> {
+    /**
+     * Displayed documents.
+     */
+    private List<JSONObject> documents;
+
+    /**
+     * ViewHolder.
+     */
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        public TextView titleTextView;
+        public TextView subtitleTextView;
+        public TextView dateTextView;
+        public ImageView sharedImageView;
+
+        public ViewHolder(View v) {
+            super(v);
+            titleTextView = (TextView) v.findViewById(R.id.titleTextView);
+            subtitleTextView = (TextView) v.findViewById(R.id.subtitleTextView);
+            dateTextView = (TextView) v.findViewById(R.id.dateTextView);
+            sharedImageView = (ImageView) v.findViewById(R.id.sharedImageView);
+        }
+    }
+
+    /**
+     * Default constructor.
+     */
+    public DocListAdapter() {
+        // Nothing
+    }
+
+    @Override
+    public DocListAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View v = LayoutInflater.from(parent.getContext()).
+                inflate(R.layout.doc_list_item, parent, false);
+
+        return new ViewHolder(v);
+    }
+
+    @Override
+    public void onBindViewHolder(ViewHolder holder, int position) {
+        JSONObject document = documents.get(position);
+
+        holder.titleTextView.setText(document.optString("title"));
+
+        JSONArray tags = document.optJSONArray("tags");
+        holder.subtitleTextView.setText(TagUtil.buildSpannable(tags));
+
+        String date = DateFormat.getDateFormat(holder.dateTextView.getContext()).format(new Date(document.optLong("create_date")));
+        holder.dateTextView.setText(date);
+
+        holder.sharedImageView.setVisibility(document.optBoolean("shared") ? View.VISIBLE : View.GONE);
+    }
+
+    @Override
+    public int getItemCount() {
+        if (documents == null) {
+            return 0;
+        }
+        return documents.size();
+    }
+
+    /**
+     * Return an item at a given position.
+     *
+     * @param position Item position
+     * @return Item
+     */
+    public JSONObject getItemAt(int position) {
+        if (documents == null) {
+            return null;
+        }
+
+        return documents.get(position);
+    }
+
+    /**
+     * Clear the documents.
+     */
+    public void clearDocuments() {
+        documents = new ArrayList<>();
+        notifyDataSetChanged();
+    }
+
+    /**
+     * Add documents to display.
+     *
+     * @param documents Documents
+     */
+    public void addDocuments(JSONArray documents) {
+        if (this.documents == null) {
+            this.documents = new ArrayList<>();
+        }
+
+        for (int i = 0; i < documents.length(); i++) {
+            this.documents.add(documents.optJSONObject(i));
+        }
+
+        notifyDataSetChanged();
+    }
+
+    /**
+     * Update a document.
+     *
+     * @param document Document
+     */
+    public void updateDocument(JSONObject document) {
+        for (int i = 0; i < documents.size(); i++) {
+            JSONObject currentDoc = documents.get(i);
+            if (currentDoc.optString("id").equals(document.optString("id"))) {
+                // This document has been modified
+                documents.set(i, document);
+                notifyDataSetChanged();
+            }
+        }
+    }
+
+    /**
+     * Delete a document.
+     *
+     * @param documentId Document ID
+     */
+    public void deleteDocument(String documentId) {
+        for (int i = 0; i < documents.size(); i++) {
+            JSONObject currentDoc = documents.get(i);
+            if (currentDoc.optString("id").equals(documentId)) {
+                // This document has been deleted
+                documents.remove(i);
+                notifyDataSetChanged();
+            }
+        }
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/adapter/FilePagerAdapter.java

@@ -0,0 +1,140 @@
+package com.sismics.docs.adapter;
+
+import android.content.Context;
+import android.support.v4.view.PagerAdapter;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ProgressBar;
+
+import com.androidquery.AQuery;
+import com.androidquery.callback.BitmapAjaxCallback;
+import com.sismics.docs.R;
+import com.sismics.docs.util.PreferenceUtil;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import it.sephiroth.android.library.imagezoom.ImageViewTouch;
+import it.sephiroth.android.library.imagezoom.ImageViewTouchBase;
+
+/**
+ * @author bgamard.
+ */
+public class FilePagerAdapter extends PagerAdapter {
+    /**
+     * Files list.
+     */
+    private List<JSONObject> files;
+
+    /**
+     * AQuery.
+     */
+    private AQuery aq;
+
+    /**
+     * Context.
+     */
+    private Context context;
+
+    /**
+     * Auth token used to download files.
+     */
+    private String authToken;
+
+    /**
+     * File pager adapter.
+     *
+     * @param context Context
+     * @param filesArray Files
+     */
+    public FilePagerAdapter(Context context, JSONArray filesArray) {
+        this.files = new ArrayList<>();
+        for (int i = 0; i < filesArray.length(); i++) {
+            files.add(filesArray.optJSONObject(i));
+        }
+        this.context = context;
+        this.authToken = PreferenceUtil.getAuthToken(context);
+        aq = new AQuery(context);
+    }
+
+    @Override
+    public Object instantiateItem(ViewGroup container, int position) {
+        View view = LayoutInflater.from(container.getContext()).inflate(R.layout.file_viewpager_item, container, false);
+
+        ImageViewTouch fileImageView = (ImageViewTouch) view.findViewById(R.id.fileImageView);
+        ProgressBar progressBar = (ProgressBar) view.findViewById(R.id.fileProgressBar);
+        JSONObject file = files.get(position);
+        String fileUrl = PreferenceUtil.getServerUrl(context) + "/api/file/" + file.optString("id") + "/data?size=web";
+        aq.id(fileImageView)
+                .image(new BitmapAjaxCallback()
+                        .url(fileUrl)
+                        .progress(progressBar)
+                        .animation(AQuery.FADE_IN_NETWORK)
+                        .cookie("auth_token", authToken));
+
+        fileImageView.setDisplayType(ImageViewTouchBase.DisplayType.FIT_TO_SCREEN);
+
+        container.addView(view, 0);
+
+        return view;
+    }
+
+    @Override
+    public void destroyItem(ViewGroup container, int position, Object object) {
+        container.removeView((View) object);
+    }
+
+    @Override
+    public int getCount() {
+        if (files == null) {
+            return 0;
+        }
+
+        return files.size();
+    }
+
+    @Override
+    public boolean isViewFromObject(View view, Object object) {
+        return view == object;
+    }
+
+    /**
+     * Return the object at a given position.
+     *
+     * @param position Position
+     * @return Object
+     */
+    public JSONObject getObjectAt(int position) {
+        if (files == null) {
+            return null;
+        }
+
+        return files.get(position);
+    }
+
+    /**
+     * Remove a file.
+     *
+     * @param fileId File ID
+     */
+    public void remove(String fileId) {
+        if (files == null || fileId == null) return;
+
+        for (JSONObject file : files) {
+            if (fileId.equals(file.optString("id"))) {
+                files.remove(file);
+                notifyDataSetChanged();
+                break;
+            }
+        }
+    }
+
+    @Override
+    public int getItemPosition(Object object) {
+        return POSITION_NONE;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/adapter/LanguageAdapter.java

@@ -0,0 +1,114 @@
+package com.sismics.docs.adapter;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.TextView;
+
+import com.sismics.docs.R;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Languages adapter.
+ *
+ * @author bgamard.
+ */
+public class LanguageAdapter extends BaseAdapter {
+    /**
+     * Context.
+     */
+    private Context context;
+
+    private List<Language> languageList;
+
+    public LanguageAdapter(Context context, boolean noValue) {
+        this.context = context;
+        this.languageList = new ArrayList<>();
+        if (noValue) {
+            languageList.add(new Language("", R.string.all_languages, 0));
+        }
+        languageList.add(new Language("fra", R.string.language_french, R.drawable.fra));
+        languageList.add(new Language("eng", R.string.language_english, R.drawable.eng));
+        languageList.add(new Language("jpn", R.string.language_japanese, R.drawable.jpn));
+    }
+
+    @Override
+    public int getCount() {
+        return languageList.size();
+    }
+
+    @Override
+    public Language getItem(int position) {
+        if (position >= languageList.size()) {
+            return null;
+        }
+        return languageList.get(position);
+    }
+
+    @Override
+    public long getItemId(int position) {
+        return getItem(position).id.hashCode();
+    }
+
+    @Override
+    public View getView(int position, View view, ViewGroup parent) {
+        if (view == null) {
+            LayoutInflater vi = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+            view = vi.inflate(R.layout.language_list_item, parent, false);
+        }
+
+        // Fill the view
+        Language language = getItem(position);
+        TextView languageTextView = (TextView) view.findViewById(R.id.languageTextView);
+        languageTextView.setText(context.getText(language.name));
+        languageTextView.setCompoundDrawablesWithIntrinsicBounds(language.drawable, 0, 0, 0);
+
+        return view;
+    }
+
+    /**
+     * Return the position of a language.
+     * 0 if it doesn't exists.
+     *
+     * @param languageId Language ID
+     * @return Position
+     */
+    public int getItemPosition(String languageId) {
+        for (Language language : languageList) {
+            if (language.id.equals(languageId)) {
+                return languageList.indexOf(language);
+            }
+        }
+        return 0;
+    }
+
+    /**
+     * A language.
+     */
+    public static class Language {
+        private String id;
+        private int name;
+        private int drawable;
+
+        /**
+         * A language.
+         *
+         * @param id Language ID
+         * @param name Language name
+         * @param drawable Language drawable
+         */
+        public Language(String id, int name, int drawable) {
+            this.id = id;
+            this.name = name;
+            this.drawable = drawable;
+        }
+
+        public String getId() {
+            return id;
+        }
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/adapter/ShareListAdapter.java

@@ -0,0 +1,99 @@
+package com.sismics.docs.adapter;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageButton;
+import android.widget.TextView;
+
+import com.sismics.docs.R;
+import com.sismics.docs.event.ShareDeleteEvent;
+import com.sismics.docs.event.ShareSendEvent;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import de.greenrobot.event.EventBus;
+
+/**
+ * Share list adapter.
+ *
+ * @author bgamard.
+ */
+public class ShareListAdapter extends BaseAdapter {
+    /**
+     * Shares.
+     */
+    private List<JSONObject> acls;
+
+    /**
+     * Share list adapter.
+     *
+     * @param acls ACLs
+     */
+    public ShareListAdapter(JSONArray acls) {
+        this.acls = new ArrayList<>();
+
+        // Extract only share ACLs
+        for (int i = 0; i < acls.length(); i++) {
+            JSONObject acl = acls.optJSONObject(i);
+            if (acl.optString("type").equals("SHARE")) {
+                this.acls.add(acl);
+            }
+        }
+    }
+
+    @Override
+    public int getCount() {
+        return acls.size();
+    }
+
+    @Override
+    public JSONObject getItem(int position) {
+        return acls.get(position);
+    }
+
+    @Override
+    public long getItemId(int position) {
+        return getItem(position).optString("id").hashCode();
+    }
+
+    @Override
+    public View getView(int position, View view, final ViewGroup parent) {
+        if (view == null) {
+            LayoutInflater vi = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+            view = vi.inflate(R.layout.share_list_item, parent, false);
+        }
+
+        // Fill the view
+        final JSONObject acl = getItem(position);
+        String name = acl.optString("name");
+        TextView shareTextView = (TextView) view.findViewById(R.id.shareTextView);
+        shareTextView.setText(name.isEmpty() ? parent.getContext().getString(R.string.share_default_name) : name);
+
+        // Delete a share
+        ImageButton shareDeleteButton = (ImageButton) view.findViewById(R.id.shareDeleteButton);
+        shareDeleteButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                EventBus.getDefault().post(new ShareDeleteEvent(acl.optString("id")));
+            }
+        });
+
+        // Send the link
+        ImageButton shareSendButton = (ImageButton) view.findViewById(R.id.shareSendButton);
+        shareSendButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                EventBus.getDefault().post(new ShareSendEvent(acl));
+            }
+        });
+
+        return view;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/adapter/TagAutoCompleteAdapter.java

@@ -0,0 +1,53 @@
+package com.sismics.docs.adapter;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.graphics.PorterDuff;
+import android.graphics.drawable.Drawable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import com.sismics.docs.R;
+import com.tokenautocomplete.FilteredArrayAdapter;
+
+import org.json.JSONObject;
+
+import java.util.List;
+
+/**
+ * Tag auto-complete adapter.
+ *
+ * @author bgamard.
+ */
+public class TagAutoCompleteAdapter extends FilteredArrayAdapter<JSONObject> {
+    public TagAutoCompleteAdapter(Context context, int resource, List<JSONObject> objects) {
+        super(context, resource, objects);
+    }
+
+    @Override
+    public View getView(int position, View view, ViewGroup parent) {
+        if (view == null) {
+            LayoutInflater vi = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+            view = vi.inflate(R.layout.tag_autocomplete_item, parent, false);
+        }
+
+        // Fill the view
+        JSONObject tag = getItem(position);
+        TextView textView = (TextView) view;
+        textView.setText(tag.optString("name"));
+
+        Drawable drawable = textView.getCompoundDrawables()[0].mutate();
+        drawable.setColorFilter(Color.parseColor(tag.optString("color")), PorterDuff.Mode.MULTIPLY);
+        textView.setCompoundDrawables(drawable, null, null, null);
+        textView.invalidate();
+
+        return view;
+    }
+
+    @Override
+    protected boolean keepObject(JSONObject tag, String s) {
+        return tag.optString("name").toLowerCase().startsWith(s.toLowerCase());
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/adapter/TagListAdapter.java

@@ -0,0 +1,93 @@
+package com.sismics.docs.adapter;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.graphics.PorterDuff;
+import android.graphics.drawable.Drawable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.sismics.docs.R;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+/**
+ * Tag list adapter.
+ *
+ * @author bgamard.
+ */
+public class TagListAdapter extends BaseAdapter {
+    /**
+     * Tags.
+     */
+    private List<JSONObject> tags;
+
+    /**
+     * Tag list adapter.
+     *
+     * @param tagsArray Tags
+     */
+    public TagListAdapter(JSONArray tagsArray) {
+        this.tags = new ArrayList<>();
+        for (int i = 0; i < tagsArray.length(); i++) {
+            tags.add(tagsArray.optJSONObject(i));
+        }
+
+        // Sort tags by count desc
+        Collections.sort(tags, new Comparator<JSONObject>() {
+            @Override
+            public int compare(JSONObject lhs, JSONObject rhs) {
+                return lhs.optInt("count") < rhs.optInt("count") ? 1 : -1;
+            }
+        });
+    }
+
+    @Override
+    public int getCount() {
+        return tags.size();
+    }
+
+    @Override
+    public JSONObject getItem(int position) {
+        return tags.get(position);
+    }
+
+    @Override
+    public long getItemId(int position) {
+        return getItem(position).optString("id").hashCode();
+    }
+
+    @Override
+    public View getView(int position, View view, ViewGroup parent) {
+        if (view == null) {
+            LayoutInflater vi = (LayoutInflater) parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+            view = vi.inflate(R.layout.tag_list_item, parent, false);
+        }
+
+        // Fill the view
+        JSONObject tag = getItem(position);
+        TextView tagTextView = (TextView) view.findViewById(R.id.tagTextView);
+        tagTextView.setText(tag.optString("name"));
+        TextView tagCountTextView = (TextView) view.findViewById(R.id.tagCountTextView);
+        tagCountTextView.setText(tag.optString("count"));
+
+        // Label color filtering
+        ImageView labelImageView = (ImageView) view.findViewById(R.id.labelImageView);
+        Drawable labelDrawable = labelImageView.getDrawable().mutate();
+        labelDrawable.setColorFilter(Color.parseColor(tag.optString("color")), PorterDuff.Mode.MULTIPLY);
+        labelImageView.setImageDrawable(labelDrawable);
+        labelImageView.invalidate();
+
+        return view;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/dummy/DummyContent.java

@@ -1,55 +0,0 @@
-package com.sismics.docs.dummy;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-/**
- * Helper class for providing sample content for user interfaces created by
- * Android template wizards.
- * <p>
- * TODO: Replace all uses of this class before publishing your app.
- */
-public class DummyContent {
-
-    /**
-     * An array of sample (dummy) items.
-     */
-    public static List<DummyItem> ITEMS = new ArrayList<DummyItem>();
-
-    /**
-     * A map of sample (dummy) items, by ID.
-     */
-    public static Map<String, DummyItem> ITEM_MAP = new HashMap<String, DummyItem>();
-
-    static {
-        // Add 3 sample items.
-        addItem(new DummyItem("1", "Item 1"));
-        addItem(new DummyItem("2", "Item 2"));
-        addItem(new DummyItem("3", "Item 3"));
-    }
-
-    private static void addItem(DummyItem item) {
-        ITEMS.add(item);
-        ITEM_MAP.put(item.id, item);
-    }
-
-    /**
-     * A dummy item representing a piece of content.
-     */
-    public static class DummyItem {
-        public String id;
-        public String content;
-
-        public DummyItem(String id, String content) {
-            this.id = id;
-            this.content = content;
-        }
-
-        @Override
-        public String toString() {
-            return content;
-        }
-    }
-}

docs-android/app/src/main/java/com/sismics/docs/event/AdvancedSearchEvent.java

@@ -0,0 +1,31 @@
+package com.sismics.docs.event;
+
+/**
+ * Advanced search event.
+ *
+ * @author bgamard.
+ */
+public class AdvancedSearchEvent {
+    /**
+     * Search query.
+     */
+    private String query;
+
+    /**
+     * Create an advanced search event.
+     *
+     * @param query Query
+     */
+    public AdvancedSearchEvent(String query) {
+        this.query = query;
+    }
+
+    /**
+     * Getter of query.
+     *
+     * @return query
+     */
+    public String getQuery() {
+        return query;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/event/DocumentAddEvent.java

@@ -0,0 +1,33 @@
+package com.sismics.docs.event;
+
+import org.json.JSONObject;
+
+/**
+ * Document add event.
+ *
+ * @author bgamard.
+ */
+public class DocumentAddEvent {
+    /**
+     * Document.
+     */
+    private JSONObject document;
+
+    /**
+     * Create a document add event.
+     *
+     * @param document Document
+     */
+    public DocumentAddEvent(JSONObject document) {
+        this.document = document;
+    }
+
+    /**
+     * Getter of document.
+     *
+     * @return document
+     */
+    public JSONObject getDocument() {
+        return document;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/event/DocumentDeleteEvent.java

@@ -0,0 +1,31 @@
+package com.sismics.docs.event;
+
+/**
+ * Document delete event.
+ *
+ * @author bgamard.
+ */
+public class DocumentDeleteEvent {
+    /**
+     * Document ID.
+     */
+    private String documentId;
+
+    /**
+     * Create a document delete event.
+     *
+     * @param documentId Document ID
+     */
+    public DocumentDeleteEvent(String documentId) {
+        this.documentId = documentId;
+    }
+
+    /**
+     * Getter of documentId.
+     *
+     * @return documentId
+     */
+    public String getDocumentId() {
+        return documentId;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/event/DocumentEditEvent.java

@@ -0,0 +1,33 @@
+package com.sismics.docs.event;
+
+import org.json.JSONObject;
+
+/**
+ * Document edit event.
+ *
+ * @author bgamard.
+ */
+public class DocumentEditEvent {
+    /**
+     * Document.
+     */
+    private JSONObject document;
+
+    /**
+     * Create a document edit event.
+     *
+     * @param document Document
+     */
+    public DocumentEditEvent(JSONObject document) {
+        this.document = document;
+    }
+
+    /**
+     * Getter of document.
+     *
+     * @return document
+     */
+    public JSONObject getDocument() {
+        return document;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/event/DocumentFullscreenEvent.java

@@ -0,0 +1,17 @@
+package com.sismics.docs.event;
+
+/**
+ * @author bgamard.
+ */
+public class DocumentFullscreenEvent {
+
+    private boolean fullscreen;
+
+    public DocumentFullscreenEvent(boolean fullscreen) {
+        this.fullscreen = fullscreen;
+    }
+
+    public boolean isFullscreen() {
+        return fullscreen;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/event/FileAddEvent.java

@@ -0,0 +1,45 @@
+package com.sismics.docs.event;
+
+/**
+ * File add event.
+ *
+ * @author bgamard.
+ */
+public class FileAddEvent {
+    /**
+     * Document ID.
+     */
+    private String documentId;
+    /**
+     * File ID.
+     */
+    private String fileId;
+
+    /**
+     * Create a file add event.
+     *
+     * @param fileId File ID
+     */
+    public FileAddEvent(String documentId, String fileId) {
+        this.documentId = documentId;
+        this.fileId = fileId;
+    }
+
+    /**
+     * Getter of fileId.
+     *
+     * @return fileId
+     */
+    public String getFileId() {
+        return fileId;
+    }
+
+    /**
+     * Getter of documentId.
+     *
+     * @return documentId
+     */
+    public String getDocumentId() {
+        return documentId;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/event/FileDeleteEvent.java

@@ -0,0 +1,31 @@
+package com.sismics.docs.event;
+
+/**
+ * File delete event.
+ *
+ * @author bgamard.
+ */
+public class FileDeleteEvent {
+    /**
+     * File ID.
+     */
+    private String fileId;
+
+    /**
+     * Create a document delete event.
+     *
+     * @param fileId File ID
+     */
+    public FileDeleteEvent(String fileId) {
+        this.fileId = fileId;
+    }
+
+    /**
+     * Getter of fileId.
+     *
+     * @return fileId
+     */
+    public String getFileId() {
+        return fileId;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/event/SearchEvent.java

@@ -0,0 +1,31 @@
+package com.sismics.docs.event;
+
+/**
+ * Search event.
+ *
+ * @author bgamard.
+ */
+public class SearchEvent {
+    /**
+     * Search query.
+     */
+    private String query;
+
+    /**
+     * Create a search event.
+     *
+     * @param query Query
+     */
+    public SearchEvent(String query) {
+        this.query = query;
+    }
+
+    /**
+     * Getter of query.
+     *
+     * @return query
+     */
+    public String getQuery() {
+        return query;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/event/ShareDeleteEvent.java

@@ -0,0 +1,26 @@
+package com.sismics.docs.event;
+
+/**
+ * Share delete event.
+ *
+ * @author bgamard.
+ */
+public class ShareDeleteEvent {
+    /**
+     * Share ID
+     */
+    private String id;
+
+    /**
+     * Create a share delete event.
+     *
+     * @param id Share ID
+     */
+    public ShareDeleteEvent(String id) {
+        this.id = id;
+    }
+
+    public String getId() {
+        return id;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/event/ShareSendEvent.java

@@ -0,0 +1,28 @@
+package com.sismics.docs.event;
+
+import org.json.JSONObject;
+
+/**
+ * Share send event.
+ *
+ * @author bgamard.
+ */
+public class ShareSendEvent {
+    /**
+     * ACL data.
+     */
+    private JSONObject acl;
+
+    /**
+     * Create a share send event.
+     *
+     * @param acl ACL data
+     */
+    public ShareSendEvent(JSONObject acl) {
+        this.acl = acl;
+    }
+
+    public JSONObject getAcl() {
+        return acl;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/fragment/DocListFragment.java

@@ -0,0 +1,246 @@
+package com.sismics.docs.fragment;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.widget.SwipeRefreshLayout;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageButton;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.sismics.docs.R;
+import com.sismics.docs.activity.DocumentEditActivity;
+import com.sismics.docs.activity.DocumentViewActivity;
+import com.sismics.docs.adapter.DocListAdapter;
+import com.sismics.docs.event.DocumentAddEvent;
+import com.sismics.docs.event.DocumentDeleteEvent;
+import com.sismics.docs.event.DocumentEditEvent;
+import com.sismics.docs.event.SearchEvent;
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+import com.sismics.docs.listener.RecyclerItemClickListener;
+import com.sismics.docs.resource.DocumentResource;
+import com.sismics.docs.ui.view.DividerItemDecoration;
+import com.sismics.docs.ui.view.EmptyRecyclerView;
+
+import org.apache.http.Header;
+import org.json.JSONObject;
+
+import de.greenrobot.event.EventBus;
+
+/**
+ * @author bgamard.
+ */
+public class DocListFragment extends Fragment {
+    /**
+     * Documents adapter.
+     */
+    private DocListAdapter adapter;
+
+    /**
+     * Search query.
+     */
+    private String query;
+
+    /**
+     * Request code of adding document.
+     */
+    private static final int REQUEST_CODE_ADD_DOCUMENT = 1;
+
+    // View cache
+    private EmptyRecyclerView recyclerView;
+    private SwipeRefreshLayout swipeRefreshLayout;
+
+    // Infinite scrolling things
+    private boolean loading = true;
+    private int previousTotal = 0;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        final View view = inflater.inflate(R.layout.doc_list_fragment, container, false);
+
+        // Configure the RecyclerView
+        recyclerView = (EmptyRecyclerView) view.findViewById(R.id.docList);
+        adapter = new DocListAdapter();
+        recyclerView.setAdapter(adapter);
+        recyclerView.setHasFixedSize(true);
+        recyclerView.setLongClickable(true);
+        recyclerView.addItemDecoration(new DividerItemDecoration(getResources().getDrawable(R.drawable.abc_list_divider_mtrl_alpha)));
+
+        // Configure the LayoutManager
+        final LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
+        recyclerView.setLayoutManager(layoutManager);
+
+        // Configure the swipe refresh layout
+        swipeRefreshLayout = (SwipeRefreshLayout) view.findViewById(R.id.swipeRefreshLayout);
+        swipeRefreshLayout.setColorSchemeResources(android.R.color.holo_blue_bright,
+                android.R.color.holo_green_light,
+                android.R.color.holo_orange_light,
+                android.R.color.holo_red_light);
+        swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
+            @Override
+            public void onRefresh() {
+                loadDocuments(view, true);
+            }
+        });
+
+        // Document opening
+        recyclerView.addOnItemTouchListener(new RecyclerItemClickListener(getActivity(), new RecyclerItemClickListener.OnItemClickListener() {
+            @Override
+            public void onItemClick(View view, int position) {
+                JSONObject document = adapter.getItemAt(position);
+                if (document != null) {
+                    openDocument(document);
+                }
+            }
+        }));
+
+        // Infinite scrolling
+        recyclerView.setOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
+                super.onScrolled(recyclerView, dx, dy);
+
+                int visibleItemCount = recyclerView.getChildCount();
+                int totalItemCount = layoutManager.getItemCount();
+                int firstVisibleItem = layoutManager.findFirstVisibleItemPosition();
+
+                if (loading) {
+                    if (totalItemCount > previousTotal) {
+                        loading = false;
+                        previousTotal = totalItemCount;
+                    }
+                }
+                if (!loading && totalItemCount - visibleItemCount <= firstVisibleItem + 3) {
+                    loadDocuments(getView(), false);
+                    loading = true;
+                }
+            }
+        });
+
+        // Add document button
+        ImageButton addDocumentButton = (ImageButton) view.findViewById(R.id.addDocumentButton);
+        addDocumentButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getActivity(), DocumentEditActivity.class);
+                startActivityForResult(intent, REQUEST_CODE_ADD_DOCUMENT);
+            }
+        });
+
+        // Grab the documents
+        loadDocuments(view, true);
+
+        EventBus.getDefault().register(this);
+        return view;
+    }
+
+    @Override
+    public void onDestroyView() {
+        EventBus.getDefault().unregister(this);
+        super.onDestroyView();
+    }
+
+    /**
+     * A search event has been fired.
+     *
+     * @param event Search event
+     */
+    public void onEventMainThread(SearchEvent event) {
+        query = event.getQuery();
+        loadDocuments(getView(), true);
+    }
+
+    /**
+     * A document edit event has been fired.
+     *
+     * @param event Document edit event
+     */
+    public void onEventMainThread(DocumentEditEvent event) {
+        adapter.updateDocument(event.getDocument());
+    }
+
+    /**
+     * A document delete event has been fired.
+     *
+     * @param event Document delete event
+     */
+    public void onEventMainThread(DocumentDeleteEvent event) {
+        adapter.deleteDocument(event.getDocumentId());
+    }
+
+    /**
+     * A document add event has been fired.
+     *
+     * @param event Document add event
+     */
+    public void onEventMainThread(DocumentAddEvent event) {
+        // Refresh the list, maybe the new document fit in it
+        loadDocuments(getView(), true);
+
+        // Open the newly created document
+        openDocument(event.getDocument());
+    }
+
+    /**
+     * Open a document.
+     *
+     * @param document Document to open
+     */
+    private void openDocument(JSONObject document) {
+        Intent intent = new Intent(getActivity(), DocumentViewActivity.class);
+        intent.putExtra("document", document.toString());
+        startActivity(intent);
+    }
+
+    /**
+     * Refresh the document list.
+     *
+     * @param view View
+     * @param reset If true, reload the documents
+     */
+    private void loadDocuments(final View view, final boolean reset) {
+        if (view == null) return;
+        final View progressBar = view.findViewById(R.id.progressBar);
+        final TextView documentsEmptyView = (TextView) view.findViewById(R.id.documentsEmptyView);
+
+        if (reset) {
+            loading = true;
+            previousTotal = 0;
+            adapter.clearDocuments();
+        } else {
+            swipeRefreshLayout.setRefreshing(true);
+        }
+
+        recyclerView.setEmptyView(progressBar);
+
+        DocumentResource.list(getActivity(), reset ? 0 : adapter.getItemCount(), query, new JsonHttpResponseHandler() {
+            @Override
+            public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                adapter.addDocuments(response.optJSONArray("documents"));
+                documentsEmptyView.setText(R.string.no_documents);
+                recyclerView.setEmptyView(documentsEmptyView);
+            }
+
+            @Override
+            public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+                documentsEmptyView.setText(R.string.error_loading_documents);
+                recyclerView.setEmptyView(documentsEmptyView);
+
+                if (!reset) {
+                    // We are loading a new page, so the empty view won't be visible, pop a toast
+                    Toast.makeText(getActivity(), R.string.error_loading_documents, Toast.LENGTH_SHORT).show();
+                }
+            }
+
+            @Override
+            public void onFinish() {
+                swipeRefreshLayout.setRefreshing(false);
+            }
+        });
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/fragment/DocShareFragment.java

@@ -0,0 +1,186 @@
+package com.sismics.docs.fragment;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v4.app.DialogFragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ListView;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.sismics.docs.R;
+import com.sismics.docs.adapter.ShareListAdapter;
+import com.sismics.docs.event.ShareDeleteEvent;
+import com.sismics.docs.event.ShareSendEvent;
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+import com.sismics.docs.resource.DocumentResource;
+import com.sismics.docs.resource.ShareResource;
+import com.sismics.docs.util.PreferenceUtil;
+
+import org.apache.http.Header;
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import de.greenrobot.event.EventBus;
+
+/**
+ * Document sharing dialog fragment.
+ *
+ * @author bgamard.
+ */
+public class DocShareFragment extends DialogFragment {
+    /**
+     * Document data.
+     */
+    private JSONObject document;
+
+    /**
+     * Document sharing dialog fragment
+     * @param id Document ID
+     */
+    public static DocShareFragment newInstance(String id) {
+        DocShareFragment fragment = new DocShareFragment();
+        Bundle args = new Bundle();
+        args.putString("id", id);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+
+        // Setup the view
+        LayoutInflater inflater = getActivity().getLayoutInflater();
+        View view = inflater.inflate(R.layout.document_share_dialog, null);
+        final Button shareAddButton = (Button) view.findViewById(R.id.shareAddButton);
+        final EditText shareNameEditText = (EditText) view.findViewById(R.id.shareNameEditText);
+
+        // Add a share
+        shareAddButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                shareNameEditText.setEnabled(false);
+                shareAddButton.setEnabled(false);
+
+                ShareResource.add(getActivity(), getArguments().getString("id"), shareNameEditText.getText().toString(),
+                        new JsonHttpResponseHandler() {
+                    @Override
+                    public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                        shareNameEditText.setText("");
+                        loadShares(getDialog().getWindow().getDecorView());
+                    }
+
+                    @Override
+                    public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+                        Toast.makeText(getActivity(), R.string.error_adding_share, Toast.LENGTH_SHORT).show();
+                    }
+
+                    @Override
+                    public void onFinish() {
+                        shareNameEditText.setEnabled(true);
+                        shareAddButton.setEnabled(true);
+                    }
+                });
+            }
+        });
+
+        // Get the shares
+        loadShares(view);
+
+        // Build the dialog
+        builder.setView(view)
+                .setNegativeButton(R.string.close, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        getDialog().cancel();
+                    }
+                });
+        return builder.create();
+    }
+
+    /**
+     * Load the shares.
+     *
+     * @param view View
+     */
+    private void loadShares(View view) {
+        if (isDetached()) return;
+
+        final ListView shareListView = (ListView) view.findViewById(R.id.shareListView);
+        final TextView shareEmptyView = (TextView) view.findViewById(R.id.shareEmptyView);
+        final ProgressBar shareProgressBar = (ProgressBar) view.findViewById(R.id.shareProgressBar);
+
+        shareListView.setEmptyView(shareProgressBar);
+        DocumentResource.get(getActivity(), getArguments().getString("id"), new JsonHttpResponseHandler() {
+            @Override
+            public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                document = response;
+                JSONArray acls = response.optJSONArray("acls");
+                shareProgressBar.setVisibility(View.GONE);
+                shareListView.setEmptyView(shareEmptyView);
+                shareListView.setAdapter(new ShareListAdapter(acls));
+            }
+
+            @Override
+            public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+                getDialog().cancel();
+                Toast.makeText(getActivity(), R.string.error_loading_shares, Toast.LENGTH_SHORT).show();
+            }
+        });
+    }
+
+    public void onEventMainThread(ShareDeleteEvent event) {
+        ShareResource.delete(getActivity(), event.getId(), new JsonHttpResponseHandler() {
+            @Override
+            public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                loadShares(getDialog().getWindow().getDecorView());
+            }
+
+            @Override
+            public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+                Toast.makeText(getActivity(), R.string.error_deleting_share, Toast.LENGTH_SHORT).show();
+            }
+        });
+    }
+
+    public void onEventMainThread(ShareSendEvent event) {
+        if (document == null) return;
+
+        // Build the share link
+        String serverUrl = PreferenceUtil.getServerUrl(getActivity());
+        String link = serverUrl + "/share.html#/share/" + document.optString("id") + "/" + event.getAcl().optString("id");
+
+        // Build the intent
+        Context context = getActivity();
+        Intent intent = new Intent();
+        intent.setAction(Intent.ACTION_SEND);
+        intent.putExtra(Intent.EXTRA_SUBJECT, document.optString("title"));
+        intent.putExtra(Intent.EXTRA_TEXT, link);
+        intent.setType("text/plain");
+
+        // Open the target chooser
+        context.startActivity(Intent.createChooser(intent, context.getText(R.string.send_share_to)));
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EventBus.getDefault().register(this);
+    }
+
+    @Override
+    public void onDestroy() {
+        EventBus.getDefault().unregister(this);
+        super.onDestroy();
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/fragment/SearchFragment.java

@@ -0,0 +1,128 @@
+package com.sismics.docs.fragment;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v4.app.DialogFragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.CheckBox;
+import android.widget.EditText;
+import android.widget.Spinner;
+
+import com.sismics.docs.R;
+import com.sismics.docs.adapter.LanguageAdapter;
+import com.sismics.docs.adapter.TagAutoCompleteAdapter;
+import com.sismics.docs.event.AdvancedSearchEvent;
+import com.sismics.docs.ui.view.DatePickerView;
+import com.sismics.docs.ui.view.TagsCompleteTextView;
+import com.sismics.docs.util.PreferenceUtil;
+import com.sismics.docs.util.SearchQueryBuilder;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import de.greenrobot.event.EventBus;
+
+/**
+ * Advanced search fragment.
+ *
+ * @author bgamard.
+ */
+public class SearchFragment extends DialogFragment {
+    /**
+     * Document sharing dialog fragment
+     */
+    public static SearchFragment newInstance() {
+        SearchFragment fragment = new SearchFragment();
+        Bundle args = new Bundle();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @NonNull
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+
+        // Setup the view
+        LayoutInflater inflater = getActivity().getLayoutInflater();
+        View view = inflater.inflate(R.layout.search_dialog, null);
+        final EditText searchEditText = (EditText) view.findViewById(R.id.searchEditText);
+        final EditText fulltextEditText = (EditText) view.findViewById(R.id.fulltextEditText);
+        final CheckBox sharedCheckbox = (CheckBox) view.findViewById(R.id.sharedCheckbox);
+        final Spinner languageSpinner = (Spinner) view.findViewById(R.id.languageSpinner);
+        final DatePickerView beforeDatePicker = (DatePickerView) view.findViewById(R.id.beforeDatePicker);
+        final DatePickerView afterDatePicker = (DatePickerView) view.findViewById(R.id.afterDatePicker);
+        final TagsCompleteTextView tagsEditText = (TagsCompleteTextView) view.findViewById(R.id.tagsEditText);
+
+        // Language spinner
+        LanguageAdapter languageAdapter = new LanguageAdapter(getActivity(), true);
+        languageSpinner.setAdapter(languageAdapter);
+
+        // Tags auto-complete
+        JSONObject tags = PreferenceUtil.getCachedJson(getActivity(), PreferenceUtil.PREF_CACHED_TAGS_JSON);
+        if (tags == null) {
+            Dialog dialog = builder.create();
+            dialog.cancel();
+            return dialog;
+        }
+        JSONArray tagArray = tags.optJSONArray("stats");
+
+        List<JSONObject> tagList = new ArrayList<>();
+        for (int i = 0; i < tagArray.length(); i++) {
+            tagList.add(tagArray.optJSONObject(i));
+        }
+
+        tagsEditText.allowDuplicates(false);
+        tagsEditText.setAdapter(new TagAutoCompleteAdapter(getActivity(), 0, tagList));
+
+        // Build the dialog
+        builder.setView(view)
+                .setPositiveButton(R.string.search, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        // Build the simple criterias
+                        SearchQueryBuilder queryBuilder = new SearchQueryBuilder()
+                                .simpleSearch(searchEditText.getText().toString())
+                                .shared(sharedCheckbox.isChecked())
+                                .language(((LanguageAdapter.Language) languageSpinner.getSelectedItem()).getId())
+                                .before(beforeDatePicker.getDate())
+                                .after(afterDatePicker.getDate());
+
+                        // Fulltext criteria
+                        String fulltextCriteria = fulltextEditText.getText().toString();
+                        if (!fulltextCriteria.trim().isEmpty()) {
+                            String[] criterias = fulltextCriteria.split(" ");
+                            for (String criteria : criterias) {
+                                queryBuilder.fulltextSearch(criteria);
+                            }
+                        }
+
+                        // Tags criteria
+                        for (Object object : tagsEditText.getObjects()) {
+                            JSONObject tag = (JSONObject) object;
+                            queryBuilder.tag(tag.optString("name"));
+                        }
+
+                        // Send the advanced search event
+                        EventBus.getDefault().post(new AdvancedSearchEvent(queryBuilder.build()));
+
+                        getDialog().cancel();
+                    }
+                })
+                .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        getDialog().cancel();
+                    }
+                });
+        Dialog dialog = builder.create();
+        dialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN);
+        return dialog;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/fragment/SettingsFragment.java

@@ -0,0 +1,88 @@
+package com.sismics.docs.fragment;
+
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.ListPreference;
+import android.preference.Preference;
+import android.preference.PreferenceFragment;
+import android.preference.PreferenceManager;
+import android.provider.SearchRecentSuggestions;
+import android.widget.Toast;
+
+import com.androidquery.util.AQUtility;
+import com.sismics.docs.R;
+import com.sismics.docs.provider.RecentSuggestionsProvider;
+import com.sismics.docs.util.ApplicationUtil;
+import com.sismics.docs.util.PreferenceUtil;
+
+/**
+ * Settings fragment.
+ *
+ * @author bgamard.
+ */
+public class SettingsFragment extends PreferenceFragment implements SharedPreferences.OnSharedPreferenceChangeListener {
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Load the preferences from an XML resource
+        addPreferencesFromResource(R.xml.preferences);
+
+        // Initialize summaries
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        onSharedPreferenceChanged(sharedPreferences, PreferenceUtil.PREF_CACHE_SIZE);
+
+
+        // Handle clearing the recent search history
+        Preference clearHistoryPref = findPreference("pref_clearHistory");
+        clearHistoryPref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+                SearchRecentSuggestions suggestions = new SearchRecentSuggestions(getActivity(),
+                        RecentSuggestionsProvider.AUTHORITY, RecentSuggestionsProvider.MODE);
+                suggestions.clearHistory();
+                Toast.makeText(getActivity(), R.string.pref_clear_history_success, Toast.LENGTH_LONG).show();
+                return true;
+            }
+        });
+
+        // Handle clearing the cache
+        Preference clearCachePref = findPreference("pref_clearCache");
+        clearCachePref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+                AQUtility.cleanCacheAsync(getActivity());
+                Toast.makeText(getActivity(), R.string.pref_clear_cache_success, Toast.LENGTH_LONG).show();
+                return true;
+            }
+        });
+
+        // Initialize static text preferences
+        Preference versionPref = findPreference("pref_version");
+        versionPref.setSummary(getString(R.string.version) + " " + ApplicationUtil.getVersionName(getActivity())
+                + " | " + getString(R.string.build) + " " + ApplicationUtil.getVersionCode(getActivity()));
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        getPreferenceManager().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
+
+    }
+
+    @Override
+    public void onPause() {
+        getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
+        super.onPause();
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+        Preference pref = findPreference(key);
+        if (pref instanceof ListPreference) {
+            ListPreference listPref = (ListPreference) pref;
+            pref.setSummary(listPref.getEntry());
+        }
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/listener/CallbackListener.java

@@ -0,0 +1,10 @@
+package com.sismics.docs.listener;
+
+/**
+ * Simple listener.
+ * 
+ * @author bgamard
+ */
+public interface CallbackListener {
+    public void onComplete();
+}

docs-android/app/src/main/java/com/sismics/docs/listener/JsonHttpResponseHandler.java

@@ -0,0 +1,241 @@
+/*
+    Android Asynchronous Http Client
+    Copyright (c) 2011 James Smith <james@loopj.com>
+    http://loopj.com
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+package com.sismics.docs.listener;
+
+import android.util.Log;
+
+import com.loopj.android.http.TextHttpResponseHandler;
+
+import org.apache.http.Header;
+import org.apache.http.HttpStatus;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.json.JSONTokener;
+
+/**
+ * Used to intercept and handle the responses from requests made using {@link com.loopj.android.http.AsyncHttpClient}, with
+ * automatic parsing into a {@link JSONObject} or {@link JSONArray}. <p>&nbsp;</p> This class is
+ * designed to be passed to get, post, put and delete requests with the {@link #onSuccess(int,
+ * org.apache.http.Header[], org.json.JSONArray)} or {@link #onSuccess(int,
+ * org.apache.http.Header[], org.json.JSONObject)} methods anonymously overridden. <p>&nbsp;</p>
+ * Additionally, you can override the other event methods from the parent class.
+ */
+public class JsonHttpResponseHandler extends TextHttpResponseHandler {
+
+    private static final String LOG_TAG = "JsonHttpResponseHandler";
+
+    /**
+     * Creates new JsonHttpResponseHandler, with JSON String encoding UTF-8
+     */
+    public JsonHttpResponseHandler() {
+        super(DEFAULT_CHARSET);
+    }
+
+    /**
+     * Creates new JsonHttpRespnseHandler with given JSON String encoding
+     *
+     * @param encoding String encoding to be used when parsing JSON
+     */
+    public JsonHttpResponseHandler(String encoding) {
+        super(encoding);
+    }
+
+    /**
+     * Returns when request succeeds
+     *
+     * @param statusCode http response status line
+     * @param headers    response headers if any
+     * @param response   parsed response if any
+     */
+    public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+        Log.w(LOG_TAG, "onSuccess(int, Header[], JSONObject) was not overriden, but callback was received");
+    }
+
+    /**
+     * Returns when request succeeds
+     *
+     * @param statusCode http response status line
+     * @param headers    response headers if any
+     * @param response   parsed response if any
+     */
+    public void onSuccess(int statusCode, Header[] headers, JSONArray response) {
+        Log.w(LOG_TAG, "onSuccess(int, Header[], JSONArray) was not overriden, but callback was received");
+    }
+
+    /**
+     * Returns when request failed
+     *
+     * @param statusCode    http response status line
+     * @param headers       response headers if any
+     * @param throwable     throwable describing the way request failed
+     * @param errorResponse parsed response if any
+     */
+    public void onFailure(int statusCode, Header[] headers, Throwable throwable, JSONObject errorResponse) {
+        Log.w(LOG_TAG, "onFailure(int, Header[], Throwable, JSONObject) was not overriden, but callback was received", throwable);
+    }
+
+    /**
+     * Returns when request failed
+     *
+     * @param statusCode    http response status line
+     * @param headers       response headers if any
+     * @param throwable     throwable describing the way request failed
+     * @param errorResponse parsed response if any
+     */
+    public void onFailure(int statusCode, Header[] headers, Throwable throwable, JSONArray errorResponse) {
+        Log.w(LOG_TAG, "onFailure(int, Header[], Throwable, JSONArray) was not overriden, but callback was received", throwable);
+    }
+
+    @Override
+    public void onFailure(int statusCode, Header[] headers, String responseString, Throwable throwable) {
+        Log.w(LOG_TAG, "onFailure(int, Header[], String, Throwable) was not overriden, but callback was received", throwable);
+    }
+
+    @Override
+    public void onSuccess(int statusCode, Header[] headers, String responseString) {
+        Log.w(LOG_TAG, "onSuccess(int, Header[], String) was not overriden, but callback was received");
+    }
+
+    @Override
+    public final void onSuccess(final int statusCode, final Header[] headers, final byte[] responseBytes) {
+        if (statusCode != HttpStatus.SC_NO_CONTENT) {
+            Runnable parser = new Runnable() {
+                @Override
+                public void run() {
+                    try {
+                        final Object jsonResponse = parseResponse(responseBytes);
+                        postRunnable(new Runnable() {
+                            @Override
+                            public void run() {
+                                if (jsonResponse instanceof JSONObject) {
+                                    onSuccess(statusCode, headers, (JSONObject) jsonResponse);
+                                } else if (jsonResponse instanceof JSONArray) {
+                                    onSuccess(statusCode, headers, (JSONArray) jsonResponse);
+                                } else if (jsonResponse instanceof String) {
+                                    onFailure(statusCode, headers, (String) jsonResponse, new JSONException("Response cannot be parsed as JSON data"));
+                                } else {
+                                    onFailure(statusCode, headers, new JSONException("Unexpected response type " + jsonResponse.getClass().getName()), (JSONObject) null);
+                                }
+
+                            }
+                        });
+                    } catch (final JSONException ex) {
+                        postRunnable(new Runnable() {
+                            @Override
+                            public void run() {
+                                onFailure(statusCode, headers, ex, (JSONObject) null);
+                            }
+                        });
+                    }
+                }
+            };
+            if (!getUseSynchronousMode()) {
+                new Thread(parser).start();
+            } else {
+                // In synchronous mode everything should be run on one thread
+                parser.run();
+            }
+        } else {
+            onSuccess(statusCode, headers, new JSONObject());
+        }
+    }
+
+    @Override
+    public final void onFailure(final int statusCode, final Header[] headers, final byte[] responseBytes, final Throwable throwable) {
+        if (responseBytes != null) {
+            Runnable parser = new Runnable() {
+                @Override
+                public void run() {
+                    try {
+                        final Object jsonResponse = parseResponse(responseBytes);
+                        postRunnable(new Runnable() {
+                            @Override
+                            public void run() {
+                                if (jsonResponse instanceof JSONObject) {
+                                    onFailure(statusCode, headers, throwable, (JSONObject) jsonResponse);
+                                } else if (jsonResponse instanceof JSONArray) {
+                                    onFailure(statusCode, headers, throwable, (JSONArray) jsonResponse);
+                                } else if (jsonResponse instanceof String) {
+                                    onFailure(statusCode, headers, (String) jsonResponse, throwable);
+                                } else {
+                                    onFailure(statusCode, headers, new JSONException("Unexpected response type " + jsonResponse.getClass().getName()), (JSONObject) null);
+                                }
+                            }
+                        });
+
+                    } catch (final JSONException ex) {
+                        postRunnable(new Runnable() {
+                            @Override
+                            public void run() {
+                                onFailure(statusCode, headers, ex, (JSONObject) null);
+                            }
+                        });
+
+                    }
+                }
+            };
+            if (!getUseSynchronousMode()) {
+                new Thread(parser).start();
+            } else {
+                // In synchronous mode everything should be run on one thread
+                parser.run();
+            }
+        } else {
+            Log.v(LOG_TAG, "response body is null, calling onFailure(Throwable, JSONObject)");
+            onFailure(statusCode, headers, throwable, (JSONObject) null);
+        }
+
+        // In all cases, call the default failure listener
+        onAllFailure(statusCode, headers, responseBytes, throwable);
+    }
+
+    public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+        // All failures go there
+    }
+
+    /**
+     * Returns Object of type {@link JSONObject}, {@link JSONArray}, String, Boolean, Integer, Long,
+     * Double or {@link JSONObject#NULL}, see {@link org.json.JSONTokener#nextValue()}
+     *
+     * @param responseBody response bytes to be assembled in String and parsed as JSON
+     * @return Object parsedResponse
+     * @throws org.json.JSONException exception if thrown while parsing JSON
+     */
+    protected Object parseResponse(byte[] responseBody) throws JSONException {
+        if (null == responseBody)
+            return null;
+        Object result = null;
+        //trim the string to prevent start with blank, and test if the string is valid JSON, because the parser don't do this :(. If JSON is not valid this will return null
+        String jsonString = getResponseString(responseBody, getCharset());
+        if (jsonString != null) {
+            jsonString = jsonString.trim();
+            if (jsonString.startsWith(UTF8_BOM)) {
+                jsonString = jsonString.substring(1);
+            }
+            if (jsonString.startsWith("{") || jsonString.startsWith("[")) {
+                result = new JSONTokener(jsonString).nextValue();
+            }
+        }
+        if (result == null) {
+            result = jsonString;
+        }
+        return result;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/listener/RecyclerItemClickListener.java

@@ -0,0 +1,37 @@
+package com.sismics.docs.listener;
+
+import android.content.Context;
+import android.support.v7.widget.RecyclerView;
+import android.view.GestureDetector;
+import android.view.MotionEvent;
+import android.view.View;
+
+
+public class RecyclerItemClickListener implements RecyclerView.OnItemTouchListener {
+  private OnItemClickListener mListener;
+
+  public interface OnItemClickListener {
+    public void onItemClick(View view, int position);
+  }
+
+  GestureDetector mGestureDetector;
+
+  public RecyclerItemClickListener(Context context, OnItemClickListener listener) {
+    mListener = listener;
+    mGestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
+      @Override public boolean onSingleTapUp(MotionEvent e) {
+        return true;
+      }
+    });
+  }
+
+  @Override public boolean onInterceptTouchEvent(RecyclerView view, MotionEvent e) {
+    View childView = view.findChildViewUnder(e.getX(), e.getY());
+    if (childView != null && mListener != null && mGestureDetector.onTouchEvent(e)) {
+      mListener.onItemClick(childView, view.getChildPosition(childView));
+    }
+    return false;
+  }
+
+  @Override public void onTouchEvent(RecyclerView view, MotionEvent motionEvent) { }
+}

docs-android/app/src/main/java/com/sismics/docs/model/application/ApplicationContext.java

@@ -0,0 +1,100 @@
+package com.sismics.docs.model.application;
+
+import android.app.Activity;
+import android.content.Context;
+
+import com.sismics.docs.listener.CallbackListener;
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+import com.sismics.docs.resource.UserResource;
+import com.sismics.docs.util.PreferenceUtil;
+
+import org.apache.http.Header;
+import org.json.JSONObject;
+
+/**
+ * Global context of the application.
+ * 
+ * @author bgamard
+ */
+public class ApplicationContext {
+    /**
+     * Singleton's instance.
+     */
+    private static ApplicationContext applicationContext;
+    
+    /**
+     * Response of /user/info
+     */
+    private JSONObject userInfo;
+    
+    /**
+     * Private constructor.
+     */
+    private ApplicationContext() {
+    }
+    
+    /**
+     * Returns a singleton of ApplicationContext.
+     * 
+     * @return Singleton of ApplicationContext
+     */
+    public static ApplicationContext getInstance() {
+        if (applicationContext == null) {
+            applicationContext = new ApplicationContext();
+        }
+        return applicationContext;
+    }
+    
+    /**
+     * Returns true if current user is logged in.
+     *
+     * @return True if the current user is logged in
+     */
+    public boolean isLoggedIn() {
+        return userInfo != null && !userInfo.optBoolean("anonymous");
+    }
+
+    /**
+     * Getter of userInfo
+     *
+     * @return userInfo
+     */
+    public JSONObject getUserInfo() {
+        return userInfo;
+    }
+
+    /**
+     * Setter of userInfo
+     *
+     * @param json userInfo
+     */
+    public void setUserInfo(Context context, JSONObject json) {
+        this.userInfo = json;
+        PreferenceUtil.setCachedJson(context, PreferenceUtil.PREF_CACHED_USER_INFO_JSON, json);
+    }
+    
+    /**
+     * Asynchronously get user info.
+     *
+     * @param activity Activity
+     * @param callbackListener CallbackListener
+     */
+    public void fetchUserInfo(final Activity activity, final CallbackListener callbackListener) {
+        UserResource.info(activity.getApplicationContext(), new JsonHttpResponseHandler() {
+            @Override
+            public void onSuccess(int statusCode, Header[] headers, final JSONObject json) {
+                // Save data in application context
+                if (!json.optBoolean("anonymous", true)) {
+                    setUserInfo(activity.getApplicationContext(), json);
+                }
+            }
+
+            @Override
+            public void onFinish() {
+                if (callbackListener != null) {
+                    callbackListener.onComplete();
+                }
+            }
+        });
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/provider/RecentSuggestionsProvider.java

@@ -0,0 +1,17 @@
+package com.sismics.docs.provider;
+
+import android.content.SearchRecentSuggestionsProvider;
+
+/**
+ * Search recent suggestions provider.
+ *
+ * @author bgamard.
+ */
+public class RecentSuggestionsProvider extends SearchRecentSuggestionsProvider {
+    public final static String AUTHORITY = "com.sismics.docs.provider.RecentSuggestionsProvider";
+    public final static int MODE = DATABASE_MODE_QUERIES;
+
+    public RecentSuggestionsProvider() {
+        setupSuggestions(AUTHORITY, MODE);
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/resource/BaseResource.java

@@ -0,0 +1,138 @@
+package com.sismics.docs.resource;
+
+import android.content.Context;
+import android.os.Build;
+
+import com.androidquery.callback.AbstractAjaxCallback;
+import com.loopj.android.http.AsyncHttpClient;
+import com.loopj.android.http.PersistentCookieStore;
+import com.sismics.docs.util.ApplicationUtil;
+import com.sismics.docs.util.PreferenceUtil;
+
+import org.apache.http.conn.ssl.SSLSocketFactory;
+
+import java.io.IOException;
+import java.net.Socket;
+import java.security.KeyManagementException;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.UnrecoverableKeyException;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
+import java.util.Locale;
+
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+
+/**
+ * Base class for API access.
+ * 
+ * @author bgamard
+ */
+public class BaseResource {
+    
+    /**
+     * User-Agent to use.
+     */
+    protected static String USER_AGENT = null;
+    
+    /**
+     * Accept-Language header.
+     */
+    protected static String ACCEPT_LANGUAGE = null;
+    
+    /**
+     * HTTP client.
+     */
+    protected static AsyncHttpClient client = new AsyncHttpClient();
+    
+    static {
+        // 20sec default timeout
+        client.setTimeout(60000);
+        try {
+            KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
+            trustStore.load(null, null);
+            MySSLSocketFactory sf = new MySSLSocketFactory(trustStore);
+            sf.setHostnameVerifier(MySSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
+            client.setSSLSocketFactory(sf);
+            AbstractAjaxCallback.setSSF(sf);
+        } catch (Exception e) {
+            // NOP
+        }
+    }
+    
+    /**
+     * Resource initialization.
+     *
+     * @param context Context
+     */
+    protected static void init(Context context) {
+        client.setCookieStore(new PersistentCookieStore(context));
+        
+        if (USER_AGENT == null) {
+            USER_AGENT = "Sismics Docs Android " + ApplicationUtil.getVersionName(context) + "/Android " + Build.VERSION.RELEASE + "/" + Build.MODEL;
+            client.setUserAgent(USER_AGENT);
+        }
+        
+        if (ACCEPT_LANGUAGE == null) {
+            Locale locale = Locale.getDefault();
+            ACCEPT_LANGUAGE = locale.getLanguage() + "_" + locale.getCountry();
+            client.addHeader("Accept-Language", ACCEPT_LANGUAGE);
+        }
+    }
+    
+    /**
+     * Socket factory to allow self-signed certificates.
+     * 
+     * @author bgamard
+     */
+    public static class MySSLSocketFactory extends SSLSocketFactory {
+        SSLContext sslContext = SSLContext.getInstance("TLS");
+
+        public MySSLSocketFactory(KeyStore truststore) throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
+            super(truststore);
+
+            TrustManager tm = new X509TrustManager() {
+                public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
+                }
+
+                public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
+                }
+
+                public X509Certificate[] getAcceptedIssuers() {
+                    return null;
+                }
+            };
+
+            sslContext.init(null, new TrustManager[] { tm }, null);
+        }
+
+        @Override
+        public Socket createSocket(Socket socket, String host, int port, boolean autoClose) throws IOException {
+            return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose);
+        }
+
+        @Override
+        public Socket createSocket() throws IOException {
+            return sslContext.getSocketFactory().createSocket();
+        }
+    }
+    
+    /**
+     * Returns cleaned API URL.
+     *
+     * @param context Context
+     * @return Cleaned API URL
+     */
+    protected static String getApiUrl(Context context) {
+        String serverUrl = PreferenceUtil.getServerUrl(context);
+        
+        if (serverUrl == null) {
+            return null;
+        }
+        
+        return serverUrl + "/api";
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/resource/DocumentResource.java

@@ -0,0 +1,119 @@
+package com.sismics.docs.resource;
+
+import android.content.Context;
+
+import com.loopj.android.http.RequestParams;
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+
+import java.util.Set;
+
+/**
+ * Access to /document API.
+ * 
+ * @author bgamard
+ */
+public class DocumentResource extends BaseResource {
+    /**
+     * GET /document/list.
+     *
+     * @param context Context
+     * @param offset Offset
+     * @param query Search query
+     * @param responseHandler Callback
+     */
+    public static void list(Context context, int offset, String query, JsonHttpResponseHandler responseHandler) {
+        init(context);
+        
+        RequestParams params = new RequestParams();
+        params.put("limit", 20);
+        params.put("offset", offset);
+        params.put("sort_column", 3);
+        params.put("asc", false);
+        params.put("search", query);
+        client.get(getApiUrl(context) + "/document/list", params, responseHandler);
+    }
+
+    /**
+     * GET /document/id.
+     *
+     * @param context Context
+     * @param id ID
+     * @param responseHandler Callback
+     */
+    public static void get(Context context, String id, JsonHttpResponseHandler responseHandler) {
+        init(context);
+
+        client.get(getApiUrl(context) + "/document/" + id, responseHandler);
+    }
+
+    /**
+     * DELETE /document/id.
+     *
+     * @param context Context
+     * @param id ID
+     * @param responseHandler Callback
+     */
+    public static void delete(Context context, String id, JsonHttpResponseHandler responseHandler) {
+        init(context);
+
+        client.delete(getApiUrl(context) + "/document/" + id, responseHandler);
+    }
+
+    /**
+     * PUT /document.
+     *
+     * @param context Context
+     * @param title Title
+     * @param description Description
+     * @param tagIdList Tags ID list
+     * @param language Language
+     * @param createDate Create date
+     * @param responseHandler Callback
+     */
+    public static void add(Context context, String title, String description,
+                           Set<String> tagIdList, String language, long createDate, JsonHttpResponseHandler responseHandler) {
+        init(context);
+
+        RequestParams params = new RequestParams();
+        params.put("title", title);
+        params.put("description", description);
+        params.put("tags", tagIdList);
+        params.put("language", language);
+        params.put("create_date", createDate);
+        client.put(getApiUrl(context) + "/document", params, responseHandler);
+    }
+
+    /**
+     * POST /document/id.
+     *
+     * @param context Context
+     * @param id ID
+     * @param title Title
+     * @param description Description
+     * @param tagIdList Tags ID list
+     * @param language Language
+     * @param createDate Create date
+     * @param responseHandler Callback
+     */
+    public static void edit(Context context, String id, String title, String description,
+                           Set<String> tagIdList, String language, long createDate, JsonHttpResponseHandler responseHandler) {
+        init(context);
+
+        RequestParams params = new RequestParams();
+        params.put("title", title);
+        params.put("description", description);
+        params.put("tags", tagIdList);
+        params.put("language", language);
+        params.put("create_date", createDate);
+        client.post(getApiUrl(context) + "/document/" + id, params, responseHandler);
+    }
+
+    /**
+     * Cancel pending requests.
+     *
+     * @param context Context
+     */
+    public static void cancel(Context context) {
+        client.cancelRequests(context, true);
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/resource/FileResource.java

@@ -0,0 +1,82 @@
+package com.sismics.docs.resource;
+
+import android.content.Context;
+
+import com.loopj.android.http.PersistentCookieStore;
+import com.loopj.android.http.RequestParams;
+import com.loopj.android.http.SyncHttpClient;
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+
+import java.io.InputStream;
+import java.security.KeyStore;
+
+
+/**
+ * Access to /file API.
+ * 
+ * @author bgamard
+ */
+public class FileResource extends BaseResource {
+    /**
+     * GET /file/list.
+     *
+     * @param context Context
+     * @param documentId Document ID
+     * @param responseHandler Callback
+     */
+    public static void list(Context context, String documentId, JsonHttpResponseHandler responseHandler) {
+        init(context);
+
+        client.get(getApiUrl(context) + "/file/list?id=" + documentId, responseHandler);
+    }
+
+    /**
+     * DELETE /file/id.
+     *
+     * @param context Context
+     * @param id ID
+     * @param responseHandler Callback
+     */
+    public static void delete(Context context, String id, JsonHttpResponseHandler responseHandler) {
+        init(context);
+
+        client.delete(getApiUrl(context) + "/file/" + id, responseHandler);
+    }
+
+    /**
+     * PUT /file.
+     *
+     * @param context Context
+     * @param documentId Document ID
+     * @param is Input stream
+     * @param responseHandler Callback
+     * @throws Exception
+     */
+    public static void addSync(Context context, String documentId, InputStream is, JsonHttpResponseHandler responseHandler) throws Exception {
+        init(context);
+
+        SyncHttpClient client = new SyncHttpClient();
+        KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
+        trustStore.load(null, null);
+        MySSLSocketFactory sf = new MySSLSocketFactory(trustStore);
+        sf.setHostnameVerifier(MySSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
+        client.setSSLSocketFactory(sf);
+        client.setCookieStore(new PersistentCookieStore(context));
+        client.setUserAgent(USER_AGENT);
+        client.addHeader("Accept-Language", ACCEPT_LANGUAGE);
+
+        RequestParams params = new RequestParams();
+        params.put("id", documentId);
+        params.put("file", is, "file", "application/octet-stream", true);
+        client.put(getApiUrl(context) + "/file", params, responseHandler);
+    }
+
+    /**
+     * Cancel pending requests.
+     *
+     * @param context Context
+     */
+    public static void cancel(Context context) {
+        client.cancelRequests(context, true);
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/resource/ShareResource.java

@@ -0,0 +1,44 @@
+package com.sismics.docs.resource;
+
+import android.content.Context;
+
+import com.loopj.android.http.RequestParams;
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+
+
+/**
+ * Access to /tag API.
+ * 
+ * @author bgamard
+ */
+public class ShareResource extends BaseResource {
+    /**
+     * PUT /share.
+     *
+     * @param context Context
+     * @param documentId Document ID
+     * @param name Name
+     * @param responseHandler Callback
+     */
+    public static void add(Context context, String documentId, String name, JsonHttpResponseHandler responseHandler) {
+        init(context);
+
+        RequestParams params = new RequestParams();
+        params.put("id", documentId);
+        params.put("name", name);
+        client.put(getApiUrl(context) + "/share", params, responseHandler);
+    }
+
+    /**
+     * DELETE /share.
+     *
+     * @param context Context
+     * @param id ID
+     * @param responseHandler Callback
+     */
+    public static void delete(Context context, String id, JsonHttpResponseHandler responseHandler) {
+        init(context);
+
+        client.delete(getApiUrl(context) + "/share/" + id, responseHandler);
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/resource/TagResource.java

@@ -0,0 +1,25 @@
+package com.sismics.docs.resource;
+
+import android.content.Context;
+
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+
+
+/**
+ * Access to /tag API.
+ * 
+ * @author bgamard
+ */
+public class TagResource extends BaseResource {
+    /**
+     * GET /tag/stats.
+     *
+     * @param context Context
+     * @param responseHandler Callback
+     */
+    public static void stats(Context context, JsonHttpResponseHandler responseHandler) {
+        init(context);
+
+        client.get(getApiUrl(context) + "/tag/stats", responseHandler);
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/resource/UserResource.java

@@ -0,0 +1,58 @@
+package com.sismics.docs.resource;
+
+import android.content.Context;
+
+import com.loopj.android.http.RequestParams;
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+
+/**
+ * Access to /user API.
+ * 
+ * @author bgamard
+ */
+public class UserResource extends BaseResource {
+
+    /**
+     * POST /user/login.
+     *
+     * @param context Context
+     * @param username Username
+     * @param password Password
+     * @param responseHandler Callback
+     */
+    public static void login(Context context, String username, String password, JsonHttpResponseHandler responseHandler) {
+        init(context);
+        
+        RequestParams params = new RequestParams();
+        params.put("username", username);
+        params.put("password", password);
+        params.put("remember", "true");
+        client.post(getApiUrl(context) + "/user/login", params, responseHandler);
+    }
+
+    /**
+     * GET /user.
+     *
+     * @param context Context
+     * @param responseHandler Callback
+     */
+    public static void info(Context context, JsonHttpResponseHandler responseHandler) {
+        init(context);
+        
+        RequestParams params = new RequestParams();
+        client.get(getApiUrl(context) + "/user", params, responseHandler);
+    }
+    
+    /**
+     * POST /user/logout.
+     *
+     * @param context Context
+     * @param responseHandler Callback
+     */
+    public static void logout(Context context, JsonHttpResponseHandler responseHandler) {
+        init(context);
+        
+        RequestParams params = new RequestParams();
+        client.post(getApiUrl(context) + "/user/logout", params, responseHandler);
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/service/FileUploadService.java

@@ -0,0 +1,133 @@
+package com.sismics.docs.service;
+
+import android.app.IntentService;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.PowerManager;
+import android.support.v4.app.NotificationCompat;
+import android.support.v4.app.NotificationCompat.Builder;
+import android.util.Log;
+
+import com.sismics.docs.R;
+import com.sismics.docs.event.FileAddEvent;
+import com.sismics.docs.listener.JsonHttpResponseHandler;
+import com.sismics.docs.resource.FileResource;
+
+import org.apache.http.Header;
+import org.json.JSONObject;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import de.greenrobot.event.EventBus;
+
+/**
+ * Service to upload a file to a document in the background.
+ *
+ * @author bgamard
+ */
+public class FileUploadService extends IntentService {
+    private static final String TAG = "FileUploadService";
+
+    private static final int UPLOAD_NOTIFICATION_ID = 1;
+    private static final int UPLOAD_NOTIFICATION_ID_DONE = 2;
+    public static final String PARAM_URI = "uri";
+    public static final String PARAM_DOCUMENT_ID = "documentId";
+
+    private NotificationManager notificationManager;
+    private Builder notification;
+    private PowerManager.WakeLock wakeLock;
+
+    public FileUploadService() {
+        super(FileUploadService.class.getName());
+    }
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+
+        notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
+        notification = new NotificationCompat.Builder(this);
+        PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
+        wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
+    }
+
+    @Override
+    protected void onHandleIntent(Intent intent) {
+        if (intent == null) {
+            return;
+        }
+
+        wakeLock.acquire();
+        try {
+            onStart();
+            handleFileUpload(intent.getStringExtra(PARAM_DOCUMENT_ID), (Uri) intent.getParcelableExtra(PARAM_URI));
+        } catch (Exception e) {
+            Log.e(TAG, "Error uploading the file", e);
+            onError();
+        } finally {
+            wakeLock.release();
+        }
+    }
+
+    /**
+     * Actually uploading the file.
+     *
+     * @param documentId Document ID
+     * @param uri Data URI
+     * @throws IOException
+     */
+    private void handleFileUpload(final String documentId, final Uri uri) throws Exception {
+        final InputStream is = getContentResolver().openInputStream(uri);
+        FileResource.addSync(this, documentId, is, new JsonHttpResponseHandler() {
+            @Override
+            public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                EventBus.getDefault().post(new FileAddEvent(documentId, response.optString("id")));
+                FileUploadService.this.onComplete();
+            }
+
+            @Override
+            public void onAllFailure(int statusCode, Header[] headers, byte[] responseBytes, Throwable throwable) {
+                FileUploadService.this.onError();
+            }
+        });
+    }
+
+    /**
+     * On upload start.
+     */
+    private void onStart() {
+        notification.setContentTitle(getString(R.string.upload_notification_title))
+                .setContentText(getString(R.string.upload_notification_message))
+                .setContentIntent(PendingIntent.getBroadcast(this, 0, new Intent(), PendingIntent.FLAG_UPDATE_CURRENT))
+                .setSmallIcon(R.drawable.ic_file_upload_white_24dp)
+                .setProgress(100, 0, true)
+                .setOngoing(true);
+
+        startForeground(UPLOAD_NOTIFICATION_ID, notification.build());
+    }
+
+    /**
+     * On upload complete.
+     */
+    private void onComplete() {
+        stopForeground(true);
+    }
+
+    /**
+     * On upload error.
+     */
+    private void onError() {
+        stopForeground(false);
+
+        notification.setContentTitle(getString(R.string.upload_notification_title))
+                .setContentText(getString(R.string.upload_notification_error))
+                .setSmallIcon(R.drawable.ic_file_upload_white_24dp)
+                .setProgress(0, 0, false)
+                .setOngoing(false);
+
+        notificationManager.notify(UPLOAD_NOTIFICATION_ID_DONE, notification.build());
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/ui/form/Validable.java

@@ -0,0 +1,63 @@
+package com.sismics.docs.ui.form;
+
+import android.view.View;
+
+import com.sismics.docs.ui.form.validator.ValidatorType;
+
+public class Validable {
+
+    private final ValidatorType[] validatorTypes;
+
+    private View view;
+    
+    private boolean isValidated = false;
+
+    public Validable(ValidatorType... validatorTypes) {
+        this.validatorTypes = validatorTypes;
+    }
+
+    /**
+     * Getter of view.
+     *
+     * @return view
+     */
+    public View getView() {
+        return view;
+    }
+
+    /**
+     * Setter of view.
+     *
+     * @param view view
+     */
+    public void setView(View view) {
+        this.view = view;
+    }
+
+    /**
+     * Getter of isValidated.
+     *
+     * @return isValidated
+     */
+    public boolean isValidated() {
+        return isValidated;
+    }
+
+    /**
+     * Setter of isValidated.
+     *
+     * @param isValidated isValidated
+     */
+    public void setValidated(boolean isValidated) {
+        this.isValidated = isValidated;
+    }
+
+    /**
+     * Getter of validatorTypes.
+     *
+     * @return validatorTypes
+     */
+    public  ValidatorType[] getValidatorTypes() {
+        return validatorTypes;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/ui/form/Validator.java

@@ -0,0 +1,148 @@
+package com.sismics.docs.ui.form;
+
+import android.content.Context;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.view.View;
+import android.widget.EditText;
+
+import com.sismics.docs.listener.CallbackListener;
+import com.sismics.docs.ui.form.validator.ValidatorType;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Utility for form validation.
+ * 
+ * @author bgamard
+ */
+public class Validator {
+
+    /**
+     * List of validable elements.
+     */
+    private Map<EditText, Validable> validables = new HashMap<EditText, Validable>();
+    
+    /**
+     * Callback when the validation of one element has changed.
+     */
+    private CallbackListener onValidationChanged;
+    
+    /**
+     * True if the validator show validation errors.
+     */
+    private boolean showErrors;
+
+    /**
+     * Context.
+     */
+    private Context context;
+    
+    /**
+     * Constructor.
+     *
+     * @param showErrors True to display validation errors
+     */
+    public Validator(Context context, boolean showErrors) {
+        this.context = context;
+        this.showErrors = showErrors;
+    }
+    
+    /**
+     * Setter of onValidationChanged.
+     * @param onValidationChanged onValidationChanged
+     */
+    public void setOnValidationChanged(CallbackListener onValidationChanged) {
+        this.onValidationChanged = onValidationChanged;
+        onValidationChanged.onComplete();
+    }
+
+    /**
+     * Add a validable element.
+     *
+     * @param editText Edit text
+     * @param validatorTypes Validators
+     */
+    public void addValidable(final EditText editText, final ValidatorType... validatorTypes) {
+        final Validable validable = new Validable(validatorTypes);
+        validables.put(editText, validable);
+        
+        editText.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                // NOP
+            }
+            
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+                // NOP
+            }
+            
+            @Override
+            public void afterTextChanged(Editable s) {
+                validate(editText, validable);
+            }
+        });
+    }
+    
+    /**
+     * Returns true if the element is validated.
+     *
+     * @param view View
+     * @return True if the element is validated
+     */
+    public boolean isValidated(View view) {
+        return validables.get(view).isValidated();
+    }
+
+    /**
+     * Validate a specific EditText.
+     *
+     * @param editText EditText
+     * @param validable Validable
+     */
+    private void validate(EditText editText, Validable validable) {
+        validable.setValidated(true);
+        for (ValidatorType validatorType : validable.getValidatorTypes()) {
+            if (!validatorType.validate(editText.getEditableText().toString())) {
+                if (showErrors) {
+                    editText.setError(validatorType.getErrorMessage(context));
+                }
+                validable.setValidated(false);
+                break;
+            }
+        }
+
+        if (validable.isValidated()) {
+            editText.setError(null);
+        }
+
+        if (onValidationChanged != null) {
+            onValidationChanged.onComplete();
+        }
+    }
+
+    /**
+     * Validate everything now.
+     */
+    public void validate() {
+        for (Map.Entry<EditText, Validable> entry : validables.entrySet()) {
+            validate(entry.getKey(), entry.getValue());
+        }
+    }
+
+    /**
+     * Returns true if all elements are validated.
+     *
+     * @return True if all elements are validated
+     */
+    public boolean isValidated() {
+        for (Validable validable : validables.values()) {
+            if (!validable.isValidated()) {
+                return false;
+            }
+        }
+        return true;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/ui/form/validator/Alphanumeric.java

@@ -0,0 +1,28 @@
+package com.sismics.docs.ui.form.validator;
+
+import android.content.Context;
+
+import com.sismics.docs.R;
+
+import java.util.regex.Pattern;
+
+/**
+ * Alphanumeric validator.
+ * 
+ * @author bgamard
+ */
+public class Alphanumeric implements ValidatorType {
+
+    private static Pattern ALPHANUMERIC_PATTERN = Pattern.compile("[a-zA-Z0-9_]+");
+    
+    @Override
+    public boolean validate(String text) {
+        return ALPHANUMERIC_PATTERN.matcher(text).matches();
+    }
+
+    @Override
+    public String getErrorMessage(Context context) {
+        return context.getString(R.string.validate_error_alphanumeric);
+    }
+
+}

docs-android/app/src/main/java/com/sismics/docs/ui/form/validator/Email.java

@@ -0,0 +1,30 @@
+package com.sismics.docs.ui.form.validator;
+
+import android.content.Context;
+
+import com.sismics.docs.R;
+
+import java.util.regex.Pattern;
+
+/**
+ * Email validator.
+ * 
+ * @author bgamard
+ */
+public class Email implements ValidatorType {
+
+    /**
+     * Pattern de validation.
+     */
+    private static Pattern EMAIL_PATTERN = Pattern.compile(".+@.+\\..+");
+    
+    @Override
+    public boolean validate(String text) {
+        return EMAIL_PATTERN.matcher(text).matches();
+    }
+
+    @Override
+    public String getErrorMessage(Context context) {
+        return context.getResources().getString(R.string.validate_error_email);
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/ui/form/validator/Length.java

@@ -0,0 +1,52 @@
+package com.sismics.docs.ui.form.validator;
+
+import android.content.Context;
+
+import com.sismics.docs.R;
+
+/**
+ * Text length validator.
+ * 
+ * @author bgamard
+ */
+public class Length implements ValidatorType {
+
+    /**
+     * Minimum length.
+     */
+    private int minLength = 0;
+    
+    /**
+     * Maximum length.
+     */
+    private int maxLength = 0;
+    
+    /**
+     * True if the last validation error was about a string too short.
+     */
+    private boolean tooShort; 
+    
+    /**
+     * Constructor.
+     * @param minLength Minimum length
+     * @param maxLength Maximum length
+     */
+    public Length(int minLength, int maxLength) {
+        this.minLength = minLength;
+        this.maxLength = maxLength;
+    }
+    
+    @Override
+    public boolean validate(String text) {
+        tooShort = text.trim().length() < minLength;
+        return text.trim().length() >= minLength && text.trim().length() <= maxLength;
+    }
+
+    @Override
+    public String getErrorMessage(Context context) {
+        if (tooShort) {
+            return context.getResources().getString(R.string.validate_error_length_min, minLength);
+        }
+        return context.getResources().getString(R.string.validate_error_length_max, maxLength);
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/ui/form/validator/Required.java

@@ -0,0 +1,24 @@
+package com.sismics.docs.ui.form.validator;
+
+import android.content.Context;
+
+import com.sismics.docs.R;
+
+/**
+ * Text presence validator.
+ * 
+ * @author bgamard
+ */
+public class Required implements ValidatorType {
+
+    @Override
+    public boolean validate(String text) {
+        return text.trim().length() != 0;
+    }
+
+    @Override
+    public String getErrorMessage(Context context) {
+        return context.getString(R.string.validate_error_required);
+    }
+
+}

docs-android/app/src/main/java/com/sismics/docs/ui/form/validator/ValidatorType.java

@@ -0,0 +1,25 @@
+package com.sismics.docs.ui.form.validator;
+
+import android.content.Context;
+
+/**
+ *  Interface for validation types.
+ * 
+ * @author bgamard
+ */
+public interface ValidatorType {
+
+    /**
+     * Returns true if the validator is validated.
+     * @param text
+     * @return
+     */
+    public boolean validate(String text);
+
+    /**
+     * Returns an error message.
+     * @param context
+     * @return
+     */
+    public String getErrorMessage(Context context);
+}

docs-android/app/src/main/java/com/sismics/docs/ui/view/DatePickerView.java

@@ -0,0 +1,70 @@
+package com.sismics.docs.ui.view;
+
+import android.app.DatePickerDialog;
+import android.content.Context;
+import android.text.format.DateFormat;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.DatePicker;
+import android.widget.TextView;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+
+/**
+ * Date picker widget.
+ *
+ * @author bgamard
+ */
+public class DatePickerView extends TextView implements DatePickerDialog.OnDateSetListener {
+
+    private Date date;
+
+    public DatePickerView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    public DatePickerView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        setAttributes();
+    }
+
+    public DatePickerView(Context context) {
+        super(context);
+        setAttributes();
+    }
+
+    private void setAttributes() {
+        setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                final Calendar calendar = Calendar.getInstance();
+                if (date != null) {
+                    calendar.setTime(date);
+                }
+                new DatePickerDialog(
+                        DatePickerView.this.getContext(), DatePickerView.this,
+                        calendar.get(Calendar.YEAR),
+                        calendar.get(Calendar.MONTH),
+                        calendar.get(Calendar.DAY_OF_MONTH)).show();
+            }
+        });
+    }
+ 
+    @Override
+    public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
+        Date date = new GregorianCalendar(year, monthOfYear, dayOfMonth).getTime();
+        setDate(date);
+    }
+
+    public void setDate(Date date) {
+        this.date = date;
+        String formattedDate = DateFormat.getDateFormat(getContext()).format(date);
+        setText(formattedDate);
+    }
+
+    public Date getDate() {
+        return date;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/ui/view/DividerItemDecoration.java

@@ -0,0 +1,81 @@
+package com.sismics.docs.ui.view;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.util.AttributeSet;
+import android.view.View;
+
+/**
+ * Divider item decoration for recycler view.
+ *
+ * @author bgamard
+ */
+public class DividerItemDecoration extends RecyclerView.ItemDecoration {
+
+    private Drawable mDivider;
+
+    public DividerItemDecoration(Context context, AttributeSet attrs) {
+        final TypedArray a = context.obtainStyledAttributes(attrs, new int [] { android.R.attr.listDivider });
+        mDivider = a.getDrawable(0);
+        a.recycle();
+    }
+
+    public DividerItemDecoration(Drawable divider) { mDivider = divider; }
+
+    @Override
+    public void getItemOffsets (Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
+        super.getItemOffsets(outRect, view, parent, state);
+        if (mDivider == null) return;
+        if (parent.getChildPosition(view) < 1) return;
+
+        if (getOrientation(parent) == LinearLayoutManager.VERTICAL) outRect.top = mDivider.getIntrinsicHeight();
+        else outRect.left = mDivider.getIntrinsicWidth();
+    }
+
+    @Override
+    public void onDrawOver(Canvas c, RecyclerView parent) {
+        if (mDivider == null) { super.onDrawOver(c, parent); return; }
+
+        if (getOrientation(parent) == LinearLayoutManager.VERTICAL) {
+            final int left = parent.getPaddingLeft();
+            final int right = parent.getWidth() - parent.getPaddingRight();
+            final int childCount = parent.getChildCount();
+
+            for (int i=1; i < childCount; i++) {
+                final View child = parent.getChildAt(i);
+                final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
+                final int size = mDivider.getIntrinsicHeight();
+                final int top = child.getTop() - params.topMargin;
+                final int bottom = top + size;
+                mDivider.setBounds(left, top, right, bottom);
+                mDivider.draw(c);
+            }
+        } else { //horizontal
+            final int top = parent.getPaddingTop();
+            final int bottom = parent.getHeight() - parent.getPaddingBottom();
+            final int childCount = parent.getChildCount();
+
+            for (int i=1; i < childCount; i++) {
+                final View child = parent.getChildAt(i);
+                final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
+                final int size = mDivider.getIntrinsicWidth();
+                final int left = child.getLeft() - params.leftMargin;
+                final int right = left + size;
+                mDivider.setBounds(left, top, right, bottom);
+                mDivider.draw(c);
+            }
+        }
+    }
+
+    private int getOrientation(RecyclerView parent) {
+        if (parent.getLayoutManager() instanceof LinearLayoutManager) {
+            LinearLayoutManager layoutManager = (LinearLayoutManager) parent.getLayoutManager();
+            return layoutManager.getOrientation();
+        } else throw new IllegalStateException("DividerItemDecoration can only be used with a LinearLayoutManager.");
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/ui/view/EmptyRecyclerView.java

@@ -0,0 +1,57 @@
+package com.sismics.docs.ui.view;
+
+import android.content.Context;
+import android.support.v7.widget.RecyclerView;
+import android.util.AttributeSet;
+import android.view.View;
+
+/**
+ * RecyclerView with empty view support.
+ * Thanks to https://gist.github.com/adelnizamutdinov/31c8f054d1af4588dc5c
+ *
+ * @author Nizamutdinov Adel
+ */
+public class EmptyRecyclerView extends RecyclerView {
+    private View emptyView;
+
+    public EmptyRecyclerView(Context context) { super(context); }
+
+    public EmptyRecyclerView(Context context, AttributeSet attrs) { super(context, attrs); }
+
+    public EmptyRecyclerView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    void checkIfEmpty() {
+        if (emptyView != null) {
+            emptyView.setVisibility(getAdapter().getItemCount() > 0 ? GONE : VISIBLE);
+        }
+    }
+
+    final AdapterDataObserver observer = new AdapterDataObserver() {
+        @Override public void onChanged() {
+            super.onChanged();
+            checkIfEmpty();
+        }
+    };
+
+    @Override public void setAdapter(Adapter adapter) {
+        final Adapter oldAdapter = getAdapter();
+        if (oldAdapter != null) {
+            oldAdapter.unregisterAdapterDataObserver(observer);
+        }
+        super.setAdapter(adapter);
+        if (adapter != null) {
+            adapter.registerAdapterDataObserver(observer);
+        }
+    }
+
+    public void setEmptyView(View emptyView) {
+        // Hide the current empty view
+        if (this.emptyView != null) {
+            this.emptyView.setVisibility(GONE);
+        }
+        this.emptyView = emptyView;
+        checkIfEmpty();
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/ui/view/FileViewPager.java

@@ -0,0 +1,33 @@
+package com.sismics.docs.ui.view;
+
+import android.content.Context;
+import android.support.v4.view.ViewPager;
+import android.util.AttributeSet;
+import android.view.View;
+
+import it.sephiroth.android.library.imagezoom.ImageViewTouch;
+
+/**
+ * ViewPager for files.
+ *
+ * @author bgamard.
+ */
+public class FileViewPager extends ViewPager {
+
+    public FileViewPager(Context context) {
+        super(context);
+    }
+
+    public FileViewPager(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected boolean canScroll(View v, boolean checkV, int dx, int x, int y) {
+        if (v instanceof ImageViewTouch) {
+            return ((ImageViewTouch) v).canScroll(dx);
+        } else {
+            return super.canScroll(v, checkV, dx, x, y);
+        }
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/ui/view/TagsCompleteTextView.java

@@ -0,0 +1,66 @@
+package com.sismics.docs.ui.view;
+
+import android.app.Activity;
+import android.content.Context;
+import android.graphics.Color;
+import android.graphics.PorterDuff;
+import android.graphics.drawable.Drawable;
+import android.text.InputFilter;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import com.sismics.docs.R;
+import com.tokenautocomplete.TokenCompleteTextView;
+
+import org.json.JSONObject;
+
+/**
+ * Auto-complete text view displaying tags.
+ *
+ * @author bgamard
+ */
+public class TagsCompleteTextView extends TokenCompleteTextView {
+    public TagsCompleteTextView(Context context) {
+        super(context);
+        init();
+    }
+
+    public TagsCompleteTextView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    public TagsCompleteTextView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        init();
+    }
+
+    private void init() {
+        setFilters(new InputFilter[] {});
+    }
+
+    @Override
+    protected View getViewForObject(Object object) {
+        JSONObject tag = (JSONObject) object;
+
+        LayoutInflater inflater = (LayoutInflater)getContext().getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
+        View view = inflater.inflate(R.layout.tag_autocomplete_token, (ViewGroup) getParent(), false);
+        TextView textView = (TextView) view.findViewById(R.id.tagTextView);
+        textView.setText(tag.optString("name"));
+
+        Drawable drawable = textView.getCompoundDrawables()[0].mutate();
+        drawable.setColorFilter(Color.parseColor(tag.optString("color")), PorterDuff.Mode.MULTIPLY);
+        textView.setCompoundDrawables(drawable, null, null, null);
+        textView.invalidate();
+
+        return view;
+    }
+
+    @Override
+    protected Object defaultObject(String completionText) {
+        return completionText;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/util/ApplicationUtil.java

@@ -0,0 +1,43 @@
+package com.sismics.docs.util;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager.NameNotFoundException;
+
+/**
+ * Utility class on general application data.
+ * 
+ * @author bgamard
+ */
+public class ApplicationUtil {
+
+    /**
+     * Returns version name.
+     * 
+     * @param context Context
+     * @return Nom de la version
+     */
+    public static String getVersionName(Context context) {
+        try {
+            PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
+            return packageInfo.versionName;
+        } catch (NameNotFoundException e) {
+            return "";
+        }
+    }
+
+    /**
+     * Returns version number.
+     * 
+     * @param context Context
+     * @return Numéro de version
+     */
+    public static int getVersionCode(Context context) {
+        try {
+            PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
+            return packageInfo.versionCode;
+        } catch (NameNotFoundException e) {
+            return 0;
+        }
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/util/DialogUtil.java

@@ -0,0 +1,40 @@
+package com.sismics.docs.util;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+
+import com.sismics.docs.R;
+
+/**
+ * Utility class for dialogs.
+ * 
+ * @author bgamard
+ */
+public class DialogUtil {
+
+    /**
+     * Create a dialog with an OK button.
+     *
+     * @param activity Context activity
+     * @param title Dialog title
+     * @param message Dialog message
+     */
+    public static void showOkDialog(Activity activity, int title, int message) {
+        if (activity == null || activity.isFinishing()) {
+            return;
+        }
+        
+        AlertDialog.Builder builder = new AlertDialog.Builder(activity);
+        
+        builder.setTitle(title)
+        .setMessage(message)
+        .setCancelable(true)
+        .setNeutralButton(R.string.ok, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                dialog.dismiss();
+            }
+        }).create().show();
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/util/PreferenceUtil.java

@@ -0,0 +1,166 @@
+package com.sismics.docs.util;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.Editor;
+import android.preference.PreferenceManager;
+
+import com.loopj.android.http.PersistentCookieStore;
+
+import org.apache.http.cookie.Cookie;
+import org.json.JSONObject;
+
+import java.util.List;
+
+/**
+ * Utility class on preferences.
+ * 
+ * @author bgamard
+ */
+public class PreferenceUtil {
+
+    public static final String PREF_CACHED_USER_INFO_JSON = "pref_cachedUserInfoJson";
+    public static final String PREF_CACHED_TAGS_JSON = "pref_cachedTagsJson";
+    public static final String PREF_SERVER_URL = "pref_ServerUrl";
+    public static final String PREF_CACHE_SIZE = "pref_cacheSize";
+
+    /**
+     * Returns a preference of boolean type.
+     * @param context Context
+     * @param key Shared preference key
+     * @return Shared preference value
+     */
+    public static boolean getBooleanPreference(Context context, String key, boolean defaultValue) {
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+        return sharedPreferences.getBoolean(key, defaultValue);
+    }
+    
+    /**
+     * Returns a preference of string type.
+     * @param context Context
+     * @param key Shared preference key
+     * @return Shared preference value
+     */
+    public static String getStringPreference(Context context, String key) {
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+        return sharedPreferences.getString(key, null);
+    }
+    
+    /**
+     * Returns a preference of integer type.
+     * @param context Context
+     * @param key Shared preference key
+     * @return Shared preference value
+     */
+    public static int getIntegerPreference(Context context, String key, int defaultValue) {
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+        try {
+            String pref = sharedPreferences.getString(key, "");
+            try {
+                return Integer.parseInt(pref);
+            } catch (NumberFormatException e) {
+                return defaultValue;
+            }
+        } catch (ClassCastException e) {
+            return sharedPreferences.getInt(key, defaultValue);
+        }
+        
+    }
+    
+    /**
+     * Update JSON cache.
+     * @param context Context
+     * @param key Shared preference key
+     * @param json JSON data
+     */
+    public static void setCachedJson(Context context, String key, JSONObject json) {
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+        sharedPreferences.edit().putString(key, json != null ? json.toString() : null).apply();
+    }
+    
+    /**
+     * Returns a JSON cache.
+     * @param context Context
+     * @param key Shared preference key
+     * @return JSON data
+     */
+    public static JSONObject getCachedJson(Context context, String key) {
+        try {
+            return new JSONObject(getStringPreference(context, key));
+        } catch (Exception e) {
+            // The cache is not parsable, clean this up
+            setCachedJson(context, key, null);
+            return null;
+        }
+    }
+    
+    /**
+     * Update server URL.
+     * @param context Context
+     */
+    public static void setServerUrl(Context context, String serverUrl) {
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+        sharedPreferences.edit().putString(PREF_SERVER_URL, serverUrl).apply();
+    }
+    
+    /**
+     * Empty user caches.
+     * @param context Context
+     */
+    public static void resetUserCache(Context context) {
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
+        Editor editor = sharedPreferences.edit();
+        editor
+                .putString(PREF_CACHED_USER_INFO_JSON, null)
+                .putString(PREF_CACHED_TAGS_JSON, null)
+                .apply();
+    }
+    
+    /**
+     * Returns auth token cookie from shared preferences.
+     * @return Auth token
+     */
+    public static String getAuthToken(Context context) {
+        PersistentCookieStore cookieStore = new PersistentCookieStore(context);
+        List<Cookie> cookieList = cookieStore.getCookies();
+        for (Cookie cookie : cookieList) {
+            if (cookie.getName().equals("auth_token")) {
+                return cookie.getValue();
+            }
+        }
+        
+        return null;
+    }
+
+    /**
+     * Returns cleaned server URL.
+     * @param context Context
+     * @return Server URL
+     */
+    public static String getServerUrl(Context context) {
+        String serverUrl = getStringPreference(context, PREF_SERVER_URL);
+        if (serverUrl == null) {
+            return null;
+        }
+        
+        // Trim
+        serverUrl = serverUrl.trim();
+        
+        if (!serverUrl.startsWith("http")) {
+            // Try to add http
+            serverUrl = "http://" + serverUrl;
+        }
+        
+        if (serverUrl.endsWith("/")) {
+            // Delete last /
+            serverUrl = serverUrl.substring(0, serverUrl.length() - 1);
+        }
+        
+        // Remove /api
+        if (serverUrl.endsWith("/api")) {
+            serverUrl = serverUrl.substring(0, serverUrl.length() - 4);
+        }
+        
+        return serverUrl;
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/util/SearchQueryBuilder.java

@@ -0,0 +1,151 @@
+package com.sismics.docs.util;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+/**
+ * Search query builder.
+ *
+ * @author bgamard.
+ */
+public class SearchQueryBuilder {
+    /**
+     * The query.
+     */
+    private StringBuilder query;
+
+    /**
+     * Search separator.
+     */
+    private static String SEARCH_SEPARATOR = " ";
+
+    /**
+     * Search date format.
+     */
+    private SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
+
+    /**
+     * Build a query.
+     */
+    public SearchQueryBuilder() {
+        query = new StringBuilder();
+    }
+
+    /**
+     * Add a simple search criteria.
+     *
+     * @param simpleSearch Simple search criteria
+     * @return The builder
+     */
+    public SearchQueryBuilder simpleSearch(String simpleSearch) {
+        if (isValid(simpleSearch)) {
+            query.append(SEARCH_SEPARATOR).append(simpleSearch);
+        }
+        return this;
+    }
+
+    /**
+     * Add a fulltext search criteria.
+     *
+     * @param fulltextSearch Fulltext search criteria
+     * @return The builder
+     */
+    public SearchQueryBuilder fulltextSearch(String fulltextSearch) {
+        if (isValid(fulltextSearch)) {
+            query.append(SEARCH_SEPARATOR)
+                    .append("full:")
+                    .append(fulltextSearch);
+        }
+        return this;
+    }
+
+    /**
+     * Add a language criteria.
+     *
+     * @param language Language criteria
+     * @return The builder
+     */
+    public SearchQueryBuilder language(String language) {
+        if (isValid(language)) {
+            query.append(SEARCH_SEPARATOR)
+                    .append("lang:")
+                    .append(language);
+        }
+        return this;
+    }
+
+    /**
+     * Add a shared criteria.
+     *
+     * @param shared Shared criteria
+     * @return The builder
+     */
+    public SearchQueryBuilder shared(boolean shared) {
+        if (shared) {
+            query.append(SEARCH_SEPARATOR).append("shared:yes");
+        }
+        return this;
+    }
+
+    /**
+     * Add a tag criteria.
+     *
+     * @param tag Tag criteria
+     * @return The builder
+     */
+    public SearchQueryBuilder tag(String tag) {
+        query.append(SEARCH_SEPARATOR)
+                .append("tag:")
+                .append(tag);
+        return this;
+    }
+
+    /**
+     * Add a before date criteria.
+     *
+     * @param before Before date criteria
+     * @return The builder
+     */
+    public SearchQueryBuilder before(Date before) {
+        if (before != null) {
+            query.append(SEARCH_SEPARATOR)
+                    .append("before:")
+                    .append(DATE_FORMAT.format(before));
+        }
+        return this;
+    }
+
+    /**
+     * Add an after date criteria.
+     *
+     * @param after After date criteria
+     * @return The builder
+     */
+    public SearchQueryBuilder after(Date after) {
+        if (after != null) {
+            query.append(SEARCH_SEPARATOR)
+                    .append("after:")
+                    .append(DATE_FORMAT.format(after));
+        }
+        return this;
+    }
+
+    /**
+     * Build the query.
+     *
+     * @return The query
+     */
+    public String build() {
+        return query.toString();
+    }
+
+    /**
+     * Return true if the search criteria is valid.
+     *
+     * @param criteria Search criteria
+     * @return True if the search criteria is valid
+     */
+    private boolean isValid(String criteria) {
+        return criteria != null && !criteria.trim().isEmpty();
+    }
+}

docs-android/app/src/main/java/com/sismics/docs/util/TagUtil.java

@@ -0,0 +1,39 @@
+package com.sismics.docs.util;
+
+import android.graphics.Color;
+import android.text.Spannable;
+import android.text.SpannableStringBuilder;
+import android.text.Spanned;
+import android.text.style.BackgroundColorSpan;
+import android.text.style.ForegroundColorSpan;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+/**
+ * Utility class for tags.
+ *
+ * @author bgamard.
+ */
+public class TagUtil {
+    /**
+     * Create a colored spannable from tags.
+     *
+     * @param tags Tags
+     * @return Colored spannable
+     */
+    public static Spannable buildSpannable(JSONArray tags) {
+        SpannableStringBuilder builder = new SpannableStringBuilder();
+
+        for (int i = 0; i < tags.length(); i++) {
+            JSONObject tag = tags.optJSONObject(i);
+            int start = builder.length();
+            builder.append(" ").append(tag.optString("name")).append(" ");
+            builder.setSpan(new ForegroundColorSpan(Color.WHITE), start, builder.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+            builder.setSpan(new BackgroundColorSpan(Color.parseColor(tag.optString("color"))), start, builder.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+            builder.append(" ");
+        }
+
+        return builder;
+    }
+}