Init Android project

docs-android/app/build.gradle

@@ -0,0 +1,40 @@
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:0.7.+'
+    }
+}
+apply plugin: 'android'
+
+repositories {
+    mavenCentral()
+}
+
+android {
+    compileSdkVersion 19
+    buildToolsVersion "19.0.0"
+
+    defaultConfig {
+        minSdkVersion 14
+        targetSdkVersion 19
+        versionCode 1
+        versionName "1.0"
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
+    buildTypes {
+        release {
+            runProguard false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
+        }
+    }
+}
+
+dependencies {
+    compile 'com.android.support:support-v4:18.0.0'
+}