A full build.gradle

build.gradle

apply plugin: 'android'

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    
    // Google Play Services
    compile 'com.google.android.gms:play-services:4.4.52'

    // Support Libraries
    compile 'com.android.support:support-v4:20.+'
    compile 'com.android.support:appcompat-v7:20.+'
    compile 'com.android.support:gridlayout-v7:19.1.0'
    compile 'com.android.support:mediarouter-v7:19.1.0'
    compile 'com.android.support:support-v13:20.+'

    // GSON
    compile 'com.google.code.gson:gson:2.2.4'

    // koush ion
    compile 'com.koushikdutta.ion:ion:1.2.4'

    // image zoom
    compile 'it.sephiroth.android.library.imagezoom:library:+'

    // picasso
    compile 'com.squareup.picasso:picasso:2.1.1'

    // flat buttons
    compile 'info.hoang8f:fbutton:1.0.1'

    // quickutils
    compile 'com.cesarferreira.quickutils:library:1.+'
    
    // bootstrap
    compile 'com.cesarferreira.androidbootstrap:library:1.+'


}


android {

    packagingOptions {
        exclude 'META-INF/DEPENDENCIES.txt'
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/NOTICE.txt'
        exclude 'META-INF/NOTICE'
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/DEPENDENCIES'
        exclude 'META-INF/notice.txt'
        exclude 'META-INF/license.txt'
        exclude 'META-INF/dependencies.txt'
        exclude 'META-INF/LGPL2.1'
    }

    compileSdkVersion 19
    buildToolsVersion '19.1.0'

    compileSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
    buildToolsVersion project.ANDROID_BUILD_TOOLS_VERSION

    defaultConfig {
        versionName project.VERSION_NAME

        minSdkVersion Integer.parseInt(project.ANDROID_BUILD_MIN_SDK_VERSION)
        targetSdkVersion Integer.parseInt(project.ANDROID_BUILD_TARGET_SDK_VERSION)

        renderscriptTargetApi 19
        renderscriptSupportMode true
    }
    buildTypes {
        release {
            runProguard false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
        }
    }
}

gradle.properties

ANDROID_BUILD_MIN_SDK_VERSION=15
ANDROID_BUILD_TARGET_SDK_VERSION=20
ANDROID_BUILD_TOOLS_VERSION=20
ANDROID_BUILD_SDK_VERSION=20