apply plugin: 'com.android.library' android { compileSdkVersion 19 buildToolsVersion "21.1.2" defaultConfig { minSdkVersion 8 targetSdkVersion 19 } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt' } } } dependencies { compile 'com.android.support:support-v4:19.1.0' }