apply plugin: 'com.android.library' android { compileSdkVersion 25 buildToolsVersion "25.0.3" defaultConfig { minSdkVersion 9 targetSdkVersion 9 } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt' } } } dependencies { compile 'com.android.support:support-v4:25.1.0' }