apply plugin: 'com.android.library' android { compileSdkVersion 19 buildToolsVersion '25.0.0' defaultConfig { minSdkVersion 3 targetSdkVersion 17 } lintOptions { abortOnError false } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt' } } }