apply plugin: 'com.android.library' android { compileSdkVersion 28 defaultConfig { minSdkVersion 19 targetSdkVersion 28 versionCode 56 versionName "2.1" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } } dependencies { api "com.android.support:appcompat-v7:28.0.0" testApi 'junit:junit:4.12' }