apply plugin: 'com.android.library' android { compileSdkVersion 28 defaultConfig { minSdkVersion 14 targetSdkVersion 28 versionCode 1 versionName "1.0" } buildTypes { M50T60Debug {} M50T60Release {} debug {} release {} } } dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) implementation 'com.android.support:appcompat-v7:28.0.0' }