apply plugin: 'com.android.library' android { compileSdkVersion 29 buildToolsVersion '29.0.0' defaultConfig { minSdkVersion 20 targetSdkVersion 22 versionCode 1 versionName "1.0" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } productFlavors { } } dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) testCompile 'junit:junit:4.12' }