apply plugin: 'com.android.library' android { compileSdkVersion 30 buildToolsVersion "31.0.0-rc3" defaultConfig { minSdkVersion 14 targetSdkVersion 30 versionCode 1 versionName "1.0" testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } } dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) androidTestImplementation('androidx.test.espresso:espresso-core:3.3.0-alpha02', { exclude group: 'com.android.support', module: 'support-annotations' }) testImplementation 'junit:junit:4.12' implementation 'androidx.legacy:legacy-support-v4:1.0.0' }