apply plugin: 'com.android.library' android { compileSdkVersion compile_version defaultConfig { minSdkVersion min_version targetSdkVersion target_version versionCode 1 versionName "1.0" testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } } dependencies { implementation 'androidx.legacy:legacy-support-v4:1.0.0' androidTestImplementation('androidx.test.espresso:espresso-core:3.1.0', { exclude group: 'com.android.support', module: 'support-annotations' }) implementation 'androidx.appcompat:appcompat:1.0.0' implementation 'androidx.constraintlayout:constraintlayout:1.1.3' testImplementation 'junit:junit:4.12' api 'com.google.zxing:core:3.3.0' }