apply plugin: 'com.android.library' android { compileSdkVersion 21 buildToolsVersion '28.0.3' defaultConfig { minSdkVersion 8 targetSdkVersion 21 versionCode 1 versionName "1.0" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } productFlavors { } } dependencies { compile fileTree(include: ['*.jar'], dir: 'libs') }