apply plugin: 'com.android.library' android { compileSdkVersion 26 defaultConfig { minSdkVersion 18 targetSdkVersion 26 versionCode 1 versionName "1.0" testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' } } lintOptions { abortOnError false } } dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) implementation files('libs/netty-all-4.1.23.Final.jar') }