apply plugin: 'com.android.application' android { lintOptions { checkReleaseBuilds false } compileSdkVersion 28 buildToolsVersion '28.0.3' defaultConfig { applicationId 'com.remote.app' minSdkVersion 14 targetSdkVersion 21 versionCode 1 versionName "1.0" } buildTypes { release { minifyEnabled true proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } } dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) implementation ('io.socket:socket.io-client:0.8.3') { // excluding org.json which is provided by Android exclude group: 'org.json', module: 'json' } implementation 'com.android.support:support-compat:28.0.0' }