apply plugin: 'com.android.application' android { compileSdkVersion 26 defaultConfig { applicationId "" minSdkVersion 14 targetSdkVersion 14 versionCode 1 versionName "1.0" testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } sourceSets { main { java { exclude '' } } } } dependencies { implementation fileTree(dir: 'libs', include: ['*.jar']) implementation 'com.android.support.constraint:constraint-layout:1.0.2' implementation 'com.android.support:support-v4:26.1.0' testImplementation 'junit:junit:4.12' androidTestImplementation 'com.android.support.test:runner:1.0.1' androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1' }