apply plugin: 'com.android.application' android { compileSdkVersion 'Google Inc.:Google APIs:23' buildToolsVersion "23.0.2" defaultConfig { applicationId "com.example.arial.downloaddemo" minSdkVersion 15 targetSdkVersion 23 versionCode 1 versionName "1.0" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } } dependencies { compile fileTree(include: ['*.jar'], dir: 'libs') testCompile 'junit:junit:4.12' compile 'com.android.support:appcompat-v7:23.+' compile 'com.android.support:design:23.+' compile project(':downloadutil') }