androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
implementation files('libs/log4j-1.2.17.jar')
implementation files('libs/android-logging-log4j-1.0.3.jar')
+ implementation files('libs/android-mail-1.5.5.jar')
+ implementation files('libs/android-activation-1.5.5.jar')
+ implementation 'com.android.support:design:27.1.1'
}