What is the ListActivity class used for?

Which one can you use to add items to the screen menu?

Which are UI elements that you can use in a window in an Android application?

Which is NOT a life-cycle methods of an Activity that can be implemented to perform various operations during the lifetime of an Activity?

Which are correct with regards to signing applications? a) All applications must be signed. b) No certificate authority is needed. c) When releasing application special debug key that is created by the Android SDK build tools can be used.

What's the output? SensorManager mgr = (SensorManager) getSystemService(SENSOR_SERVICE); List sensors = mgr.getSensorList(Sensor.TYPE_ALL); for (Sensor sensor : sensors) { System.out.println(''''+sensor.getName()); }

What is Retrofit?

What does a strikethrough formatting indicate in Android Studio?

Where should layouts be defined wherever possible?

What is a Master Detail pattern?

When does ANR occur?