What is the difference between a Broadcast Receiver and an Intent Filter?

Which are true with regard to an AsyncTask class.

With regard to Android Wear, what is Ambient Mode?

Which Java build process allows for Android projects with more than 65k method calls?

What is the purpose of Volley?

If required during the build process, where should sensitive information such as API Keys, keystore passwords and VCS login details be kept when using Android Studio?

Consider the code snippet below: public class MyReceiver extends PhoneStateIntentReceiver { @Override public void onReceiveIntent(Context context, Intent intent) { if (intent.action == Intent.CALL_ACTION) { } } } Assuming that notifyPhoneCallState has been called to enable MyReceiver to receive notifications about the phone call states, in which of the following cases will the code in get executed?

Which fields of the Message class should be used to store custom message codes about the Message?

How to save the unsaved data and release resources being used by an Android application?

Which Integrated Development Environments can be used for developing software applications for the Android platform?

Which life-cycle method of an Activity that can be implemented to perform various operations during the lifetime of an Activity?