Correct Answer : Android debug bridge
Explanation : ADB stands for Android Debug Bridge. It is a command-line tool that is used to communicate with the emulator instance.
Correct Answer : Fragments
Explanation : In android mini-activities are also known as Fragments
Correct Answer : startActivityForResult()
Explanation : startActivityForResult() should use when need to pass data back from an activity.
Correct Answer : onCreate() callback
Explanation : Android system initiates its program with in an Activity starting with a call on onCreate() callback method..