Correct Answer : Yes
Explanation : Yes, an android app can be developed in C/C++ also using android NDK (Native Development Kit). It makes the performance faster. It should be used with Android SDK.
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..