HARMAN interview question

4 Telephonic round Root layout for all layouts Application class activitycontext and applicationcontext difference one activity to another... states launch modes in android why framelayout is root what is root layout difference between frame layout n linear layout linear layout and relative layout difference communication between 2 fragments 3 rows 1 - 2 col 2 - 3 col 3 - 0 col implementation custom broadcast receiver tabular view grid layout and grid view