Roll No. ..........................
Total Pages : 03
MCA/M-24 24529
MOBILE APPLICATION DEVELOPMENT
MCA-20-43
Time : Three Hours] [Maximum Marks : 75
Note : Attempt Five questions in all, selecting one question
from each Unit. Q. No. 1 is compulsory. All questions
carry equal marks.
(Compulsory Question)
1. (a) Define Android Virtual Devices (AVD).
(b) Discuss the need of permissions in Android.
Describe the permissions to set system functionalities
like Internet.
(b) What is the purpose of using toggle buttons ?
(c) Define persistent storage.
(d) How Fragment is different from Activity ? 5×3=15
Unit I
2. (a) Explain the MVC pattern of mobile application. 8
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(b) What is Android ? Describe the features of Unit IV
Android. 7 8. Explain SQLite. Write steps to create, open and close the
3. (a) List out any two layouts with suitable examples. 8 database cursors. 15
(b) Describe Android File Structure. 7 9. (a) How to store data internally in Android
Unit II application ? 10
4. What is Intent ? Explain the types of intents in android (b) How to show shadow effects in Android
with example. 15 application ? 5
5. (a) What is the difference between RadioButton and
CheckBox in android ? Explain with example. 10
(b) Describe callbacks and override in android. 5
Unit III
6. (a) Write an android application to play an audio
file. 10
(b) Write a short note on client server application. 5
7. (a) Explain the life-cycle of Fragment. 10
(b) How MapView is different from MapActivity ? 5
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