mobile application development 2021-2023 question papers

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DECEMBER 2022 P/ID 17642/PCAEN

Time : Three hours Maximum : 80 marks PART A — (10 × 2 = 20 marks) Answer any TEN questions.

1. List down the versions of Android.
2. Define: Android SDK.
3. What is implicit intent?
4. Distinguish between fragments and activities.
5. How to hide activity title?
6. Define : Timepicker.
7. How to create a Togglebutton?
8. What are the attributes of checkbox control?
9. Define the term ImageSwitcher.
10. How to navigate to a specific location?
11. What is binary data?
12. Define: JSON.

2 P/ID 17642/PCAEN

PART B — (5 × 6 = 30 marks) Answer any FIVE questions. 13. How to publish an Android application? Discuss. 14. Develop an Android application to display progress dialog. 15. Compare the differences between relative and linear layout. 16. Discuss in detail about spinner control. 17. How to save data to external storage in Android? Explain. 18. Explain zoom control properties in location services. 19. Write a note on asynchronous tasks. PART C — (3 × 10 = 30 marks) Answer any THREE questions. 20. Explain the steps involved in creating Android virtual device. 21. Elaborate on fragments in Android. 22. Describe about options menu in Android.