Download JNTUH MCA 4th Sem R19 2022 March-April 864AB Mobile Application Development Question Paper

FirstRanker.com

Code No: 864AB

R19

--- Content provided by⁠ FirstRanker.com ---

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA IV Semester Examinations, March/April - 2022

MOBILE APPLICATION DEVELOPMENT

Time: 3 Hours Max.Marks:75

Answer any five questions

--- Content provided by​ FirstRanker.com ---

All questions carry equal marks

1. a) Explain the features of Android.
   b) What is SDK? Explain in detail. [8+7]
2. Write code to create activity in Android and explain how to state change in activity of Android. [15]
3. What is fragment in Android? Explain its life cycle. [15]

--- Content provided by‍ FirstRanker.com ---

4. Create user interface in Android and handle button events. [15]
5. What is intent? Explain implicit and explicit intents and write code to send SMS using intent. [15]
6. Explain the steps to create notification in Android and illustrate with an example. [15]
7. What is shared preference and explain how data is retrieved and saved into shared preference. [15]
8. Describe SQLite open helper class and explain how data is deleted from SQLite using Android. [15]

--- Content provided by FirstRanker.com ---

---00000---