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

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R19 2022 March-April 864AB Mobile Application Development Previous Question Paper

R19

Code No: 864AB















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

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]


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 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]




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