Download JNTUH MCA 4th Sem R19 2021 July-August 864AB Mobile Application Development Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R19 2021 July-August 864AB Mobile Application Development Previous Question Paper

R19

Code No: 864AB















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

2021 MCA IV Semester Examinations, July/August - 2021

MOBILE APPLICATION DEVELOPMENT

Time: 3 Hours















Max.Marks:75

Answer any five questions

All questions carry equal marks

- - -



1.

What are the challenges of android application developments and how to mitigate
them?



















[15]



2.

Explain in detail about all the android application components.





[15]


3.

Create an android activity that displays a dialog box which contains a progress bar that
shows a file downloading percentage. Time duration of file download is 30 seconds.

[15]



4.

Develop a simple calculator application using table layout.





[15]


5.

Explain the step-by-step procedure with a simple program for creating and displaying
notifications in android.















[15]



6.

Explain with the help of a program how you can send and receive SMS from your
application without using built-in SMS of android.







[15]


7.

How do you create, save, retrieve and clear data using shared preferences? Explain.

























[15]



8.

Build a GUI for Student table with 5 records, write queries to add delete and view the
records from the SQLite databases.











[15]




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