BCA Semester 6 – Mobile Programming – Unit 4: Android Activity (4Hrs)

Question 1

What is an event? How many ways to handle events in android programming?

Marks: 5

Year: 2021 Final TU FOHSS

Event (Definition) An event is an action or occurrence generated by the user or system that the Android application responds to. Events are usually triggered by user interactions with the UI. Exampl

Question 2

How do you find a view element in your program? Which dialog boxes can you use in your android application?

Marks: 5

Year: 2021 Final TU FOHSS

1. Finding a View Element in Android To access or manipulate a UI component (view) in an Android application, you use the findViewById() method. Steps: 1. Assign an ID to the view in the XML layout: x

Question 3

Develop an android application to input your Name, Age, gender and other personal information. Pass and display this information in another activity.

Marks: 10

Year: 2021 Final TU FOHSS

1. XML Layout for MainActivity (activitymain.xml) xml <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layoutwidth="matchparent" android:layoutheight="matchpare

Question 4

What are the uses of fragments? How fragments are differing from activity?

Marks: 5

Year: 2023 Final TU FOHSS

1. Uses of Fragments Fragments are modular sections of an activity that have their own lifecycle, UI, and behavior. They are used to create flexible and reusable UI components. Key Uses: - Modular UI

Question 5

Develop an android application to display a list of students (studentname) in ListView and display the student details (roll, name and address) in a fragment when a ListView item is selected.

Marks: 10

Year: 2023 Final TU FOHSS

1. XML Layouts 1.1 Activity Layout (activitymain.xml) xml <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layoutwidth="matchparent" android:layoutheight="matc

Question 6

Why fragment is needed in android? Write a java code only to send data from one activity to another activity using implicit intent.

Marks: 5

Year: 2024 Final TU FOHSS

1. Why Fragment is Needed in Android Definition: A fragment is a modular and reusable UI component that represents a portion of an activity. Key Points: - Fragments allow dynamic and flexible UI d