Android Interview Question Answer

I have added some basic questions and answers to this blog.

Q. What is the Intent?

The intent is used to navigate from one activity to another activity and is also used to get user input. The intent is the message that is passed between components such as activities, content providers, broadcast receivers, services, etc.

Q. What is manifest?

The AndroidManifest.xml file contains information about your package, including components of the application such as activities, services, broadcast receivers, content providers, etc.

Q. What is an adapter?

The adapter is used to bind data and show listings to the screen.

Q. What are services?

A Service is an application component that can perform long-running operations in the background. It does not provide a user interface. … For example, a service can handle network transactions, play music, perform file I/O, or interact with a content provider, all from the background.

Q. What is an abstract class?

An abstract class is a class that is declared abstract — it may or may not include abstract methods. Abstract classes cannot be instantiated, but they can be subclassed.

An abstract method is a method that is declared without an implementation (without braces, and followed by a semicolon)