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Android Process and Threads Lecture

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Questions and Answers

What is the highest priority type of process?

Background

Foreground (correct)

Empty

Service

What happens when the first component of an App is run and there is currently no process for that App?

The App is shut down

The system crashes

The old process is removed to reclaim memory

A new process is created (correct)

What is the main purpose of removing old processes?

To reduce system crashes

To improve system performance

To free up memory for new or more important processes (correct)

To enhance user experience

What happens when the onStop() method is called on a process?

The process is considered a background process Signup and view all the answers

What is the purpose of the interrupt() or join() methods in thread management?

To stop a thread Signup and view all the answers

What exception is thrown when a thread tries to access a view hierarchy that it did not create?

CalledFromWrongThreadException Signup and view all the answers

How can a thread be stopped?

By calling the interrupt() or join() method Signup and view all the answers

What is the main difference between a foreground process and a background process?

Foreground processes are involved in on-going interactions, while background processes are not Signup and view all the answers

What is the purpose of a service process?

To perform background tasks Signup and view all the answers

What is the lowest priority type of process?

Empty Signup and view all the answers