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Mastering Android Development with Kotlin

You're reading from   Mastering Android Development with Kotlin Deep dive into the world of Android to create robust applications with Kotlin

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Product type Paperback
Published in Nov 2017
Publisher Packt
ISBN-13 9781788473699
Length 378 pages
Edition 1st Edition
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Author (1):
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Miloš Vasić Miloš Vasić
Author Profile Icon Miloš Vasić
Miloš Vasić
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Table of Contents (17) Chapters Close

Preface 1. Starting with Android FREE CHAPTER 2. Building and Running 3. Screens 4. Connecting Screen Flow 5. Look and Feel 6. Permissions 7. Working with Databases 8. Android Preferences 9. Concurrency in Android 10. Android Services 11. Messaging 12. Backend and API 13. Tuning Up for High Performance 14. Testing 15. Migration to Kotlin 16. Deploying Your Application

Understanding Android Looper

Let's explain the Looper class. We used it in previous examples but we did not explain it in details.

Looper represents a class that is used to execute messages or runnable instances in a queue. Ordinary threads do not have any queue like the Looper class has.

Where we can use the Looper class? For the execution of multiple messages or runnable instances, Looper is needed! One example of use can be adding new tasks to the queue while, at the same time, the operation of task processing is running.

Preparing the Looper

To use the Looper class, we must first call the prepare() method. When Looper is prepared, we can use the loop() method. This method is used to create a message loop in the current...

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