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Kickstart Modern Android Development with Jetpack and Kotlin

You're reading from  Kickstart Modern Android Development with Jetpack and Kotlin

Product type Book
Published in May 2022
Publisher Packt
ISBN-13 9781801811071
Pages 472 pages
Edition 1st Edition
Languages
Author (1):
Catalin Ghita Catalin Ghita
Profile icon Catalin Ghita

Table of Contents (17) Chapters

Preface 1. Part 1: Exploring the Core Jetpack Suite and Other Libraries
2. Chapter 1: Creating a Modern UI with Jetpack Compose 3. Chapter 2: Handling UI State with Jetpack ViewModel 4. Chapter 3: Displaying Data from REST APIs with Retrofit 5. Chapter 4: Handling Async Operations with Coroutines 6. Chapter 5: Adding Navigation in Compose With Jetpack Navigation 7. Part 2: A Guide to Clean Application Architecture with Jetpack Libraries
8. Chapter 6: Adding Offline Capabilities with Jetpack Room 9. Chapter 7: Introducing Presentation Patterns in Android 10. Chapter 8: Getting Started with Clean Architecture in Android 11. Chapter 9: Implementing Dependency Injection with Jetpack Hilt 12. Chapter 10: Test Your App with UI and Unit Tests 13. Part 3: Diving into Other Jetpack Libraries
14. Chapter 11: Creating Infinite Lists with Jetpack Paging and Kotlin Flow 15. Chapter 12: Exploring the Jetpack Lifecycle Components 16. Other Books You May Enjoy

Introducing the Jetpack Lifecycle components

It's no secret by now that components within the Android framework have certain lifecycles that we must respect when we need to interact with them. The most common components that own a lifecycle are Activity and Fragment.

As programmers, we cannot control the lifecycle of Android components because their lifecycle is defined and controlled by the system or the way Android works.

Going back to Lifecycle components, a very good example is the entry point to our Android application, represented by the Activity component, which, as we know, possesses a lifecycle. This means that in order to create a screen in our Android application, we need to create an Activity component – from this point on, all our components must be aware of its lifecycle to not leak any memory.

Now, when we say that Activity has a system-defined lifecycle, this actually translates into our Activity class inheriting from ComponentActivity(), which...

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