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Kickstart Modern Android Development with Jetpack and Kotlin

You're reading from   Kickstart Modern Android Development with Jetpack and Kotlin Enhance your applications by integrating Jetpack and applying modern app architectural concepts

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Product type Paperback
Published in May 2022
Publisher Packt
ISBN-13 9781801811071
Length 472 pages
Edition 1st Edition
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Catalin Ghita Catalin Ghita
Author Profile Icon Catalin Ghita
Catalin Ghita
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Table of Contents (17) Chapters Close

Preface 1. Part 1: Exploring the Core Jetpack Suite and Other Libraries
2. Chapter 1: Creating a Modern UI with Jetpack Compose FREE CHAPTER 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

Refactoring our Restaurants app to fit a presentation pattern

We plan to refactor our Restaurants app to fit a presentation pattern. From our previous comparison, we can consider that MVVM is best suited for our Compose-based app. Don't worry—we will talk about this decision in more detail a bit later.

But before we do that, let's add more functionality inside the application to better highlight how mingling responsibilities can lead to unmaintainable code.

To summarize, in this section, we're going to be doing the following:

  • Adding more functionality inside our Restaurants app
  • Refactoring our Restaurants app to MVVM

Let's begin!

Adding more functionality inside our Restaurants app

When the Restaurants application is launched, the RestaurantsScreen() composable is rendered. Inside this screen, we are loading a bunch of restaurants from the server, and then we're displaying them to the user.

Yet while our app waits for...

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