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Android UI Development with Jetpack Compose

You're reading from   Android UI Development with Jetpack Compose Bring declarative and native UI to life quickly and easily on Android using Jetpack Compose and Kotlin

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Product type Paperback
Published in Nov 2023
Publisher Packt
ISBN-13 9781837634255
Length 278 pages
Edition 2nd Edition
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Author (1):
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Thomas Künneth Thomas Künneth
Author Profile Icon Thomas Künneth
Thomas Künneth
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Table of Contents (18) Chapters Close

Preface 1. Part 1: Fundamentals of Jetpack Compose FREE CHAPTER
2. Chapter 1: Building Your First Compose App 3. Chapter 2: Understanding the Declarative Paradigm 4. Chapter 3: Exploring the Key Principles of Compose 5. Part 2: Building User Interfaces
6. Chapter 4: Laying Out UI Elements in Compose 7. Chapter 5: Managing State of Your Composable Functions 8. Chapter 6: Building a Real-World App 9. Chapter 7: Exploring App Architecture 10. Part 3: Advanced Topics
11. Chapter 8: Working with Animations 12. Chapter 9: Exploring Interoperability APIs 13. Chapter 10: Testing and Debugging Compose Apps 14. Chapter 11: Developing for Different Form Factors 15. Chapter 12: Bringing Your Compose UI to Different Platforms 16. Index 17. Other Books You May Enjoy

Summary

In this chapter, we looked at important terms and techniques regarding testing. In the first main section, we set up the infrastructure, wrote and ran a simple unit test locally on the development machine, and then turned to Compose specifics. I introduced you to createComposeRule() and createAndroidComposeRule().

Next, we looked at how composable functions are found in a Compose hierarchy, and why making your app accessible also helps in writing better tests. You also learned about actions and assertions. Finally, we added custom entries to the semantics tree.

The final main section explained how to debug a Compose app. We revisited the semantics tree, and I showed you how to take advantage of InspectorInfo and InspectorValueInfo to debug and test custom modifiers.

Android has always embraced different form factors and device classes. Wouldn’t it be great to bring your Jetpack Compose apps to tables and foldables? In Chapter 11, Developing for Different Form...

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