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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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Toc

Table of Contents (18) Chapters Close

Preface 1. Part 1: Fundamentals of Jetpack Compose
2. Chapter 1: Building Your First Compose App FREE CHAPTER 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

Integrating toolbars and menus

Early Android versions did not know about action or app bars. They were introduced with API level 11 (Honeycomb). The options menu, on the other hand, has been around since the beginning, but it was opened by pressing a dedicated hardware button and shown at the bottom of the screen. For Android 3, it moved to the top and became a vertical list. Some elements could be made available permanently as actions. In a way, the options menu and the action bar merged. While all the aspects of the action bar were originally handled by the hosting activity, the AppCompat support library introduced an alternative implementation (getSupportActionBar()).

Using Scaffold() to structure your screen

Jetpack Compose includes several app bar implementations that follow Material You specifications. They can be added to a Compose UI through Scaffold(), a composable function that acts as an app frame or skeleton. The following code snippet is the root of the ComposeUnitConverter...

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