Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Save more on your purchases now! discount-offer-chevron-icon
Savings automatically calculated. No voucher code required.
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
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

Arrow left icon
Product type Paperback
Published in May 2022
Publisher Packt
ISBN-13 9781801811071
Length 472 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Author (1):
Arrow left icon
Catalin Ghita Catalin Ghita
Author Profile Icon Catalin Ghita
Catalin Ghita
Arrow right icon
View More author details
Toc

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

Chapter 12: Exploring the Jetpack Lifecycle Components

In this chapter, we're adding a countdown timer component to our Repositories app from Chapter 11, Creating Infinite Lists with Jetpack Paging and Kotlin Flow, while also exploring the Jetpack Lifecycle components.

In the first section, Introducing the Jetpack Lifecycle components, we want to explore how the lifecycle events and states are tied to Android components such as Activity or Fragment, and then how predefined components from the Lifecycle package can react to them.

Next, in the Adding a countdown component in the Repositories app section, we will be creating and adding a countdown timer component to the Repositories app. When a 60-second countdown finishes, we will award users with a fictional prize.

However, we will want the countdown to run as long as the timer is visible on the screen; otherwise, users could cheat by minimizing the application and having the countdown run in background. In the Creating...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €18.99/month. Cancel anytime