Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Modern Android 13 Development Cookbook

You're reading from   Modern Android 13 Development Cookbook Over 70 recipes to solve Android development issues and create better apps with Kotlin and Jetpack Compose

Arrow left icon
Product type Paperback
Published in Jul 2023
Publisher Packt
ISBN-13 9781803235578
Length 322 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Author (1):
Arrow left icon
Madona S. Wambua Madona S. Wambua
Author Profile Icon Madona S. Wambua
Madona S. Wambua
Arrow right icon
View More author details
Toc

Table of Contents (15) Chapters Close

Preface 1. Chapter 1: Getting Started with Modern Android Development Skills 2. Chapter 2: Creating Screens Using a Declarative UI and Exploring Compose Principles FREE CHAPTER 3. Chapter 3: Handling the UI State in Jetpack Compose and Using Hilt 4. Chapter 4: Navigation in Modern Android Development 5. Chapter 5: Using DataStore to Store Data and Testing 6. Chapter 6: Using the Room Database and Testing 7. Chapter 7: Getting Started with WorkManager 8. Chapter 8: Getting Started with Paging 9. Chapter 9: Building for Large Screens 10. Chapter 10: Implementing Your First Wear OS Using Jetpack Compose 11. Chapter 11: GUI Alerts – What’s New in Menus, Dialog, Toast, Snackbars, and More in Modern Android Development 12. Chapter 12: Android Studio Tips and Tricks to Help You during Development 13. Index 14. Other Books You May Enjoy

Supporting multiple entities in Room

In this recipe, you will learn how to handle multiple entities in Room. This is useful whenever you have a big project that needs a different data input. An excellent example that we can work with is a budgeting app.

To support multiple entities in Room, you need to define multiple classes that represent your database tables. Each class should have its own annotations and fields that correspond to columns in a table. For instance, a budgeting app might need different types of models, such as the following:

  • BudgetData
  • ExpenseData
  • ExpenseItem

Hence, having multiple entities is sometimes necessary, and knowing how to handle that comes in handy.

Getting ready

To follow along with this recipe, you must have completed the previous recipe.

How to do it …

You can use any project of your choosing to implement the topics discussed in this recipe. In addition, you can use this example in your pre-existing project...

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 $19.99/month. Cancel anytime
Banner background image