Book Image

Modern Android 13 Development Cookbook

By : Madona S. Wambua
5 (1)
Book Image

Modern Android 13 Development Cookbook

5 (1)
By: Madona S. Wambua

Overview of this book

Android is a powerful operating system widely used in various devices, phones, TVs, wearables, automobiles, and more. This Android cookbook will teach you how to leverage the latest Android development technologies for creating incredible applications while making effective use of popular Jetpack libraries. You’ll also learn which critical principles to consider when developing Android apps. The book begins with recipes to get you started with the declarative UI framework, Jetpack Compose, and help you with handling UI states, Navigation, Hilt, Room, Wear OS, and more as you learn what's new in modern Android development. Subsequent chapters will focus on developing apps for large screens, leveraging Jetpack’s WorkManager, managing graphic user interface alerts, and tips and tricks within Android studio. Throughout the book, you'll also see testing being implemented for enhancing Android development, and gain insights into harnessing the integrated development environment of Android studio. Finally, you’ll discover best practices for robust modern app development. By the end of this book, you’ll be able to build an Android application using the Kotlin programming language and the newest modern Android development technologies, resulting in highly efficient applications.
Table of Contents (15 chapters)

Testing your local database

So far, we have ensured that we write tests whenever necessary for our projects. We will now need to go ahead and write tests for our RoomExample project, since this is crucial, and you might be required to do so in a real-world scenario. Hence, in this recipe, we will look at a step-by-step guide on writing CRUD tests for our database.

Getting ready

You will need to open the RoomExample project to get started with this recipe.

How to do it…

Let’s go ahead and first add all the needed Room testing dependencies, and then start writing our tests. For the Hilt test setup, refer to the Technical requirements section, where you can find all the required code:

  1. You will need to add the following to your build.gradle:
    androidTestImplementation ""
    androidTestImplementation "android.arch.core:core-testing:1.1.1"
  2. After you have added the required dependencies inside the Android test...