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Modern Android 13 Development Cookbook

Modern Android 13 Development Cookbook

By : Madona S. Wambua
5 (20)
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Modern Android 13 Development Cookbook

Modern Android 13 Development Cookbook

5 (20)
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)
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Writing tests for navigation

Now that we have created a new screen for our SampleLogin project, we need to fix the broken test and add new tests for the UI package. If you can recall, in Chapter 3, Handling the UI State in Jetpack Compose and Using Hilt, we did unit tests and not UI tests. This means after adding all the ViewModel instances, our UI tests are now broken. In this recipe, we will fix the failing tests and add a navigation test.

Getting ready

In this recipe, you do not need to create any new project; use the already-created project, SampleLogin.

How to do it…

You can apply these concepts to test the bottom navigation bar we created. Hence, we will not be writing tests for the BottomNavigationBarSample project. Open SampleLogin and navigate to the androidTest package. We will add tests here for the new RegisterScreen() a Composable function, and also fix the broken tests:

  1. Let’s open the LoginContentTest class. Now, let’s move the...
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