Book Image

Android Studio 4.0 Development Essentials - Java Edition

By : Neil Smyth
Book Image

Android Studio 4.0 Development Essentials - Java Edition

By: Neil Smyth

Overview of this book

Android rolls out frequent updates to meet the demands of the dynamic mobile market and to enable its developer community to lead advancements in application development. This book focuses on the updated features of Android Studio (the fully integrated development environment launched by Google) to build reliable Android applications using Java. The book starts by outlining the steps necessary to set up an Android development and testing environment. You’ll then learn how to create user interfaces with the help of Android Studio Layout Editor, XML files, and by writing the code in Java. The book introduces you to Android architecture components and advanced topics such as intents, touchscreen handling, gesture recognition, multi-window support integration, and biometric authentication, and lets you explore key features of Android Studio 4.0, including the layout editor, direct reply notifications, and dynamic delivery. You’ll also cover Android Jetpack in detail and create a sample app project using the ViewModel component. Finally, you’ll upload your app to the Google Play Console and handle the build process with Gradle. By the end of this book, you’ll have gained the skills necessary to develop applications using Android Studio 4.0 and Java.
Table of Contents (88 chapters)
88
Index

41.10 Passing Data Using Safeargs

The next objective in this tutorial is to pass the text entered into the EditText view in the main fragment to the second fragment where it will be displayed on the TextView widget. As outlined in the previous chapter, the Android Navigation component supports two approaches to passing data. This chapter will make use of type safe argument passing.

The first step in using safeargs is to add the safeargs plugin to the Gradle build configuration. Using the Project tool window, locate and edit the project level build.gradle file (Gradle Scripts -> build.gradle (Project: NavigationDemo)) to add the plugin to the dependencies as follows (once again keeping in mind that a more recent version may now be available):

buildscript {

    

    repositories {

        google()

        jcenter()

    }

...