Book Image

Android Studio 3.5 Development Essentials - Kotlin Edition

By : Neil Smyth
Book Image

Android Studio 3.5 Development Essentials - Kotlin Edition

By: Neil Smyth

Overview of this book

Popularity of Kotlin as an Android-compatible language keeps growing every day. This book will help you to build your own Android applications using Kotlin. Android Studio 3.5 Development Essentials Kotlin Edition first teaches you to install Android development and test environment on different operating systems. Next, you will create an Android app and a virtual device in Android studio, and install an Android application on emulators. You will test apps on physical android devices, then study Android Studio code editor, Android architecture, and the anatomy of an Android app. The focus then shifts to Kotlin language. You’ll get an overview of Kotlin language and practice converting code from Java to Kotlin. You’ll also explore Kotlin data types, operators, expressions, loops, functions, and the basics of OOP concept in Kotlin. This book will then cover Android Jetpack and how to create an example app project using ViewModel component, as well as advanced topics such as views and widgets implementation, multi-window support integration, and biometric authentication. Finally, you will learn to upload your app to the Google Play Console and handle the build process with Gradle. By the end of this book, you will have gained enough knowledge to develop powerful Android applications using Kotlin.
Table of Contents (93 chapters)
93
Index

50.9 Adding the Transition File

All of the transition effects for this project will be implemented within a single transition XML resource file. As outlined in the chapter entitled “Animating User Interfaces with the Android Transitions Framework”, transition resource files must be placed in the app -> res -> transition folder of the project. Begin, therefore, by right-clicking on the res folder in the Project tool window and selecting the New -> Directory menu option. In the resulting dialog, name the new folder transition and click on the OK button. Right-click on the new transition folder, this time selecting the New -> Transition Resource File option and name the new file transition.xml.

With the newly created transition.xml file selected and loaded into the editing panel, add the following XML content to add a transition set that enables the change bounds transition animation with a duration attribute setting:

<?xml version="1.0" encoding...