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How to Build Android Apps with Kotlin

You're reading from  How to Build Android Apps with Kotlin

Product type Book
Published in Feb 2021
Publisher Packt
ISBN-13 9781838984113
Pages 794 pages
Edition 1st Edition
Languages
Authors (4):
Alex Forrester Alex Forrester
Profile icon Alex Forrester
Eran Boudjnah Eran Boudjnah
Profile icon Eran Boudjnah
Alexandru Dumbravan Alexandru Dumbravan
Profile icon Alexandru Dumbravan
Jomar Tigcal Jomar Tigcal
Profile icon Jomar Tigcal
View More author details

Table of Contents (17) Chapters

Preface
1. Creating Your First App 2. Building User Screen Flows 3. Developing the UI with Fragments 4. Building App Navigation 5. Essential Libraries: Retrofit, Moshi, and Glide 6. RecyclerView 7. Android Permissions and Google Maps 8. Services, WorkManager, and Notifications 9. Unit Tests and Integration Tests with JUnit, Mockito, and Espresso 10. Android Architecture Components 11. Persisting Data 12. Dependency Injection with Dagger and Koin 13. RxJava and Coroutines 14. Architecture Patterns 15. Animations and Transitions with CoordinatorLayout and MotionLayout 16. Launching Your App on Google Play

Activity Transitions

When opening and closing an activity, Android will play a default transition. We can customize the activity transition to reflect the brand and/or differentiate our app. Activity transitions are available starting with Android 5.0 Lollipop (API level 21).

Activity transitions have two parts: the enter transition and the exit transition. The enter transition defines how the activity and its views will be animated when the activity is opened. The exit transition, meanwhile, describes how the activity and views are animated when the activity is closed or a new activity is opened. Android supports the following built-in transitions:

  • Explode: This moves views in or out from the center.
  • Fade: This view slowly appears or disappears.
  • Slide: This moves views in or out from the edges.

Now, let's see how we can add activity transitions in the following section. There are two ways to add activity transitions: through XML and through code. First...

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