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An Introduction to Android Transitions

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Introduction The Android transitions framework allows you to configure the appearance of changes in your app's user interface. You can animate changes in an app screen, defining each phase as a scene and controlling the way in which the transition changes the app appearance from one scene to another. In this tutorial, we will build a simple app with an animated transition in it. This will involve preparing the layout and drawable files in XML, then configuring and applying the transition in Java. We will define two scenes in which the same view items are arranged differently on the screen. As we use a transition, Android will automatically animate the change from one scene to another. 1. Create the App Step 1 Start by creating a new app in your chosen IDE. You need a minimum SDK of 19 for the transitions classes, so you'll need to take additional steps if you plan on supporting older versions. Give the app a main Activity and layout file, choosing the name start_layout.xml for