diff options
Diffstat (limited to 'ui/transition/CustomTransition/README.md')
| -rw-r--r-- | ui/transition/CustomTransition/README.md | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/ui/transition/CustomTransition/README.md b/ui/transition/CustomTransition/README.md index 76ac022e..591d9000 100644 --- a/ui/transition/CustomTransition/README.md +++ b/ui/transition/CustomTransition/README.md @@ -1,15 +1,46 @@ + Android CustomTransition Sample -============================== +=================================== + +This sample shows how to implement a custom Transition extending the +standard Transition class. + +Introduction +------------ + +In order to create a custom Transition, you first need to override +[captureStartValues][1] and [captureEndValues][2]. In those method, you have to +extract all the relevant properties from a View. These methods are called for +each of the Views in the hierarchy. + +Then, you need to override [createAnimator][3] and create an Animator based on +the property values you extracted. This method will also be called for each of +the Views in the hierarchy. If you want to skip some Views, simply return null. -This sample demonstrates how to create and use a custom Transition. +The instantiated custom Transition can be applied by passing it as the second +parameter of [TransitionManager.go][4]. + +```java +TransitionManager.go(mScenes[mCurrentScene], mTransition); +``` + +[1]: https://developer.android.com/reference/android/transition/Transition.html#captureStartValues(android.transition.TransitionValues) +[2]: https://developer.android.com/reference/android/transition/Transition.html#captureEndValues(android.transition.TransitionValues) +[3]: https://developer.android.com/reference/android/transition/Transition.html#createAnimator(android.view.ViewGroup, android.transition.TransitionValues, android.transition.TransitionValues) +[4]: https://developer.android.com/reference/android/transition/TransitionManager.html#go(android.transition.Scene, android.transition.Transition) Pre-requisites -------------- -- Android SDK v20 -- Android Build Tools v20 +- Android SDK v23 +- Android Build Tools v22.0.1 - Android Support Repository +Screenshots +------------- + +<img src="screenshots/main.png" height="400" alt="Screenshot"/> + Getting Started --------------- @@ -40,7 +71,7 @@ file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at - http://www.apache.org/licenses/LICENSE-2.0 +http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |