tree: 0bb5a835374bc4fa3be9f88323c157ae606c146f [path history] [tgz]
  1. .google/
  2. Application/
  8. build.gradle
  9. gradle/
  10. gradlew
  11. gradlew.bat
  12. screenshots/
  13. settings.gradle

Android RevealEffectBasic Sample

Sample demonstrating circular reveal effect. It covers creating an Animator with ViewAnimationUtils as well as defining the parameters of the circular reveal including starting position and radius.


Sample demonstrating circular reveal effect. Reveal animations can be used to provide visual continuity when showing or hiding views. With ViewAnimationsUtils.createCircularReveal() you can use the startRadius and endRadius to define a hiding or revealing animation. You can also define the center of the animation, in this sample the center is x=0, y=0 which defines the top left of the View as the center.

Press the Reveal button to see the the circular reveal.

1:, int, int, float, float)


  • Android SDK v21
  • Android Build Tools v22.0.1
  • Android Support Repository


Getting Started

This sample uses the Gradle build system. To build this project, use the “gradlew build” command or use “Import Project” in Android Studio.


If you've found an error in this sample, please file an issue:

Patches are encouraged, and may be submitted by forking this project and submitting a pull request through GitHub. Please see for more details.


Copyright 2014 The Android Open Source Project, Inc.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this 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

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.