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Merge "Update the documentation on createCircularReveal" into nyc-dev

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Tenghui Zhu
2016-04-08 21:24:03 +00:00
committed by Android (Google) Code Review
parent 93bd44300c 9b3be58403
commit 3cb5ba75b7
1 changed files with 16 additions and 0 deletions
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16
core/java/android/view/ViewAnimationUtils.java
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@@ -41,6 +41,22 @@ public final class ViewAnimationUtils {
* As a result {@link AnimatorListener#onAnimationEnd(Animator)}
* will occur after the animation has ended, but it may be delayed depending
* on thread responsiveness.
* <p>
* Note that if any start delay is set on the reveal animator, the start radius
* will not be applied to the reveal circle until the start delay has passed.
* If it's desired to set a start radius on the reveal circle during the start
* delay, one workaround could be adding an animator with the same start and
* end radius. For example:
* <pre><code>
* public static Animator createRevealWithDelay(View view, int centerX, int centerY, float startRadius, float endRadius) {
* Animator delayAnimator = ViewAnimationUtils.createCircularReveal(view, centerX, centerY, startRadius, startRadius);
* delayAnimator.setDuration(delayTimeMS);
* Animator revealAnimator = ViewAnimationUtils.createCircularReveal(view, centerX, centerY, startRadius, endRadius);
* AnimatorSet set = new AnimatorSet();
* set.playSequentially(delayAnimator, revealAnimator);
* return set;
* }
* </code></pre>
*
* @param view The View will be clipped to the animating circle.
* @param centerX The x coordinate of the center of the animating circle, relative to