Merge "Merge "Better handle non-recommended use and warn against it in... (721ecfd2) · Commits · e / os / android_frameworks_base

core/java/android/animation/AnimatorSet.java

+18 −4

Original line number	Diff line number	Diff line
		@@ -473,9 +473,13 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		if (mReversing) {
		// Between start() and first frame, mLastEventId would be unset (i.e. -1)
		mLastEventId = mLastEventId == -1 ? mEvents.size() : mLastEventId;
		for (int j = mLastEventId - 1; j >= 0; j--) {
		AnimationEvent event = mEvents.get(j);
		while (mLastEventId > 0) {
		mLastEventId = mLastEventId - 1;
		AnimationEvent event = mEvents.get(mLastEventId);
		Animator anim = event.mNode.mAnimation;
		if (mNodeMap.get(anim).mEnded) {
		continue;
		}
		if (event.mEvent == AnimationEvent.ANIMATION_END) {
		anim.reverse();
		} else if (event.mEvent == AnimationEvent.ANIMATION_DELAY_ENDED
		@@ -487,9 +491,15 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		}
		}
		} else {
		for (int j = mLastEventId + 1; j < mEvents.size(); j++) {
		AnimationEvent event = mEvents.get(j);
		while (mLastEventId < mEvents.size() - 1) {
		// Avoid potential reentrant loop caused by child animators manipulating
		// AnimatorSet's lifecycle (i.e. not a recommended approach).
		mLastEventId = mLastEventId + 1;
		AnimationEvent event = mEvents.get(mLastEventId);
		Animator anim = event.mNode.mAnimation;
		if (mNodeMap.get(anim).mEnded) {
		continue;
		}
		if (event.mEvent == AnimationEvent.ANIMATION_START) {
		anim.start();
		} else if (event.mEvent == AnimationEvent.ANIMATION_END && anim.isStarted()) {
		@@ -663,6 +673,10 @@ public final class AnimatorSet extends Animator implements AnimationHandler.Anim
		* <p>Starting this <code>AnimatorSet</code> will, in turn, start the animations for which
		* it is responsible. The details of when exactly those animations are started depends on
		* the dependency relationships that have been set up between the animations.
		*
		* <b>Note:</b> Manipulating AnimatorSet's lifecycle in the child animators' listener callbacks
		* will lead to undefined behaviors. Also, AnimatorSet will ignore any seeking in the child
		* animators once {@link #start()} is called.
		*/
		@SuppressWarnings("unchecked")
		@Override