Copy exiting app token list while stepping animation. (8cf4062a) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wm/WindowAnimator.java

+14 −3

Original line number	Diff line number	Diff line
		@@ -119,6 +119,8 @@ public class WindowAnimator {
		// check if some got replaced and can be removed.
		private boolean mRemoveReplacedWindows = false;

		private final AppTokenList mTmpExitingAppTokens = new AppTokenList();

		private String forceHidingToString() {
		switch (mForceHiding) {
		case KEYGUARD_NOT_SHOWN: return "KEYGUARD_NOT_SHOWN";
		@@ -189,10 +191,19 @@ public class WindowAnimator {
		}
		}

		final AppTokenList exitingAppTokens = stack.mExitingAppTokens;
		final int exitingCount = exitingAppTokens.size();
		mTmpExitingAppTokens.clear();
		mTmpExitingAppTokens.addAll(stack.mExitingAppTokens);

		final int exitingCount = mTmpExitingAppTokens.size();
		for (int i = 0; i < exitingCount; i++) {
		final AppWindowAnimator appAnimator = exitingAppTokens.get(i).mAppAnimator;
		final AppWindowAnimator appAnimator = mTmpExitingAppTokens.get(i).mAppAnimator;
		// stepAnimation can trigger finishExit->removeWindowInnerLocked
		// ->performSurfacePlacement
		// performSurfacePlacement will directly manipulate the mExitingAppTokens list
		// so we need to iterate over a copy and check for modifications.
		if (!stack.mExitingAppTokens.contains(appAnimator)) {
		continue;
		}
		appAnimator.wasAnimating = appAnimator.animating;
		if (appAnimator.stepAnimationLocked(mCurrentTime, displayId)) {
		setAnimating(true);