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Commit 634a20ac authored by Chet Haase's avatar Chet Haase
Browse files

Fix bug with LayoutTransition when layouts are just coming on line 

Change-Id: Ia7061d8ec138f8f7aea822596f46b3549a996700
parent 414e7f76

core/java/android/animation/LayoutTransition.java

+5 −1
Original line number Diff line number Diff line
@@ -520,6 +520,10 @@ public class LayoutTransition { 
        staggerDelay = 0;



        final ViewTreeObserver observer = parent.getViewTreeObserver(); // used for later cleanup

        if (!observer.isAlive()) {

            // If the observer's not in a good state, skip the transition

            return;

        }

        int numChildren = parent.getChildCount();



        for (int i = 0; i < numChildren; ++i) {
@@ -607,7 +611,7 @@ public class LayoutTransition { 
        // layout listeners.

        observer.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {

            public boolean onPreDraw() {

                observer.removeOnPreDrawListener(this);

                parent.getViewTreeObserver().removeOnPreDrawListener(this);

                int numChildren = parent.getChildCount();

                for (int i = 0; i < numChildren; ++i) {

                    final View child = parent.getChildAt(i);