diff options
Diffstat (limited to 'core/java/android/transition/Visibility.java')
| -rw-r--r-- | core/java/android/transition/Visibility.java | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/core/java/android/transition/Visibility.java b/core/java/android/transition/Visibility.java index f58291f..36bac31 100644 --- a/core/java/android/transition/Visibility.java +++ b/core/java/android/transition/Visibility.java @@ -484,12 +484,19 @@ public abstract class Visibility extends Transition { @Override boolean areValuesChanged(TransitionValues oldValues, TransitionValues newValues) { - VisibilityInfo changeInfo = getVisibilityChangeInfo(oldValues, newValues); if (oldValues == null && newValues == null) { return false; } + if (oldValues != null && newValues != null && + newValues.values.containsKey(PROPNAME_VISIBILITY) != + oldValues.values.containsKey(PROPNAME_VISIBILITY)) { + // The transition wasn't targeted in either the start or end, so it couldn't + // have changed. + return false; + } + VisibilityInfo changeInfo = getVisibilityChangeInfo(oldValues, newValues); return changeInfo.visibilityChange && (changeInfo.startVisibility == View.VISIBLE || - changeInfo.endVisibility == View.VISIBLE); + changeInfo.endVisibility == View.VISIBLE); } /** |