diff options
Diffstat (limited to 'core/java/android/view/View.java')
| -rw-r--r-- | core/java/android/view/View.java | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java index b41687e4dabe..469bbaaf8d07 100644 --- a/core/java/android/view/View.java +++ b/core/java/android/view/View.java @@ -1813,6 +1813,8 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility private int mPrevWidth = -1; private int mPrevHeight = -1; + private boolean mLastIsOpaque; + /** * Convenience value to check for float values that are close enough to zero to be considered * zero. @@ -6726,7 +6728,7 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility public void invalidate() { invalidate(true); } - + /** * This is where the invalidate() work actually happens. A full invalidate() * causes the drawing cache to be invalidated, but this function can be called with @@ -6743,8 +6745,11 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility ViewDebug.trace(this, ViewDebug.HierarchyTraceType.INVALIDATE); } + boolean opaque = isOpaque(); if ((mPrivateFlags & (DRAWN | HAS_BOUNDS)) == (DRAWN | HAS_BOUNDS) || - (invalidateCache && (mPrivateFlags & DRAWING_CACHE_VALID) == DRAWING_CACHE_VALID)) { + (invalidateCache && (mPrivateFlags & DRAWING_CACHE_VALID) == DRAWING_CACHE_VALID) || + opaque != mLastIsOpaque) { + mLastIsOpaque = opaque; mPrivateFlags &= ~DRAWN; if (invalidateCache) { mPrivateFlags &= ~DRAWING_CACHE_VALID; |