Merge "Fix status bar background flicker" into nyc-dev

This commit is contained in:
TreeHugger Robot
2016-05-06 01:49:31 +00:00
committed by Android (Google) Code Review

View File

@@ -43,6 +43,7 @@ import android.graphics.LinearGradient;
import android.graphics.Paint;
import android.graphics.PixelFormat;
import android.graphics.Rect;
import android.graphics.Region;
import android.graphics.Shader;
import android.graphics.drawable.Drawable;
import android.os.RemoteException;
@@ -258,6 +259,26 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind
setWillNotDraw(getBackground() == null && !mBackgroundFallback.hasFallback());
}
@Override
public boolean gatherTransparentRegion(Region region) {
boolean statusOpaque = gatherTransparentRegion(mStatusColorViewState, region);
boolean navOpaque = gatherTransparentRegion(mNavigationColorViewState, region);
boolean decorOpaque = super.gatherTransparentRegion(region);
// combine bools after computation, so each method above always executes
return statusOpaque || navOpaque || decorOpaque;
}
boolean gatherTransparentRegion(ColorViewState colorViewState, Region region) {
if (colorViewState.view != null && colorViewState.visible && isResizing()) {
// If a visible ColorViewState is in a resizing host DecorView, forcibly register its
// opaque area, since it's drawn by a different root RenderNode. It would otherwise be
// rejected by ViewGroup#gatherTransparentRegion() for the view not being VISIBLE.
return colorViewState.view.gatherTransparentRegion(region);
}
return false; // no opaque area added
}
@Override
public void onDraw(Canvas c) {
super.onDraw(c);