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Commit 751839bd authored by Tiger Huang's avatar Tiger Huang
Browse files

Make sure mParent is not null before using it 

Otherwise, there will be NullPointerException.

Fix: 204883084
Test: Run the following code and see if it crashes.
  ViewGroup v = new FrameLayout(context);
  v.requestTransparentRegion(v);
  getWindowManager().addView(v, attrs);
  getWindowManager().removeView(v);
Change-Id: I059e13d2a258cf85dbc1694fb79b6088199de3fb
parent bef7c4f0

core/java/android/view/View.java

+2 −2
Original line number Diff line number Diff line
@@ -20270,7 +20270,7 @@ public class View implements Drawable.Callback, KeyEvent.Callback, 
     */

    @CallSuper

    protected void onAttachedToWindow() {

        if ((mPrivateFlags & PFLAG_REQUEST_TRANSPARENT_REGIONS) != 0) {

        if (mParent != null && (mPrivateFlags & PFLAG_REQUEST_TRANSPARENT_REGIONS) != 0) {

            mParent.requestTransparentRegion(this);

        }










@@ -25044,7 +25044,7 @@ public class View implements Drawable.Callback, KeyEvent.Callback,



























        View parent = this;



























        while (parent.mParent != null && parent.mParent instanceof View) {













        while (parent.mParent instanceof View) {















            parent = (View) parent.mParent;















        }