@Override
protected void onDetachedFromWindow() {
if (mGlobalListenersAdded) {
ViewTreeObserver observer = getViewTreeObserver();
observer.removeOnScrollChangedListener(mScrollChangedListener);
observer.removeOnPreDrawListener(mDrawListener);
mGlobalListenersAdded = false;
}
mRequestedVisible = false;
updateWindow(false, false);
mHaveFrame = false;
if (mWindow != null) {
try {
mSession.remove(mWindow);
} catch (RemoteException ex) {
// Not much we can do here...
}
mWindow = null;
}
mSession = null;
mLayout.token = null;
super.onDetachedFromWindow();
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
mParent.requestTransparentRegion(this);
mSession = getWindowSession();
mLayout.token = getWindowToken();
mLayout.setTitle("SurfaceView");
mViewVisibility = getVisibility() == VISIBLE;
if (!mGlobalListenersAdded) {
ViewTreeObserver observer = getViewTreeObserver();
observer.addOnScrollChangedListener(mScrollChangedListener);
observer.addOnPreDrawListener(mDrawListener);
mGlobalListenersAdded = true;
}
}
