public void HideOverlay()
{
if (PageState == MainPageState.Overlay)
{
IOverlayPlugin ctrl = OverlayPlugin;
if (ctrl != null)
{
ctrl.SignalClosure();
}
PageState = MainPageState.Root;
Overlay.Child = null;
}
}
protected override void OnBackKeyPress(CancelEventArgs e)
{
if (PageState == MainPageState.Overlay)
{
IOverlayPlugin ctrl = OverlayPlugin;
if (ctrl != null)
{
e.Cancel = ctrl.GoBack();
}
}
else if (rootView != null)
{
if (!IgnoreBackButton)
{
bool backActionHandled = false;
// find view to handle back anchor
View handler = rootView.FindBackKeyDelegate();
if (handler == null)
{
handler = rootView;
}
// ask subscribed block to handle the back anchor
backActionHandled = handler.HandleBackKey();
// go back (or not)
e.Cancel = backActionHandled ? true : GoBack();
}
else
{
e.Cancel = true;
}
}
}