static async void OnCloseRequested(object sender, ModalPage.CloseModalRequestedEventArgs e)
{
var page = (ModalPage)sender;
var viewController = PlatformMethods.GetRenderer(page).ViewController;
if (viewController != null && !viewController.IsBeingDismissed)
{
// Hack: http://stackoverflow.com/questions/25762466/trying-to-dismiss-the-presentation-controller-while-transitioning-already
DispatchQueue.MainQueue.DispatchAfter(DispatchTime.Now, async() => {
e.ClosingPageTask = viewController.DismissViewControllerAsync(true);
await e.ClosingPageTask;
PlatformMethods.DisposeModelAndChildrenRenderers(page);
});
}
}
void OnDisplayPageModalRequested(object sender, ModalHostPage.DisplayPageModalRequestedEventArgs e)
{
e.PageToDisplay.Parent = this.Element;
IVisualElementRenderer renderer = PlatformMethods.GetRenderer(e.PageToDisplay);
if (renderer == null)
{
renderer = RendererFactory.GetRenderer(e.PageToDisplay);
PlatformMethods.SetRenderer(e.PageToDisplay, renderer);
}
// HACK: http://stackoverflow.com/questions/25762466/trying-to-dismiss-the-presentation-controller-while-transitioning-already
// Since the pop / close operation on the ModalPage is applying the hack, we might need to wait here too...
DispatchQueue.MainQueue.DispatchAfter(DispatchTime.Now, async() =>
{
e.DisplayingPageTask = this.PresentViewControllerAsync(renderer.ViewController, true);
});
}
