protected virtual async Task <bool> ShowMasterDetailSplitViewController(
UIViewController viewController,
MvxMasterDetailPresentationAttribute attribute,
MvxViewModelRequest request)
{
if (SplitViewController != null && attribute.Position == MasterDetailPosition.Master)
{
return(await ShowMasterView(viewController, attribute.WrapInNavigationController));
}
else if (SplitViewController != null && attribute.Position == MasterDetailPosition.Detail)
{
return(await ShowDetailView(viewController, attribute.WrapInNavigationController));
}
else if (viewController is MvxSplitViewController && attribute.Position == MasterDetailPosition.Root)
{
SplitViewController = (MvxSplitViewController)viewController;
// set root
await SetupSplitViewWindowRootNavigation(viewController, attribute);
await CloseModalViewControllers();
await CloseTabBarViewController();
}
else
{
throw new MvxException("Trying to show a master page without a SplitViewController, this is not possible!");
}
return(true);
}
protected void CloseSplitViewController()
{
if (SplitViewController == null)
{
return;
}
if (SplitViewController is UISplitViewController splitController &&
splitController.ViewControllers != null)
{
foreach (var item in splitController.ViewControllers)
{
item.DidMoveToParentViewController(null);
}
}
SplitViewController = null;
}
protected Task <bool> CloseSplitViewController()
{
if (SplitViewController == null)
{
return(Task.FromResult(true));
}
if (SplitViewController is UISplitViewController splitController &&
splitController.ViewControllers != null)
{
foreach (var item in splitController.ViewControllers)
{
item.DidMoveToParentViewController(null);
}
}
SplitViewController = null;
return(Task.FromResult(true));
}
