protected override void Dispose(bool disposing)
{
if (disposing)
{
if (_masterContainer != null)
{
_masterContainer.Dispose();
_masterContainer = null;
}
if (_detailContainer != null)
{
_detailContainer.Dispose();
_detailContainer = null;
}
if (Element != null)
{
Element.Appearing -= OnMasterDetailAppearing;
Element.Disappearing -= OnMasterDetailDisappearing;
}
}
base.Dispose(disposing);
}
public App()
{
InitializeComponent();
if (Device.OS == TargetPlatform.Android || Device.OS == TargetPlatform.iOS)
{
MainPage = new MasterDetailContainer();
}
else
{
MainPage = new RootTabPage();
}
}
protected override void OnElementChanged(ElementChangedEventArgs <MasterDetailPage> e)
{
if (_mdpage == null)
{
_mdpage = new Native.MasterDetailPage(System.Maui.Maui.NativeParent)
{
IsPresented = e.NewElement.IsPresented,
Master = _masterContainer = new MasterDetailContainer(Element, true),
Detail = _detailContainer = new MasterDetailContainer(Element, false),
};
_mdpage.IsPresentedChanged += (sender, ev) =>
{
Element.IsPresented = ev.IsPresent;
};
_mdpage.UpdateIsPresentChangeable += (sender, ev) =>
{
(Element as IMasterDetailPageController).CanChangeIsPresented = ev.CanChange;
};
SetNativeView(_mdpage);
}
if (e.OldElement != null)
{
(e.OldElement as IMasterDetailPageController).BackButtonPressed -= OnBackButtonPressed;
e.OldElement.Appearing -= OnMasterDetailAppearing;
e.OldElement.Disappearing -= OnMasterDetailDisappearing;
}
if (e.NewElement != null)
{
(e.NewElement as IMasterDetailPageController).BackButtonPressed += OnBackButtonPressed;
e.NewElement.Appearing += OnMasterDetailAppearing;
e.NewElement.Disappearing += OnMasterDetailDisappearing;
}
UpdateMasterBehavior();
base.OnElementChanged(e);
}
