protected override void OnElementChanged(ElementChangedEventArgs <TabbedPage> e)
{
base.OnElementChanged(e);
if (e.OldElement == null && e.NewElement != null)
{
_page = (MyTabbedPage)e.NewElement;
for (int i = 0; i <= this.ViewGroup.ChildCount - 1; i++)
{
var childView = this.ViewGroup.GetChildAt(i);
if (childView is ViewGroup viewGroup)
{
for (int j = 0; j <= viewGroup.ChildCount - 1; j++)
{
var childRelativeLayoutView = viewGroup.GetChildAt(j);
if (childRelativeLayoutView is BottomNavigationView bottomNavigationView)
{
bottomNavigationView.SetOnNavigationItemReselectedListener(this);
}
}
}
}
}
}
protected override void OnElementChanged(VisualElementChangedEventArgs e)
{
base.OnElementChanged(e);
if (e.NewElement != null)
{
_page = (MainPage)e.NewElement;
}
else
{
_page = (MainPage)e.OldElement;
}
try
{
var tabbarController = (UITabBarController)this.ViewController;
if (null != tabbarController)
{
tabbarController.ViewControllerSelected += OnTabbarControllerItemSelected;
}
}
catch (Exception exception)
{
Console.WriteLine(exception);
}
}
public App()
{
InitializeComponent();
TabbedPage myTabbedPage = new MyTabbedPage();
MainPage = myTabbedPage;
}
protected override void OnElementChanged(ElementChangedEventArgs <TabbedPage> e)
{
base.OnElementChanged(e);
if (e.NewElement != null)
{
_page = (MyTabbedPage)e.NewElement;
}
else
{
_page = (MyTabbedPage)e.OldElement;
}
}
public UserMasterDetailPage(User user)
{
InitializeComponent();
NavigationPage.SetHasNavigationBar(this, false);
#pragma warning disable 618
pastryShopList = new PastryShopList()
{
Icon = Device.OnPlatform("shop.png", null, "shop.png"),
Title = "Liste des pâtisseries"
};
productList = new ProductList()
{
Icon = Device.OnPlatform("products.png", null, "products.png"),
Title = "Liste des Produits"
};
#pragma warning restore 618
MyTabbedPage tab = new MyTabbedPage(this)
{
Children =
{
pastryShopList,
productList
}
};
Master = new UserMasterPage(this, user);
switch (Device.RuntimePlatform)
{
case Device.iOS:
Detail = new NavigationPage(tab);
break;
case Device.Android:
Detail = new NavigationPage(tab);
break;
case Device.WinPhone:
case Device.Windows:
Detail = tab;
break;
default:
Detail = new NavigationPage(tab);;
break;
}
IsPresentedChanged += UserMasterDetailPage_IsPresentedChanged;
}
public App()
{
MainPage = new MyTabbedPage();
}
