private async void OnTabbarControllerItemSelected(object sender, UITabBarSelectionEventArgs eventArgs)
{
if (previousTabbedViewController != eventArgs.ViewController)
{
previousTabbedViewController = eventArgs.ViewController;
return;
}
previousTabbedViewController = eventArgs.ViewController;
if (mainTabbedPage?.CurrentPage?.Navigation == null)
{
return;
}
if (App.Current.MainPage?.Navigation == null)
{
return;
}
if (IsNumberOfPageDepthMoreThanOne())
{
Debug.WriteLine("Pop Page");
await App.Current.MainPage.Navigation.PopToRootAsync();
}
else if (mainTabbedPage.CurrentPage.Title != null)
{
ScrollToTopOfPage();
}
}
private async void OnTabbarControllerItemSelected(object sender, UITabBarSelectionEventArgs eventArgs)
{
if (_page?.CurrentPage?.Navigation != null && _page.CurrentPage.Navigation.NavigationStack.Count > 0)
{
//Perform logic for reselecting tab
}
}
private async void OnTabbarControllerItemSelected(object sender, UITabBarSelectionEventArgs eventArgs)
{
if (_page?.CurrentPage?.Navigation != null && _page.CurrentPage.Navigation.NavigationStack.Count > 0)
{
await _page.CurrentPage.Navigation.PopToRootAsync();
}
}
private void TabbarController_ViewControllerSelected(object sender, UITabBarSelectionEventArgs e)
{
if (this.Element != null)
{
(this.Element as BottomBarPage).RaiseCurrentPageChanged();
}
}
private void OnViewControllerSelected(object sender, UITabBarSelectionEventArgs uiTabBarSelectionEventArgs)
{
if (uiTabBarSelectionEventArgs.ViewController is UINavigationController)
{
((UINavigationController)uiTabBarSelectionEventArgs.ViewController).PopToRootViewController(false);
}
}
void OnTabbarControllerItemSelected(object sender, UITabBarSelectionEventArgs eventArgs)
{
if (_page?.CurrentPage?.Navigation != null && _page.CurrentPage.Navigation.NavigationStack.Count > 0)
{
//Debug.WriteLine("Tab Tapped");
//Handle Tab Tapped
}
}
private void OnViewControllerSelected(object sender, UITabBarSelectionEventArgs e)
{
if (e.ViewController == _lastSelected && e.ViewController is IScrollableView scrollable)
{
scrollable.ScrollToTop();
}
_lastSelected = e.ViewController;
return;
}
public void OnSelected (object sender, UITabBarSelectionEventArgs a)
{
var vc = ViewControllers;
for (int i = 0; i < vc.Length; i++) {
if (vc[i] == a.ViewController) {
selected = i;
UpdatePosition (true);
return;
}
}
}
private static void TabBarOnViewControllerSelected(object sender, UITabBarSelectionEventArgs args)
{
if (args.ViewController == null)
{
TabBarSelectedItemMember.SetValue(sender, BindingExtensions.NullValue);
}
else
{
TabBarSelectedItemMember.SetValue((UITabBarController)sender,
BindingServiceProvider.ContextManager.GetBindingContext(args.ViewController).Value);
}
}
private static void TabBarOnViewControllerSelected(object sender, UITabBarSelectionEventArgs args)
{
var tabBarController = (UITabBarController)sender;
if (args.ViewController == null)
{
tabBarController.SetBindingMemberValue(AttachedMembers.UITabBarController.SelectedItem, BindingExtensions.NullValue);
}
else
{
tabBarController.SetBindingMemberValue(AttachedMembers.UITabBarController.SelectedItem, args.ViewController.DataContext());
}
}
private void ColorPickerViewController_ViewControllerSelected(object sender, UITabBarSelectionEventArgs e)
{
var currentViewController = this.ViewControllers[_currentIndex];
if (e.ViewController.Title == "Dummy")
{
this.SelectedViewController = currentViewController;
}
else
{
var index = Array.IndexOf(this.ViewControllers, e.ViewController);
_currentIndex = index;
}
}
public void OnSelected(object sender, UITabBarSelectionEventArgs a)
{
var vc = ViewControllers;
for (int i = 0; i < vc.Length; i++)
{
if (vc [i] == a.ViewController)
{
selected = i;
UpdatePosition(true);
return;
}
}
}
/// <summary>
/// When a user is watching a sign demonstration and clicks on the
/// dictionary tab, the app will crash because it's trying to navigate
/// away from a playing video. This handles that case and pauses the
/// video before the app transitions away from the video, allowing
/// for a smooth transition back to the dictionary.
///
/// Transitioning to another tab (not back to the dictionary) from a
/// playing video is handled by the SignDemonstration class itself.
/// </summary>
/// <param name="sender">Sender.</param>
/// <param name="eventArgs">Event arguments.</param>
private void OnTabbarControllerItemSelected(object sender, UITabBarSelectionEventArgs eventArgs)
{
var currentPage = tabsPage.CurrentPage;
// Check if the current page is a NavigationPage
if (currentPage.GetType().Equals(typeof(NavigationPage)))
{
// Go one more "current page" deep. This could be a sign demonstration
var currentPage2 = ((NavigationPage)currentPage).CurrentPage;
// If the second current page is a SignDemonstration, need to pause video
if (currentPage2.GetType().Equals(typeof(SignDemonstration)))
{
SignDemonstration signDemonstration = (SignDemonstration)currentPage2;
signDemonstration.pauseVideo();
}
}
}
void OnTabBarReselected(object sender, UITabBarSelectionEventArgs e)
{
var tabbedPage = Xamarin.Forms.Application.Current.MainPage as MyTabbedPage;
var currentNavigationPage = tabbedPage.CurrentPage as NavigationPage;
if (currentNavigationPage.RootPage is PuzzlePage)
{
Device.BeginInvokeOnMainThread(() =>
{
if (currentNavigationPage.Title.Equals("Puzzle"))
{
currentNavigationPage.Icon = "Settings";
currentNavigationPage.Title = "Settings";
}
else
{
currentNavigationPage.Icon = "Puzzle";
currentNavigationPage.Title = "Puzzle";
}
});
}
}
private static void TabBarOnViewControllerSelected(object sender, UITabBarSelectionEventArgs args)
{
var tabBarController = (UITabBarController)sender;
if (args.ViewController == null)
tabBarController.SetBindingMemberValue(AttachedMembers.UITabBarController.SelectedItem, BindingExtensions.NullValue);
else
tabBarController.SetBindingMemberValue(AttachedMembers.UITabBarController.SelectedItem, args.ViewController.DataContext());
}
private void TabSelected(object sender, UITabBarSelectionEventArgs e)
{
this.SelectTabAt((int)this.SelectedIndex);
}
void TabController_ViewControllerSelected(object sender, UITabBarSelectionEventArgs e)
{
this.Title = e.ViewController.Title;
}
private void HandleItemClick(UITabBarSelectionEventArgs e)
{
ViewModel.SelectedIndex = (int)TabController.SelectedIndex;
}
private void TabSelected(object sender, UITabBarSelectionEventArgs e)
{
this.SelectTabAt((int)this.SelectedIndex);
}
void HandleViewControllerSelected(object sender, UITabBarSelectionEventArgs e)
{
UpdateBadge(3, 0);
}
private void HandleViewControllerSelected(object sender, UITabBarSelectionEventArgs e)
{
MoveArrowToSelectedTab();
}
private void HandleViewControllerSelected(object sender, UITabBarSelectionEventArgs e)
{
MoveArrowToSelectedTab();
}
void OnSelected(object sender, UITabBarSelectionEventArgs e)
{
Title = "#" + _tabs [SelectedIndex].TabBarItem.Title;
}
private void OnTabbarControllerItemSelected(object sender, UITabBarSelectionEventArgs eventArgs)
{
HideMenuToolbar();
}
private void BottomTabBarViewController_ViewControllerSelected(object sender, UITabBarSelectionEventArgs e)
{
var item = GetBottomTabBarItem(e.ViewController);
ViewModel.NavigateToItemCommand.Execute(item);
}
void HandleTabBarControllerViewControllerSelected (object sender, UITabBarSelectionEventArgs e)
{
_currentNavControler = (UINavigationController)e.ViewController;
if (e.ViewController == buzzNavigationController)
return;
if (e.ViewController == meNavigationController)
return;
if (e.ViewController == shareNavigationController)
{
GotoToShare();
}
else
{
if (shareNavigationController.VisibleViewController != null)
{
shareNavigationController.PopViewControllerAnimated(false);
}
if (shareNavigationController.ViewControllers.Length >= 1)
{
shareNavigationController.SetViewControllers(new UIViewController[0], false);
}
ShowLoading(window, null);
}
}
void Handle_ViewControllerSelected(object sender, UITabBarSelectionEventArgs e)
{
// On définit comme titre de la page le nom de la page sélectionnée
Title = TabBar.SelectedItem.Title;
}
public void OnTabSelected(object sender, UITabBarSelectionEventArgs e)
{
m_selectedTab = (int)e.ViewController.TabBarController.SelectedIndex;
SelectTab(m_selectedTab);
TabSelectedDelegate?.Invoke(m_selectedTab);
}
