public void Navigate(Type navigatepage, object parameter = null, bool addToBackStack = true)
{
if (Contentframe != null)
{
Contentframe.Navigate(navigatepage, parameter);
if (!addToBackStack)
{
Contentframe.BackStack.RemoveAt(Contentframe.BackStackDepth - 1);
}
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = Contentframe.CanGoBack ? AppViewBackButtonVisibility.Visible : AppViewBackButtonVisibility.Collapsed;
}
}
private void OnBackRequested(object sender, BackRequestedEventArgs e)
{
if (Contentframe.CanGoBack)
{
e.Handled = true;
Contentframe.GoBack();
backButtonTapped = true;
backButtonTapped = false;
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = Contentframe.CanGoBack ? AppViewBackButtonVisibility.Visible : AppViewBackButtonVisibility.Collapsed;
}
}
private void NavView_SelectionChanged(NavigationView sender, NavigationViewSelectionChangedEventArgs args)
{
if (args.IsSettingsSelected)
{
Contentframe.Navigate(typeof(SettingPage));
}
else
{
NavigationViewItem item = args.SelectedItem as NavigationViewItem;
switch (item.Tag)
{
case "home":
Contentframe.Navigate(typeof(HomePage));
NavView.Header = "HomePage";
break;
case "allapp":
Contentframe.Navigate(typeof(AllAppsPage));
NavView.Header = "HosePage";
break;
case "video":
Contentframe.Navigate(typeof(CameraPage));
NavView.Header = "CameraPage";
break;
case "camera":
Contentframe.Navigate(typeof(PicturePage));
NavView.Header = "PicturePage";
break;
case "picture":
Contentframe.Navigate(typeof(VideoPage));
NavView.Header = "VideoPage";
break;
}
}
}
