private async void OnImageTapped(Object sender, EventArgs e)
{
var selectedItem = (SocialGalleryImage)sender;
var socialGalleryImagePreview = new SocialGalleryImagePreviewPage(selectedItem.Image);
await Navigation.PushModalAsync(NavigationPageHelper.Create(socialGalleryImagePreview));
}
public async Task NavigateToSample(INavigation navigation)
{
SampleCoordinator.RaiseSampleSelected(this);
if (_justNotifyNavigateIntent)
{
return;
}
if (_customNavigation != null)
{
_customNavigation(navigation);
return;
}
int popCount = 0;
int firstPageToPopIndex = 0;
if (_pageType == typeof(RootPage))
{
// navigation.PopToRootAsync() does't work in old Android versions
// and we need to go back to the top anyways
popCount = navigation.NavigationStack.Count - 1;
}
else
{
for (int i = navigation.NavigationStack.Count - 1; i >= 0; i--)
{
if (navigation.NavigationStack[i].GetType() == _pageType)
{
firstPageToPopIndex = i + 1;
popCount = navigation.NavigationStack.Count - 1 - i;
break;
}
}
}
if (popCount > 0)
{
for (int i = 1; i < popCount; i++)
{
navigation.RemovePage(navigation.NavigationStack[firstPageToPopIndex]);
}
await navigation.PopAsync();
return;
}
var page = CreateContentPage();
if (_modal)
{
await navigation.PushModalAsync(NavigationPageHelper.Create(page));
}
else
{
await navigation.PushAsync(page);
}
}
public RootPage(bool sayWelcome)
{
InitializeComponent();
_showWelcome = sayWelcome;
// Empty pages are initially set to get optimal launch experience
Master = new ContentPage {
Title = "Grial"
};
Detail = NavigationPageHelper.Create(new ContentPage());
}
protected async override void OnAppearing()
{
base.OnAppearing();
SampleCoordinator.SampleSelected += SampleCoordinator_SampleSelected;
if (_showWelcome)
{
_showWelcome = false;
await Navigation.PushModalAsync(NavigationPageHelper.Create(new WelcomePage()));
await Task.Delay(500)
.ContinueWith(t => NavigationService.BeginInvokeOnMainThreadAsync(InitializeMasterDetail));
}
else
{
InitializeMasterDetail();
}
}
private async void OnImageTapped(Object sender, EventArgs e)
{
var imagePreview = new ProductImageFullScreenPage((sender as FFImageLoading.Forms.CachedImage).Source);
await Navigation.PushModalAsync(NavigationPageHelper.Create(imagePreview));
}
private void LaunchSampleInDetail(Page page, bool animated)
{
Detail = NavigationPageHelper.Create(page);
IsPresented = false;
}
private void InitializeMasterDetail()
{
Master = new MainMenuPage(new NavigationService(Navigation, LaunchSampleInDetail));
Detail = NavigationPageHelper.Create(new DashboardPage());
}
