public App()
{
current = this;
InitializeComponent();
ViewModelBase.Init();
// The root page of your application
switch (Device.OS)
{
case TargetPlatform.Android:
MainPage = new RootPageAndroid();
break;
case TargetPlatform.iOS:
MainPage = new EvolveNavigationPage(new RootPageiOS());
break;
case TargetPlatform.Windows:
case TargetPlatform.WinPhone:
MainPage = new RootPageWindows();
break;
default:
throw new NotImplementedException();
}
}
public void NavigateAsync(AppPage menuId)
{
Page newPage = null;
if (!pages.ContainsKey(menuId))
{
//only cache specific pages
switch (menuId)
{
case AppPage.Feed: //Feed
pages.Add(menuId, new EvolveNavigationPage(new FeedPage()));
break;
case AppPage.Sessions: //sessions
pages.Add(menuId, new EvolveNavigationPage(new SessionsPage()));
break;
case AppPage.Schedule: //events
pages.Add(menuId, new EvolveNavigationPage(new EventsPage()));
break;
case AppPage.Sponsors: //sponsors
newPage = new EvolveNavigationPage(new SponsorsPage());
break;
case AppPage.Venue: //venue
newPage = new EvolveNavigationPage(new VenuePage());
break;
case AppPage.FloorMap: //Floor Maps
newPage = new EvolveNavigationPage(new FloorMapsPage());
break;
case AppPage.Settings: //Settings
newPage = new EvolveNavigationPage(new SettingsPage());
break;
}
}
if (newPage == null)
{
newPage = pages[menuId];
}
if (newPage == null)
{
return;
}
Detail = newPage;
//await Navigation.PushAsync(newPage);
}
public async Task NavigateAsync(int menuId)
{
EvolveNavigationPage newPage = null;
if (!pages.ContainsKey(menuId))
{
//only cache specific pages
switch (menuId)
{
case (int)AppPage.Feed: //Feed
pages.Add(menuId, new EvolveNavigationPage(new FeedPage()));
break;
case (int)AppPage.Sessions: //sessions
pages.Add(menuId, new EvolveNavigationPage(new SessionsPage()));
break;
case (int)AppPage.Schedule: //events
pages.Add(menuId, new EvolveNavigationPage(new EventsPage()));
break;
case (int)AppPage.Gallery: //gallery
pages.Add(menuId, new EvolveNavigationPage(new GalleryPage()));
break;
case (int)AppPage.Sponsors: //sponsors
newPage = new EvolveNavigationPage(new SponsorsPage());
break;
case (int)AppPage.Venue: //venue
newPage = new EvolveNavigationPage(new VenuePage());
break;
case (int)AppPage.FloorMap: //Floor Maps
newPage = new EvolveNavigationPage(new FloorMapsPage());
break;
case (int)AppPage.LunchLocations: //Lunch!
newPage = new EvolveNavigationPage(new LunchLocationsPage());
break;
case (int)AppPage.Settings: //Settings
newPage = new EvolveNavigationPage(new SettingsPage());
break;
}
}
if (newPage == null)
{
newPage = pages[menuId];
}
if (newPage == null)
{
return;
}
//if we are on the same tab and pressed it again.
if (Detail == newPage)
{
await newPage.Navigation.PopToRootAsync();
}
Detail = newPage;
}
protected override void OnResume()
{
if (registered)
{
return;
}
registered = true;
// Handle when your app resumes
Settings.Current.IsConnected = CrossConnectivity.Current.IsConnected;
CrossConnectivity.Current.ConnectivityChanged += ConnectivityChanged;
// Handle when your app starts
MessagingService.Current.Subscribe <MessagingServiceAlert>(MessageKeys.Message, async(m, info) =>
{
var task = Application.Current?.MainPage?.DisplayAlert(info.Title, info.Message, info.Cancel);
if (task == null)
{
return;
}
await task;
info?.OnCompleted?.Invoke();
});
MessagingService.Current.Subscribe <MessagingServiceQuestion>(MessageKeys.Question, async(m, q) =>
{
var task = Application.Current?.MainPage?.DisplayAlert(q.Title, q.Question, q.Positive, q.Negative);
if (task == null)
{
return;
}
var result = await task;
q?.OnCompleted?.Invoke(result);
});
MessagingService.Current.Subscribe <MessagingServiceChoice>(MessageKeys.Choice, async(m, q) =>
{
var task = Application.Current?.MainPage?.DisplayActionSheet(q.Title, q.Cancel, q.Destruction, q.Items);
if (task == null)
{
return;
}
var result = await task;
q?.OnCompleted?.Invoke(result);
});
MessagingService.Current.Subscribe(MessageKeys.NavigateLogin, async m =>
{
if (Device.OS == TargetPlatform.Android)
{
((RootPageAndroid)MainPage).IsPresented = false;
}
Page page = null;
if (Settings.Current.FirstRun && Device.OS == TargetPlatform.Android)
{
page = new LoginPage();
}
else
{
page = new EvolveNavigationPage(new LoginPage());
}
var nav = Application.Current?.MainPage?.Navigation;
if (nav == null)
{
return;
}
await NavigationService.PushModalAsync(nav, page);
});
try
{
if (firstRun || Device.OS != TargetPlatform.iOS)
{
return;
}
var mainNav = MainPage as NavigationPage;
if (mainNav == null)
{
return;
}
var rootPage = mainNav.CurrentPage as RootPageiOS;
if (rootPage == null)
{
return;
}
var rootNav = rootPage.CurrentPage as NavigationPage;
if (rootNav == null)
{
return;
}
var about = rootNav.CurrentPage as AboutPage;
if (about != null)
{
about.OnResume();
return;
}
var sessions = rootNav.CurrentPage as SessionsPage;
if (sessions != null)
{
sessions.OnResume();
return;
}
var feed = rootNav.CurrentPage as FeedPage;
if (feed != null)
{
feed.OnResume();
return;
}
}
catch
{
}
finally
{
firstRun = false;
}
}
private void ResetMainPage()
{
MainPage = new EvolveNavigationPage(Settings.Current.IsLoggedIn ? (Page) new RootPage() : new LoginPage());
}
