public App()
{
InitializeComponent();
DependencyService.Register <NavigationService>();
DependencyService.Register <AzureQuestionService>();
if (AuthStorage.HasLoggedIn)
{
AuthStorage.LoadSavedUserDetails(client);
App.NavigateToExamPage();
}
else
{
App.NavigateToSigninPage();
}
}
async Task LoginToAuthenticationProvider(MobileServiceAuthenticationProvider provider)
{
// Check that we don't have a saved login
if (AuthStorage.HasLoggedIn)
{
// Automatically load the credentials if we have
AuthStorage.LoadSavedUserDetails(client);
App.NavigateToExamPage();
return;
}
// Perform the login
var loginService = DependencyService.Get <IAzurePlatformLogin>();
client.CurrentUser = await loginService.PerformLogin(client, provider);
// Save the fact that we have logged in
if (client.CurrentUser != null)
{
AuthStorage.SaveUserDetails(client);
App.NavigateToExamPage();
}
}