Azure Mobile Services, Part 2: Listing 3

Live Connect/Azure Mobile Service Login Method

private async Task Login()
{
    while (_liveConnectSession == null)
    {
        LiveLoginResult liveLoginResult = await _liveAuthClient.LoginAsync(new[] { "wl.basic" });
        if (liveLoginResult.Status == LiveConnectSessionStatus.Connected)
        {
            _liveConnectSession = liveLoginResult.Session;
            LiveConnectClient liveConnectClient = new LiveConnectClient(liveLoginResult.Session);
            LiveOperationResult liveOpResult = await liveConnectClient.GetAsync("me");
            MobileServiceUser mobileServiceLoginResult = await 
App.MobileService.LoginAsync(liveLoginResult.Session.AuthenticationToken);
            _user = new LiveConnectUser(mobileServiceLoginResult.UserId, 
liveOpResult.Result["first_name"].ToString(), liveOpResult.Result["last_name"].ToString());
            MobileUser.DataContext = _user;
            SignOut.IsEnabled = _liveAuthClient.CanLogout;
            Contact.Visibility = Windows.UI.Xaml.Visibility.Visible;
        }
        else
        {
            _liveConnectSession = null;
            var loginErrorDialog = new MessageDialog("Please log in.", "Login");
            loginErrorDialog.Commands.Add(new UICommand("OK"));
            await loginErrorDialog.ShowAsync();
        }
    }
}

About the Author

Eric Vogel is a Senior Software Developer for Red Cedar Solutions Group in Okemos, Michigan. He is the president of the Greater Lansing User Group for .NET. Eric enjoys learning about software architecture and craftsmanship, and is always looking for ways to create more robust and testable applications. Contact him at vogelvision@gmail.com.