public async Task <bool> Authenticate(MobileServiceAuthenticationProvider authProvider)
{
var success = false;
var message = string.Empty;
try
{
if (authProvider.Equals(MobileServiceAuthenticationProvider.Google))
{
// Sign in with Google login using a server-managed flow.
user = await AzureMobileServiceManager.Instance.CurrentClient.LoginAsync(this,
MobileServiceAuthenticationProvider.Google);
}
else
{
// Sign in with Facebook login using a server-managed flow.
user = await AzureMobileServiceManager.Instance.CurrentClient.LoginAsync(this,
MobileServiceAuthenticationProvider.Facebook);
}
if (user != null)
{
Settings.AuthToken = user?.MobileServiceAuthenticationToken ?? string.Empty;
Settings.UserId = user?.UserId ?? string.Empty;
message = string.Format("you are now signed-in as {0}.",
user.UserId);
success = true;
}
}
catch (Exception ex)
{
message = ex.Message;
}
// Display the success or failure message.
// CreateAndShowDialog(message, "Sign-in result");
return(success);
}