private void Authorize(string targetUrl, bool clearExisting)
{
if (clearExisting)
{
WebViewHelper.ClearCookies();
TokenHelper.ClearTokens();
LocalConfiguration.IsLoggedInByFacebook = false;
}
var authorizationUrl = Authorization.GetAuthorizationUrl(targetUrl);
WebViewHelper.Navigate(new Uri(authorizationUrl));
}
public static async void OnUnauthorizedError()
{
if (DateTime.UtcNow - lastNotifyToUser < minimumNotifyDelay)
{
return;
}
lastNotifyToUser = DateTime.UtcNow;
TokenHelper.ClearTokens();
var md = new MessageDialog("Please close and reopen Xpo Music; you may be asked to enter your credentials " +
"again. In the meantime, some features might not work correctly.", "Authorization Error");
await md.ShowAsync();
}