private async Task AuthPocketAsync() { if (!AuthPocketViaSavedAccessToken()) { pocketClient = new PocketClient(Secrets.PocketAPIConsumerKey); Uri callbackUri = WebAuthenticationBroker.GetCurrentApplicationCallbackUri(); RequestToken requestToken = await pocketClient.ObtainRequestTokenAsync( callbackUri); Uri requestUri = pocketClient.ObtainAuthorizeRequestTokenRedirectUri(requestToken, callbackUri); WebAuthenticationResult result = await WebAuthenticationBroker.AuthenticateSilentlyAsync(requestUri); if (result.ResponseStatus != WebAuthenticationStatus.Success) { result = await WebAuthenticationBroker.AuthenticateAsync( WebAuthenticationOptions.None, requestUri); } AccessToken token = await pocketClient.ObtainAccessTokenAsync(requestToken); ApplicationDataContainer localSettings = Windows.Storage.ApplicationData.Current.LocalSettings; string tokenString = JsonSerializer.Serialize(token); localSettings.Values.Add("accessToken", tokenString); } }