BudgetAnalyser.Mobile.UploadMobileDataController.OnShellDialogMessageReceived C# (CSharp) Method

        private async void OnShellDialogMessageReceived(ShellDialogResponseMessage message)
        {
            if (!message.IsItForMe(this.correlationId)) return;

            try
            {
                if (message.Response == ShellDialogButton.Cancel) return;
                var changed = AccessKeyId != this.widget.LedgerBook.MobileSettings.AccessKeyId;
                changed |= AccessKeySecret != this.widget.LedgerBook.MobileSettings.AccessKeySecret;
                changed |= AmazonRegion != this.widget.LedgerBook.MobileSettings.AmazonS3Region;
                if (changed)
                {
                    this.widget.LedgerBook.MobileSettings.AccessKeyId = AccessKeyId;
                    this.widget.LedgerBook.MobileSettings.AccessKeySecret = AccessKeySecret;
                    this.widget.LedgerBook.MobileSettings.AmazonS3Region = AmazonRegion;
                    this.appDbService.NotifyOfChange(ApplicationDataType.Ledger);
                }
                await AttemptUploadAsync();
            }
            finally
            {
                this.widget = null;
            }
        }