/// <summary>
/// ViewModel 資料初始化
/// </summary>
/// <returns></returns>
private async Task ViewModelInit()
{
Title = "你有一則新留言";
NaviPageSource.Clear();
NaviPageSource.Add("首頁");
NaviPageSource.Add("明細頁面");
NaviPageSelectedItem = NaviPageSource[1];
StyleSource.Clear();
StyleSource.Add(LocalNotificationStyleEnum.BigText.ToString());
StyleSource.Add(LocalNotificationStyleEnum.Image.ToString());
StyleSource.Add(LocalNotificationStyleEnum.Inbox.ToString());
StyleSource.Add(LocalNotificationStyleEnum.Normal.ToString());
StyleSelectedItem = StyleSource[0];
VisibilitySource.Clear();
VisibilitySource.Add(LocalNotificationVisibilityEnum.Private.ToString());
VisibilitySource.Add(LocalNotificationVisibilityEnum.Public.ToString());
VisibilitySource.Add(LocalNotificationVisibilityEnum.Secret.ToString());
VisibilitySelectedItem = VisibilitySource[0];
PrioritySource.Clear();
PrioritySource.Add(LocalNotificationPriorityEnum.Default.ToString());
PrioritySource.Add(LocalNotificationPriorityEnum.High.ToString());
PrioritySource.Add(LocalNotificationPriorityEnum.Low.ToString());
PrioritySource.Add(LocalNotificationPriorityEnum.Maximum.ToString());
PrioritySource.Add(LocalNotificationPriorityEnum.Minimum.ToString());
PrioritySelectedItem = PrioritySource[0];
CategorySource.Clear();
CategorySource.Add(LocalNotificationCategoryEnum.Alarm.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.Call.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.Email.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.Error.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.Event.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.Message.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.Progress.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.Promo.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.Recommendation.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.Service.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.Social.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.Status.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.System.ToString());
CategorySource.Add(LocalNotificationCategoryEnum.Transport.ToString());
CategorySelectedItem = CategorySource[0];
ResetContentText();
await Task.Delay(100);
}