/// <summary>
/// Updates the callbacks when the app is activated. This services any callbacks that should have already been
/// serviced or will be serviced in the near future. This also reissues all silent notifications, which would
/// have been canceled when the app went into the background.
/// </summary>
/// <returns>Async task.</returns>
public async Task UpdateCallbacksOnActivationAsync()
{
foreach (string callbackId in CallbackIds)
{
ScheduledCallback callback = TryGetCallback(callbackId);
if (callback == null)
{
continue;
}
// service any callback that should have already been serviced or will soon be serviced
if (callback.NextExecution.Value < DateTime.Now + CALLBACK_NOTIFICATION_HORIZON_THRESHOLD)
{
iOSNotifier notifier = SensusContext.Current.Notifier as iOSNotifier;
notifier.CancelNotification(callback.Id);
await RaiseCallbackAsync(callback, callback.InvocationId);
}
// all silent notifications (e.g., those for health tests) were cancelled when the app entered background. reissue them now.
// if the notification has already been issued, it will simply be replaced with itself (no change).
else if (callback.Silent)
{
await ReissueSilentNotificationAsync(callback.Id);
}
else
{
SensusServiceHelper.Get().Logger.Log("Non-silent callback notification " + callback.Id + " has upcoming trigger time of " + callback.NextExecution, LoggingLevel.Normal, GetType());
}
}
}
/// <summary>
/// Updates the callbacks when the app is activated. This services any callbacks that should have already been
/// serviced or will be serviced in the near future. This also reissues all silent notifications, which would
/// have been canceled when the app went into the background.
/// </summary>
/// <returns>Async task.</returns>
public async Task UpdateCallbacksOnActivationAsync()
{
IEnumerable <ScheduledCallback> callbacks = CallbackIds
.Select(x => TryGetCallback(x))
.Where(x => x != null)
.OrderBy(x => x.Priority);
foreach (ScheduledCallback callback in callbacks)
{
//ScheduledCallback callback = TryGetCallback(callbackId);
if (callback == null)
{
continue;
}
// service any callback that should have already been serviced or will soon be serviced
if (callback.NextExecution.Value < DateTime.Now + CALLBACK_NOTIFICATION_HORIZON_THRESHOLD)
{
iOSNotifier notifier = SensusContext.Current.Notifier as iOSNotifier;
notifier.CancelNotification(callback.Id);
await RaiseCallbackAsync(callback, callback.InvocationId);
}
else
{
SensusServiceHelper.Get().Logger.Log("Non-silent callback notification " + callback.Id + " has upcoming trigger time of " + callback.NextExecution, LoggingLevel.Normal, GetType());
}
}
}