private void ScheduleCallbackAlarm(ScheduledCallback callback, PendingIntent callbackPendingIntent)
{
AlarmManager alarmManager = _service.GetSystemService(global::Android.Content.Context.AlarmService) as AlarmManager;
// cancel the current alarm for this callback id. this deals with the situations where (1) sensus schedules callbacks
// and is subsequently restarted, or (2) a probe is restarted after scheduling callbacks (e.g., script runner). in
// these situations, the originally scheduled callbacks will remain in the alarm manager, and we'll begin piling up
// additional, duplicate alarms. we need to be careful to avoid duplicate alarms, and this is how we manage it.
alarmManager.Cancel(callbackPendingIntent);
long callbackTimeMS = callback.NextExecution.Value.ToJavaCurrentTimeMillis();
// see the Backwards Compatibility article for more information
#if __ANDROID_23__
if (Build.VERSION.SdkInt >= BuildVersionCodes.M)
{
alarmManager.SetExactAndAllowWhileIdle(AlarmType.RtcWakeup, callbackTimeMS, callbackPendingIntent); // API level 23 added "while idle" option, making things even tighter.
}
else if (Build.VERSION.SdkInt >= BuildVersionCodes.Kitkat)
{
alarmManager.SetExact(AlarmType.RtcWakeup, callbackTimeMS, callbackPendingIntent); // API level 19 differentiated Set (loose) from SetExact (tight)
}
else
#endif
{
alarmManager.Set(AlarmType.RtcWakeup, callbackTimeMS, callbackPendingIntent); // API 1-18 treats Set as a tight alarm
}
SensusServiceHelper.Get().Logger.Log("Alarm scheduled for callback " + callback.Id + " at " + callback.NextExecution.Value + ".", LoggingLevel.Normal, GetType());
}
private void ScheduleCallbackAlarm(PendingIntent callbackPendingIntent, TimeSpan delay)
{
AlarmManager alarmManager = _service.GetSystemService(global::Android.Content.Context.AlarmService) as AlarmManager;
// cancel the current alarm for this callback id. this deals with the situations where (1) sensus schedules callbacks
// and is subsequently restarted, or (2) a probe is restarted after scheduling callbacks (e.g., script runner). in
// these situations, the originally scheduled callbacks will remain in the alarm manager, and we'll begin piling up
// additional, duplicate alarms. we need to be careful to avoid duplicate alarms, and this is how we manage it.
alarmManager.Cancel(callbackPendingIntent);
long callbackTimeMS = Java.Lang.JavaSystem.CurrentTimeMillis() + (long)delay.TotalMilliseconds;
// https://github.com/predictive-technology-laboratory/sensus/wiki/Backwards-Compatibility
#if __ANDROID_23__
if (Build.VERSION.SdkInt >= BuildVersionCodes.M)
{
alarmManager.SetExactAndAllowWhileIdle(AlarmType.RtcWakeup, callbackTimeMS, callbackPendingIntent); // API level 23 added "while idle" option, making things even tighter.
}
else if (Build.VERSION.SdkInt >= BuildVersionCodes.Kitkat)
{
alarmManager.SetExact(AlarmType.RtcWakeup, callbackTimeMS, callbackPendingIntent); // API level 19 differentiated Set (loose) from SetExact (tight)
}
else
#endif
{
alarmManager.Set(AlarmType.RtcWakeup, callbackTimeMS, callbackPendingIntent); // API 1-18 treats Set as a tight alarm
}
}
protected override void UnscheduleCallbackPlatformSpecific(string callbackId)
{
lock (_callbackIdPendingIntent)
{
PendingIntent callbackPendingIntent;
if (_callbackIdPendingIntent.TryGetValue(callbackId, out callbackPendingIntent))
{
AlarmManager alarmManager = _service.GetSystemService(global::Android.Content.Context.AlarmService) as AlarmManager;
alarmManager.Cancel(callbackPendingIntent);
_callbackIdPendingIntent.Remove(callbackId);
}
}
}
public AndroidNotifier(AndroidSensusService service)
{
_service = service;
_notificationManager = _service.GetSystemService(global::Android.Content.Context.NotificationService) as NotificationManager;
}