private async Task BackgroundTaskAsync()
{
try
{
_backgroundService = _backgroundServiceCreationFunc();
await _backgroundService.StartAsync();
_messagingCenter.Send <object, BackgroundServiceState>(this,
FromBackgroundMessages.BackgroundServiceState, new BackgroundServiceState(true));
while (!_cancellationTokenSource.IsCancellationRequested)
{
try
{
await _backgroundService.PeriodicTaskAsync();
if (!_cancellationTokenSource.IsCancellationRequested)
{
await Task.Delay(_backgroundService.PeriodicServiceCallInterval, _cancellationTokenSource.Token);
}
}
catch (OperationCanceledException)
{
}
}
}
catch (Exception e)
{
Debug.WriteLine(e);
}
}
private void ScheduleNext()
{
try
{
Task.Run(async() => await _backgroundService.PeriodicTaskAsync()).Wait();
}
catch (Exception e)
{
Android.Util.Log.Error(_serviceName, e.ToString());
}
_handler?.PostDelayed(ScheduleNext,
(long)_backgroundService.PeriodicServiceCallInterval.TotalMilliseconds);
}
