private void HandleAppRefresh(BGAppRefreshTask task)
{
try
{
loggerService.StartMethod();
ScheduleAppRefresh();
var queue = new NSOperationQueue();
queue.MaxConcurrentOperationCount = 1;
task.ExpirationHandler = () =>
{
loggerService.Info("Task expired.");
queue.CancelAllOperations();
};
var operation = new DeleteOldLogsOperation(loggerService, logFileService);
operation.CompletionBlock = () =>
{
loggerService.Info($"Operation completed. operation.IsCancelled: {operation.IsCancelled}");
task.SetTaskCompleted(!operation.IsCancelled);
};
queue.AddOperation(operation);
loggerService.EndMethod();
}
catch
{
// do nothing
}
}
// Fetch the latest feed entries from server.
void HandleAppRefresh(BGAppRefreshTask task)
{
ScheduleAppRefresh();
task.ExpirationHandler = () => operations.CancelOperations();
operations.FetchLatestPosts(task);
}
void HandleAppRefresh(BGAppRefreshTask task)
{
Schedule();
var queue = new NSOperationQueue();
var operation = new WidgetRefreshOperation(RefreshAction, Verbose);
task.ExpirationHandler = () => {
queue.CancelAllOperations();
};
operation.CompletionBlock = () => {
task.SetTaskCompleted(!operation.IsCancelled);
};
queue.AddOperation(operation);
}
private void HandleSendLogAsync(BGAppRefreshTask task)
{
_loggerService.StartMethod();
ScheduleSendEventLog();
var cancellationTokenSource = new CancellationTokenSource();
task.ExpirationHandler = cancellationTokenSource.Cancel;
_ = Task.Run(async() =>
{
_loggerService.Info("HandleSendLogAsync() Task.Run() start");
try
{
await _eventLogRepository.RotateAsync(
AppConstants.EventLogFileExpiredSeconds);
await _eventLogService.SendAllAsync(
AppConstants.EventLogMaxRequestSizeInBytes,
AppConstants.EventLogMaxRetry);
task.SetTaskCompleted(true);
}
catch (OperationCanceledException exception)
{
_loggerService.Exception($"Background task canceled.", exception);
task.SetTaskCompleted(false);
}
catch (Exception exception)
{
_loggerService.Exception($"Exception", exception);
task.SetTaskCompleted(false);
}
finally
{
cancellationTokenSource.Dispose();
_loggerService.Info("HandleSendLogAsync() Task.Run() end");
}
});
_loggerService.EndMethod();
}
private void HandleAppRefresh(BGAppRefreshTask task)
{
Debug.WriteLine("HandleAppRefresh started");
ScheduleAppRefresh();
var queue = new NSOperationQueue();
queue.MaxConcurrentOperationCount = 1;
double latitude = 0;
double longitude = 0;
var n = new Random().Next(0, 2);
if (n == 0)
{
// H12
latitude = 64.096501;
longitude = -21.890178;
}
else
{
// Arion
latitude = 64.145549;
longitude = -21.905449;
}
var pingOperation = new PingOperation(latitude, longitude, "205558e0-f226-446d-a769-aaceb3b2a880", urlSession);
task.ExpirationHandler = () =>
{
queue.CancelAllOperations();
};
pingOperation.CompletionBlock = () =>
{
Debug.WriteLine("Ping operation completed");
task.SetTaskCompleted(!pingOperation.IsCancelled);
};
queue.AddOperation(pingOperation);
}