private void RegisterBackgroundTask()
{
var task = BackgroundTaskSample.RegisterBackgroundTask(BackgroundTaskSample.SampleBackgroundTaskEntryPoint,
BackgroundTaskSample.SampleBackgroundTaskWithConditionName,
new SystemTrigger(SystemTriggerType.UserAway, false), null);
AttachProgressAndCompletedHandlers(task);
UpdateUI();
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
foreach (var task in BackgroundTaskRegistration.AllTasks)
{
AttachProgressAndCompletedHandlers(task.Value);
BackgroundTaskSample.UpdateBackgroundTaskStatus(BackgroundTaskSample.TimeTriggeredTaskName, true);
}
base.OnNavigatedTo(e);
}
private void DoYourBackgroundWork(IBackgroundTaskInstance taskInstance)
{
IBackgroundTask task = null;
if (taskInstance.Task.Name == "MyBackgroundTask")
{
task = new BackgroundTaskSample();
}
task?.Run(taskInstance);
}
/// <summary>
/// Register a TimeTriggeredTask.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void RegisterBackgroundTask(object sender, RoutedEventArgs e)
{
//
// Time triggered tasks can only run when the application is on the lock screen.
// Time triggered tasks can be registered even if the application is not on the lockscreen.
//
await BackgroundExecutionManager.RequestAccessAsync();
var task = BackgroundTaskSample.RegisterBackgroundTask(BackgroundTaskSample.SampleBackgroundTaskEntryPoint,
BackgroundTaskSample.TimeTriggeredTaskName,
new TimeTrigger(30, false),
null);
AttachProgressAndCompletedHandlers(task);
}
private Boolean AttachTask()
{
Boolean _status = false;
foreach (var task in BackgroundTaskRegistration.AllTasks)
{
if (task.Value.Name == BackgroundTaskSample.SampleBackgroundTaskWithConditionName)
{
_status = true;
AttachProgressAndCompletedHandlers(task.Value);
BackgroundTaskSample.UpdateBackgroundTaskStatus(BackgroundTaskSample.SampleBackgroundTaskWithConditionName, true);
break;
}
}
return(_status);
}
/// <summary>
/// Unregister a TimeTriggeredTask.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UnregisterBackgroundTask(object sender, RoutedEventArgs e)
{
BackgroundTaskSample.UnregisterBackgroundTasks(BackgroundTaskSample.TimeTriggeredTaskName);
}
private void UnregisterBackgroundTask()
{
BackgroundTaskSample.UnregisterBackgroundTasks(BackgroundTaskSample.SampleBackgroundTaskWithConditionName);
UpdateUI();
}
