/// <summary>
/// Unregisters all Background Tasks that are not in groups.
/// This will not impact tasks registered with groups.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UnregisterUngroupedTasks(object sender, RoutedEventArgs e)
{
foreach (var cur in BackgroundTaskRegistration.AllTasks)
{
cur.Value.Unregister(true);
BackgroundTaskSample.UpdateBackgroundTaskRegistrationStatus(cur.Value.Name, false);
}
}
/// <summary>
/// Register a ApplicationTriggerTask.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RegisterBackgroundTask(object sender, RoutedEventArgs e)
{
var task = BackgroundTaskSample.RegisterBackgroundTask(BackgroundTaskSample.SampleBackgroundTaskEntryPoint,
BackgroundTaskSample.ApplicationTriggerTaskName,
trigger,
null);
AttachProgressAndCompletedHandlers(task);
UpdateUI();
}
/// <summary>
/// Register a TimeTriggeredTask.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RegisterBackgroundTask(object sender, RoutedEventArgs e)
{
var task = BackgroundTaskSample.RegisterBackgroundTask(null,
BackgroundTaskSample.TimeTriggeredTaskName,
new TimeTrigger(15, false),
null);
AttachProgressAndCompletedHandlers(task);
UpdateUI();
}
/// <summary>
/// Register a ServicingCompleteTask.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RegisterBackgroundTask(object sender, RoutedEventArgs e)
{
var task = BackgroundTaskSample.RegisterBackgroundTask(null,
BackgroundTaskSample.ServicingCompleteTaskName,
new SystemTrigger(SystemTriggerType.ServicingComplete, false),
null);
AttachProgressAndCompletedHandlers(task);
UpdateUI();
}
/// <summary>
/// Initializes the singleton application object. This is the first line of authored code
/// executed, and as such is the logical equivalent of main() or WinMain().
/// </summary>
public App()
{
this.InitializeComponent();
this.Suspending += new SuspendingEventHandler(OnSuspending);
//
// Register a background task with the servicing complete event.
//
BackgroundTaskSample.RegisterServicingCompleteTask();
}
/// <summary>
/// Register a SampleBackgroundTaskWithCondition.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RegisterBackgroundTask(object sender, RoutedEventArgs e)
{
var task = BackgroundTaskSample.RegisterBackgroundTask(null,
BackgroundTaskSample.SampleBackgroundTaskWithConditionName,
new SystemTrigger(SystemTriggerType.TimeZoneChange, false),
new SystemCondition(SystemConditionType.InternetAvailable));
AttachProgressAndCompletedHandlers(task);
UpdateUI();
}
/// <summary>
/// Register a SampleBackgroundTask.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RegisterBackgroundTask(object sender, RoutedEventArgs e)
{
var task = BackgroundTaskSample.RegisterBackgroundTask(BackgroundTaskSample.SampleBackgroundTaskEntryPoint,
BackgroundTaskSample.SampleBackgroundTaskName,
new SystemTrigger(SystemTriggerType.TimeZoneChange, false),
null);
AttachProgressAndCompletedHandlers(task);
UpdateUI();
}
/// <summary>
/// Update the scenario UI.
/// </summary>
private async void UpdateUI()
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
RegisterButton.IsEnabled = !BackgroundTaskSample.SampleBackgroundTaskWithConditionRegistered;
UnregisterButton.IsEnabled = BackgroundTaskSample.SampleBackgroundTaskWithConditionRegistered;
Progress.Text = BackgroundTaskSample.SampleBackgroundTaskWithConditionProgress;
Status.Text = BackgroundTaskSample.GetBackgroundTaskStatus(BackgroundTaskSample.SampleBackgroundTaskWithConditionName);
});
}
/// <summary>
/// Register a ServicingCompleteTask.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void RegisterBackgroundTask(object sender, RoutedEventArgs e)
{
var task = BackgroundTaskSample.RegisterBackgroundTask(BackgroundTaskSample.ServicingCompleteTaskEntryPoint,
BackgroundTaskSample.ServicingCompleteTaskName,
new SystemTrigger(SystemTriggerType.ServicingComplete, false),
null);
await task;
AttachProgressAndCompletedHandlers(task.Result);
UpdateUI();
}
/// <summary>
/// Update the scenario UI.
/// </summary>
private async void UpdateUI()
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
RegisterButton.IsEnabled = !BackgroundTaskSample.ServicingCompleteTaskRegistered;
UnregisterButton.IsEnabled = BackgroundTaskSample.ServicingCompleteTaskRegistered;
Progress.Text = BackgroundTaskSample.ServicingCompleteTaskProgress;
Status.Text = BackgroundTaskSample.GetBackgroundTaskStatus(BackgroundTaskSample.ServicingCompleteTaskName);
});
}
/// <summary>
/// Update the scenario UI.
/// </summary>
private async void UpdateUI()
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
RegisterButton.IsEnabled = !BackgroundTaskSample.ApplicationTriggerTaskRegistered;
UnregisterButton.IsEnabled = BackgroundTaskSample.ApplicationTriggerTaskRegistered;
SignalButton.IsEnabled = BackgroundTaskSample.ApplicationTriggerTaskRegistered & (trigger != null);
Progress.Text = BackgroundTaskSample.ApplicationTriggerTaskProgress;
Result.Text = BackgroundTaskSample.ApplicationTriggerTaskResult;
Status.Text = BackgroundTaskSample.GetBackgroundTaskStatus(BackgroundTaskSample.ApplicationTriggerTaskName);
});
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
foreach (var task in BackgroundTaskRegistration.AllTasks)
{
if (task.Value.Name == BackgroundTaskSample.ServicingCompleteTaskName)
{
AttachProgressAndCompletedHandlers(task.Value);
BackgroundTaskSample.UpdateBackgroundTaskStatus(BackgroundTaskSample.ServicingCompleteTaskName, true);
break;
}
}
UpdateUI();
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
group = BackgroundTaskSample.GetTaskGroup(BackgroundTaskSample.BackgroundTaskGroupId, BackgroundTaskSample.BackgroundTaskGroupFriendlyName);
foreach (var task in group.AllTasks)
{
if (task.Value.Name == BackgroundTaskSample.GroupedBackgroundTaskName)
{
AttachProgressAndCompletedHandlers(task.Value);
BackgroundTaskSample.UpdateBackgroundTaskRegistrationStatus(BackgroundTaskSample.GroupedBackgroundTaskName, true);
break;
}
}
UpdateUI();
}
/// <summary>
/// Register for grouped background task events in the Application constructor.
/// </summary>
partial void Construct()
{
var group = BackgroundTaskSample.GetTaskGroup(BackgroundTaskSample.BackgroundTaskGroupId, BackgroundTaskSample.BackgroundTaskGroupFriendlyName);
group.BackgroundActivated += BackgroundActivity.Start;
}
/// <summary>
/// Unregister a ServicingCompleteTask.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UnregisterBackgroundTask(object sender, RoutedEventArgs e)
{
BackgroundTaskSample.UnregisterBackgroundTasks(BackgroundTaskSample.ServicingCompleteTaskName);
UpdateUI();
}
/// <summary>
/// Unregister a Grouped Background Task.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UnregisterGroupedTask(object sender, RoutedEventArgs e)
{
BackgroundTaskSample.UnregisterBackgroundTasks(BackgroundTaskSample.GroupedBackgroundTaskName, group);
UpdateUI();
}
/// <summary>
/// Unregister a TimeTriggeredTask.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UnregisterBackgroundTask(object sender, RoutedEventArgs e)
{
BackgroundTaskSample.UnregisterBackgroundTasks(BackgroundTaskSample.TimeTriggeredTaskName);
UpdateUI();
}
/// <summary>
/// Unregister a ApplicationTriggerTask.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UnregisterBackgroundTask(object sender, RoutedEventArgs e)
{
BackgroundTaskSample.UnregisterBackgroundTasks(BackgroundTaskSample.ApplicationTriggerTaskName);
BackgroundTaskSample.ApplicationTriggerTaskResult = "";
UpdateUI();
}
/// <summary>
/// Unregister a SampleBackgroundTaskWithCondition.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UnregisterBackgroundTask(object sender, RoutedEventArgs e)
{
BackgroundTaskSample.UnregisterBackgroundTasks(BackgroundTaskSample.SampleBackgroundTaskWithConditionName);
UpdateUI();
}
