private async Task UpdateTile()
{
var result = await BackgroundExecutionManager.RequestAccessAsync();
if (result == BackgroundAccessStatus.AllowedMayUseActiveRealTimeConnectivity ||
result == BackgroundAccessStatus.AllowedWithAlwaysOnRealTimeConnectivity)
{
foreach (var task in BackgroundTaskRegistration.AllTasks)
{
if (task.Value.Name == TASK_NAME)
task.Value.Unregister(true);
//task.Value.Progress += new BackgroundTaskProgressEventHandler(OnProgress);
//task.Value.Completed += new BackgroundTaskCompletedEventHandler(OnCompleted);
}
BackgroundTaskBuilder builder = new BackgroundTaskBuilder();
var condition = new SystemCondition(SystemConditionType.InternetAvailable);
builder.Name = TASK_NAME;
builder.AddCondition(condition);
builder.TaskEntryPoint = TASK_ENTRY;
builder.SetTrigger(new TimeTrigger(15, false));
var registration = builder.Register();
registration.Progress += new BackgroundTaskProgressEventHandler(task_Progress);
registration.Completed += new BackgroundTaskCompletedEventHandler(task_Completed);
}
}
public static void BacgroundTaskSetup()
{
Trigger = new TimeTrigger(15, false);
SystemCondition userCondition = new SystemCondition(SystemConditionType.UserPresent);
taskName = "SampleBackgroundTask";
entryPoint = "WindowsRuntimeComponent.SampleBackgroundTask";
}
public static IAsyncOperation<BackgroundTaskRegistration> RegisterTaskAsync()
{
return AsyncInfo.Run(async (cancellationToken) =>
{
if (IsTaskRegistered())
return _current;
await BackgroundExecutionManager.RequestAccessAsync();
//http://msdn.microsoft.com/en-us/library/windows/apps/windows.applicationmodel.background.timetrigger.aspx
IBackgroundTrigger trigger = new TimeTrigger(6*60, false); //6 hours
// Builds the background task.
BackgroundTaskBuilder builder = new BackgroundTaskBuilder();
builder.Name = FriendlyName;
builder.TaskEntryPoint = typeof(BackgroundDemoTask).FullName;
builder.SetTrigger(trigger);
SystemCondition condition = new SystemCondition(SystemConditionType.InternetAvailable);
builder.AddCondition(condition);
// Registers the background task, and get back a BackgroundTaskRegistration object
// representing the registered task.
_current = builder.Register();
return _current;
});
}
private async void RegisterBackgroundTasks()
{
var access = await BackgroundExecutionManager.RequestAccessAsync();
if (access == BackgroundAccessStatus.AllowedMayUseActiveRealTimeConnectivity || access == BackgroundAccessStatus.AllowedWithAlwaysOnRealTimeConnectivity)
{
TimeTrigger taskTrigger = new TimeTrigger(15, false);
foreach (var _task in BackgroundTaskRegistration.AllTasks)
{
if (_task.Value.Name == "WPGetListUpdateTimer" || _task.Value.Name=="WPGetListUpdateInternet")
{
_task.Value.Unregister(true);
}
}
SystemTrigger striger = new SystemTrigger(SystemTriggerType.InternetAvailable, false);
var bgTaskBuilder = new BackgroundTaskBuilder();
bgTaskBuilder.Name = "WPGetListUpdateTimer";
bgTaskBuilder.TaskEntryPoint = "BackgroundTaskWinMD.WPGetListUpdateBackgroundTask";
bgTaskBuilder.SetTrigger(taskTrigger);
// условие, согласно которому триггер будет выполнен только если интернет доступен
SystemCondition internetCondition = new SystemCondition(SystemConditionType.InternetAvailable);
bgTaskBuilder.AddCondition(internetCondition);
BackgroundTaskRegistration task = bgTaskBuilder.Register();
bgTaskBuilder = new BackgroundTaskBuilder();
bgTaskBuilder.Name = "WPGetListUpdateInternet";
bgTaskBuilder.TaskEntryPoint = "BackgroundTaskWinMD.WPGetListUpdateBackgroundTask";
bgTaskBuilder.SetTrigger(striger);
bgTaskBuilder.AddCondition(internetCondition);
BackgroundTaskRegistration task2 = bgTaskBuilder.Register();
}
}
private void RegisterTaskButton_Click(Object sender, RoutedEventArgs e)
{
if (GetRegisteredTask() == null)
{
BackgroundTaskBuilder taskBuilder = new BackgroundTaskBuilder();
MaintenanceTrigger trigger = new MaintenanceTrigger(MAINTENANCE_INTERVAL, false);
taskBuilder.SetTrigger(trigger);
taskBuilder.TaskEntryPoint = PUSH_NOTIFICATIONS_TASK_ENTRY_POINT;
taskBuilder.Name = PUSH_NOTIFICATIONS_TASK_NAME;
SystemCondition internetCondition = new SystemCondition(SystemConditionType.InternetAvailable);
taskBuilder.AddCondition(internetCondition);
try
{
taskBuilder.Register();
rootPage.NotifyUser("Task registered", NotifyType.StatusMessage);
}
catch (Exception ex)
{
rootPage.NotifyUser("Error registering task: " + ex.Message, NotifyType.ErrorMessage);
}
}
else
{
rootPage.NotifyUser("Task already registered", NotifyType.ErrorMessage);
}
}
private async void registerButton_Click(object sender, RoutedEventArgs e)
{
TimeTrigger timetrigger = new TimeTrigger(30, false);
PushNotificationTrigger notificationTrigger = new PushNotificationTrigger();
var SampleTask = new BackgroundTaskBuilder(); //创建后台任务实例
SampleTask.Name = "Reminder"; //指定后台任务名称
SampleTask.TaskEntryPoint = "ReminderComponent.Reminder";//指定后台任务名称
SampleTask.SetTrigger(timetrigger);//指定后台任务的触发器
SystemCondition internetCondition = new SystemCondition(SystemConditionType.InternetAvailable);
SampleTask.AddCondition(internetCondition);
var access = await BackgroundExecutionManager.RequestAccessAsync();
if (access == BackgroundAccessStatus.AllowedMayUseActiveRealTimeConnectivity)
{
BackgroundTaskRegistration task = SampleTask.Register();
task.Progress += Value_Progress; ;
task.Completed += Value_Completed; ;
UpdateUI("", "注册成功");
registerButton.IsEnabled = false;
cancelButtton.IsEnabled = true;
var settings = Windows.Storage.ApplicationData.Current.LocalSettings;
settings.Values.Remove(task.Name);
}
else if (access == BackgroundAccessStatus.Denied)//用户禁用后台任务或后台任务数量已达最大
{
await new MessageDialog("您已禁用后台任务或后台任务数量已达最大!").ShowAsync();
}
}
/// <summary>
/// The register task.
/// </summary>
private static async void PushNotifications()
{
const string PushNotificationTaskName = "ToastNotifications";
if (GetRegisteredTask(PushNotificationTaskName) != null)
{
return;
}
var ns = new NotificationStore();
ns.Register();
await BackgroundExecutionManager.RequestAccessAsync();
await ObtainLockScreenAccess();
var taskBuilder = new BackgroundTaskBuilder
{
Name = PushNotificationTaskName,
TaskEntryPoint = typeof(PushNotificationTask).FullName
};
var trigger = new PushNotificationTrigger();
taskBuilder.SetTrigger(trigger);
var internetCondition = new SystemCondition(SystemConditionType.InternetAvailable);
taskBuilder.AddCondition(internetCondition);
try
{
taskBuilder.Register();
}
catch (Exception exception)
{
}
}
private async void RegisterBackgroundTasks()
{
var builder = new BackgroundTaskBuilder
{
Name = "BackgroundUpdateReadingList",
TaskEntryPoint = "EasyReader.BackgroundTasks.UpdateReadingList"
};
try
{
await BackgroundExecutionManager.RequestAccessAsync();
}
catch (Exception)
{
}
IBackgroundTrigger trigger = new TimeTrigger(15, true);
builder.SetTrigger(trigger);
IBackgroundCondition condition = new SystemCondition(SystemConditionType.InternetAvailable);
builder.AddCondition(condition);
IBackgroundTaskRegistration task = builder.Register();
task.Progress += task_Progress;
task.Completed += task_Completed;
}
private static void RegisterMaintenanceBackgroundTask()
{
var builder = new BackgroundTaskBuilder {Name = TaskName, TaskEntryPoint = TaskEntry};
IBackgroundTrigger trigger = new TimeTrigger(15, false);
builder.SetTrigger(trigger);
IBackgroundCondition condition =
new SystemCondition(SystemConditionType.InternetAvailable);
builder.AddCondition(condition);
IBackgroundTaskRegistration task = builder.Register();
}
async Task Register()
{
await BackgroundExecutionManager.RequestAccessAsync();
var builder = new BackgroundTaskBuilder();
builder.Name = "MyBackgroundTask";
var condition = new SystemCondition(SystemConditionType.InternetAvailable);
var trigger = new SystemTrigger(SystemTriggerType.TimeZoneChange, false);
builder.TaskEntryPoint = typeof(MyBackgroundTask.TimeZoneTask).FullName;
builder.AddCondition(condition);
builder.SetTrigger(trigger);
builder.Register();
}
/// <summary>
/// Cannot avoid this method being blocking on the UI thread, because creating the background task requires it
/// (otherwise creating the LocationTrigger gives a COM exception)
/// </summary>
public async Task On(string backgroundTaskEntryPoint)
{
if (string.IsNullOrWhiteSpace(backgroundTaskEntryPoint)) throw new ArgumentNullException(nameof(backgroundTaskEntryPoint));
await _permissionRepository.RequestRequired();
await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
var trigger = new LocationTrigger(LocationTriggerType.Geofence);
var condition = new SystemCondition(SystemConditionType.InternetAvailable);
_backgroundTaskRegistrar.Register(backgroundTaskEntryPoint,
BackgroundTaskName, trigger, condition);
});
_applicationRepository.UpdateIsEnabled(isEnabled: true);
}
private const int MAINTENANCE_INTERVAL = 10 * 24 * 60; // Check for channels that need to be updated every 10 days
public App()
{
InitializeComponent();
this.Suspending += new SuspendingEventHandler(OnSuspending);
if (!IsTaskRegistered())
{
BackgroundTaskBuilder taskBuilder = new BackgroundTaskBuilder();
MaintenanceTrigger trigger = new MaintenanceTrigger(MAINTENANCE_INTERVAL, false);
taskBuilder.SetTrigger(trigger);
taskBuilder.TaskEntryPoint = PUSH_NOTIFICATIONS_TASK_ENTRY_POINT;
taskBuilder.Name = PUSH_NOTIFICATIONS_TASK_NAME;
SystemCondition internetCondition = new SystemCondition(SystemConditionType.InternetAvailable);
taskBuilder.AddCondition(internetCondition);
taskBuilder.Register();
}
}
private async void RegisterBackgroundTask()
{
var backgroundAccessStatus = await BackgroundExecutionManager.RequestAccessAsync();
if (backgroundAccessStatus == BackgroundAccessStatus.AllowedMayUseActiveRealTimeConnectivity ||
backgroundAccessStatus == BackgroundAccessStatus.AllowedWithAlwaysOnRealTimeConnectivity)
{
foreach (var t in BackgroundTaskRegistration.AllTasks)
t.Value.Unregister(true);
BackgroundTaskBuilder builder = new BackgroundTaskBuilder();
builder.TaskEntryPoint = typeof(SampleRuntimeComponent.DataTask).FullName;
builder.Name = "DataTask";
builder.SetTrigger(_trigger);
SystemCondition internetCondition = new SystemCondition(SystemConditionType.InternetAvailable);
builder.AddCondition(internetCondition);
var registration = builder.Register();
}
}
public static async Task<BackgroundTaskRegistration> Register()
{
// If the user denies this once, it cannot be re-enabled: uninstall / install from the Start screen...
var status = await BackgroundExecutionManager.RequestAccessAsync();
if (status == BackgroundAccessStatus.Denied || status == BackgroundAccessStatus.Unspecified)
{
return null;
}
var builder = new BackgroundTaskBuilder();
builder.Name = UpdateTaskName;
builder.TaskEntryPoint = UpdateTaskEntryPoint;
builder.SetTrigger(new TimeTrigger(UpdateTaskTimeTriggerInterval, false));
IBackgroundCondition condition = new SystemCondition(SystemConditionType.InternetAvailable);
builder.AddCondition(condition);
BackgroundTaskRegistration task = builder.Register();
return task;
}
public async static Task RegBGTask(uint frequency, bool isEnabled)
{
var backgroundAccessStatus = await BackgroundExecutionManager.RequestAccessAsync();
if (backgroundAccessStatus == BackgroundAccessStatus.AlwaysAllowed ||
backgroundAccessStatus == BackgroundAccessStatus.AllowedSubjectToSystemPolicy)
{
foreach (var t in BackgroundTaskRegistration.AllTasks)
{
if (t.Value.Name == BACKGROUND_NAME || t.Value.Name == TOAST_HANDLER_NAME)
{
t.Value.Unregister(true);
}
}
BackgroundTaskBuilder builder = new BackgroundTaskBuilder()
{
Name = TOAST_HANDLER_NAME,
TaskEntryPoint = TOAST_HANDLER_ENTRY
};
builder.SetTrigger(new ToastNotificationActionTrigger());
BackgroundTaskRegistration toastreg = builder.Register();
if (frequency < 30 || !isEnabled)
{
return;
}
TimeTrigger hourlyTrigger = new TimeTrigger(frequency, false);
SystemCondition userCondition = new SystemCondition(SystemConditionType.InternetAvailable);
BackgroundTaskBuilder taskBuilder = new BackgroundTaskBuilder();
taskBuilder.Name = BACKGROUND_NAME;
taskBuilder.TaskEntryPoint = BACKGROUND_ENTRY;
taskBuilder.AddCondition(userCondition);
taskBuilder.SetTrigger(hourlyTrigger);
var registration = taskBuilder.Register();
}
}
/// <summary>
/// The register push notifications.
/// </summary>
private static async void RegisterPushNotifications()
{
const string RegisterPushNotificationName = "RegisterNotifications";
const int RegistrationInterval = 10 * 24 * 60;
if (GetRegisteredTask(RegisterPushNotificationName) != null)
{
return;
}
await BackgroundExecutionManager.RequestAccessAsync();
var taskBuilder = new BackgroundTaskBuilder
{
Name = RegisterPushNotificationName,
TaskEntryPoint = typeof(RegisterPushNotificationTask).FullName
};
var trigger = new TimeTrigger(RegistrationInterval, false);
taskBuilder.SetTrigger(trigger);
var internetCondition = new SystemCondition(SystemConditionType.InternetAvailable);
taskBuilder.AddCondition(internetCondition);
try
{
taskBuilder.Register();
}
catch (Exception exception)
{
}
}
private async void RegisterTask()
{
try
{
BackgroundAccessStatus status = await BackgroundExecutionManager.RequestAccessAsync();
if(status == BackgroundAccessStatus.Denied)
{
//Message aan gebruiker, bevoorbeeld
}
else
{
//Taak registreren bij systeem
BackgroundTaskBuilder builder = new BackgroundTaskBuilder();
builder.Name = BackgroundTaskName;
builder.TaskEntryPoint = BackgroundTaskEntryPoint;
var trigger = new TimeTrigger(15,false);//Oneshot, 1x uitvoeren of elke 15 minuten uitvoeren?
builder.SetTrigger(trigger);
//Er moet iets zijn, conditie
var condition = new SystemCondition(SystemConditionType.InternetAvailable);//Als er internet is
builder.AddCondition(condition);
regTask = builder.Register();
regTask.Completed += RegTask_Completed;
}
}
catch(Exception ex)
{
Debug.WriteLine(ex.ToString());
}
}
public SnooStreamViewModelPlatform()
{
try
{
SnooStreamViewModel.SystemServices = new SystemServices();
SnooStreamViewModel.MarkdownProcessor = new MarkdownProvider();
SnooStreamViewModel.ActivityManager = new SnooStream.PlatformServices.ActivityManager();
if (!IsInDesignMode)
{
((SystemServices)SnooStreamViewModel.SystemServices).FinishInitialization(Windows.ApplicationModel.Core.CoreApplication.MainView.Dispatcher);
SnooStreamViewModel.CWD = Windows.Storage.ApplicationData.Current.LocalFolder.Path;
SnooStreamViewModel.UserCredentialService = new DefaultUserCredentialService();
}
FinishInit();
if (!IsInDesignMode)
{
MakeHubSections();
RaisePropertyChanged("HubSections");
LockScreenSettings lsSettings = new LockScreenSettings();
lsSettings.LiveTileSettings = new List<LiveTileSettings>
{
new LiveTileSettings { CurrentImages = new List<string>(), LiveTileItemsReddit = "/", LiveTileStyle = LiveTileStyle.TextImage}
};
lsSettings.RedditOAuth = SnooStreamViewModel.RedditUserState != null && SnooStreamViewModel.RedditUserState.OAuth != null ?
JsonConvert.SerializeObject(SnooStreamViewModel.RedditUserState) : "";
lsSettings.Store();
MessengerInstance.Register<UserLoggedInMessage>(this, OnUserLoggedIn);
Task.Delay(10000).ContinueWith(async (tskTop) =>
{
try
{
await BackgroundExecutionManager.RequestAccessAsync();
TimeTrigger timeTrigger = new TimeTrigger(30, false);
SystemCondition userCondition = new SystemCondition(SystemConditionType.UserPresent);
string entryPoint = "SnooStreamBackground.UpdateBackgroundTask";
string taskName = "Background task for updating live tile and displaying message notifications from reddit";
BackgroundTaskRegistration task = RegisterBackgroundTask(entryPoint, taskName, timeTrigger, userCondition);
}
catch (Exception ex)
{
//_logger.Error("failed to register background task", ex);
}
SystemServices.RunUIIdleAsync(() =>
{
return Task.Run(() =>
{
UpdateBackgroundTask tsk = new UpdateBackgroundTask();
try
{
tsk.RunExternal();
}
catch { }
});
});
}, TaskScheduler.Current);
}
}
catch (Exception ex)
{
//_logger.Fatal("fetal error during initialization", ex);
throw ex;
}
}
private async Task RegisterTask(string BackgroundTaskName, string BackgroundTaskEntryPoint)
{
try
{
BackgroundAccessStatus status = await BackgroundExecutionManager.RequestAccessAsync();
if (status == BackgroundAccessStatus.Denied)
{
//geen toegang
}
else
{
//toegang
BackgroundTaskBuilder builder = new BackgroundTaskBuilder();
builder.Name = BackgroundTaskName;
builder.TaskEntryPoint = BackgroundTaskEntryPoint;
var trigger = new TimeTrigger(15, false);// om de 2 minuten
builder.SetTrigger(trigger);
var condition = new SystemCondition(SystemConditionType.InternetAvailable);
builder.AddCondition(condition);
regTask = builder.Register();
regTask.Completed += RegTask_Completed;
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
public void RegisterIt()
{
foreach (var _task in BackgroundTaskRegistration.AllTasks)
{
if (_task.Value.Name == "My demo task")
{
_task.Value.Unregister(true);
}
}
TimeTrigger taskTrigger = new TimeTrigger(15, false);
var bgTaskBuilder = new BackgroundTaskBuilder();
bgTaskBuilder.Name = "My demo task";
bgTaskBuilder.TaskEntryPoint = "BGTaskMD.ExampleBackgroundTask";
bgTaskBuilder.SetTrigger(taskTrigger);
SystemCondition internetCondition = new SystemCondition(SystemConditionType.InternetAvailable);
bgTaskBuilder.AddCondition(internetCondition);
BackgroundTaskRegistration task = bgTaskBuilder.Register();
task.Completed += task_Completed;
}
private async void CheckBackGroundStatus()
{
try
{
int c = BackgroundTaskRegistration.AllTasks.Count;
if (c > 1)
{
foreach (var bTasks in BackgroundTaskRegistration.AllTasks)
{
bTasks.Value.Unregister(true);
}
}
else if (c == 0)
{
await BackgroundExecutionManager.RequestAccessAsync();
var background = new BackgroundTaskBuilder();
background.Name = "Metro Player";
background.TaskEntryPoint = "IPlayer_BackgroundTask.Task";
var sc = new SystemCondition(SystemConditionType.UserPresent);
background.AddCondition(sc);
background.SetTrigger(new TimeTrigger(45, false));
var btr = background.Register();
}
//string s = null;
//foreach (var VARIABLE in BackgroundTaskRegistration.AllTasks)
//{
// s += VARIABLE.Value.Name + "\n";
//}
// new MessageDialog(c.ToString()).ShowAsync();
}
catch
{
ErrorCorrecting("001");
}
}
/// <summary>
/// Registriert eine Hintergrundaufgabe, die durch eine eingehende RawNotification ausgelöst wird. Es muss beachtet werden, dass
/// hierfür Zugriff auf den LockScreen gewährt sein muss. Es muss sichergestellt werden, dass RequestAccessAsync() aufgerufen wurde,
/// bevor die Registrierung erfolgt.
/// </summary>
public static void Register()
{
// Registriere die Task, wenn sie nicht bereits registriert wurde.
if (!IsTaskRegistered()){
var builder = new BackgroundTaskBuilder();
// Setze den eindeutigen Namen, den EntryPoint für die BG Task und den Trigger, der die BG Task auslöst.
builder.Name = BG_TASK_NAME;
builder.TaskEntryPoint = typeof(PushNotificationManager).FullName;
builder.SetTrigger(new PushNotificationTrigger());
// Lege Bedingung für die Ausführung der BackgroundTask fest. Hier, InternetAvailable muss zutreffen.
SystemCondition internetCondition = new SystemCondition(SystemConditionType.InternetAvailable);
builder.AddCondition(internetCondition);
// Registriere die Task.
BackgroundTaskRegistration task = builder.Register();
Debug.WriteLine("Background task PushNotificationManager is registered.");
}
else {
Debug.WriteLine("PushNotificationManager background task already registered. Not necessary to perform registration once again.");
}
}
private void RegisterBackgroundTasks()
{
BackgroundTaskBuilder builder = new BackgroundTaskBuilder();
// Friendly string name identifying the background task
builder.Name = "BackgroundLiveTiles";
// Class name
builder.TaskEntryPoint = "TileBackground.Class1";
IBackgroundTrigger trigger = new TimeTrigger(15, true);
builder.SetTrigger(trigger);
IBackgroundCondition condition = new SystemCondition(SystemConditionType.InternetAvailable);
builder.AddCondition(condition);
IBackgroundTaskRegistration task = builder.Register();
//YOu have the option of implementing these events to do something upon completion
//task.Progress += task_Progress;
//task.Completed += task_Completed;
}
