private async void ExecuteUpdateTileCommand(string value)
{
try
{
Busy = true;
var number = default(int);
if (!int.TryParse(value, out number))
{
return;
}
await Task.Delay(2000);
var trigger = new ApplicationTrigger();
var task = await BackgroundHelper.Register <MyUpdateBadgeTask>(trigger);
task.Completed += (s, e) => { Busy = false; };
var allowed = await trigger.RequestAsync();
if (allowed != ApplicationTriggerResult.Allowed)
{
// it was not allowed to run
Busy = false;
}
}
catch { Busy = false; }
}
public override async void OnNavigatedTo(string parameter, NavigationMode mode, Dictionary <string, object> state)
{
LoadCommand.Execute(null);
// register background tasks
await BackgroundHelper.Register <MyUpdateTileTask>(new SystemTrigger(SystemTriggerType.TimeZoneChange, false));
}
private async void DismissExtendedSplash()
{
Window.Current.SizeChanged -= ExtendedSplash_OnResize;
StateText = "正在检查后台通知";
await BackgroundHelper.Register <UpdateUnreadCountTask>(new TimeTrigger(15, false));
await BackgroundHelper.Register <ToastNotificationBackgroundTask>(new ToastNotificationActionTrigger());
StateText = "正在初始化表情";
await StaticResource.InitEmotion();
var cahcesize = rootFrame.CacheSize;
rootFrame.CacheSize = 0;
rootFrame.CacheSize = cahcesize;
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
StateText = "正在初始化用户数据";
if (await StaticResource.CheckForLogin())
{
await InitUid();
rootFrame.Navigate(typeof(MainPage));
}
else
{
rootFrame.Navigate(typeof(LoginPage));
}
SystemNavigationManager.GetForCurrentView().BackRequested += ExtendedSplash_BackRequested;
rootFrame.Navigated += RootFrame_Navigated;
Window.Current.Content = rootFrame;
}
private async void RegisterBGTask_Click(object sender, RoutedEventArgs e)
{
var existing = BackgroundHelper.FindRegistration <OOPBackgroundTask.BadgeTask>();
if (existing == null)
{
// await BackgroundHelper.Register<OOPBackgroundTask.BadgeTask>(new ToastNotificationActionTrigger());
await BackgroundHelper.Register <OOPBackgroundTask.BadgeTask>(new TimeTrigger(15, false));
}
BGTaskList.Text = "";
foreach (var t in BackgroundTaskRegistration.AllTasks)
{
BGTaskList.Text += t.Value.ToString() + "\n";
}
}