//private
private static async void RegisterBackgroundTasks(string appVersion, bool pushEnabled)
{
if (!ApplicationData.Current.LocalSettings.Values.ContainsKey(VERSION_STORE_KEY) || (string)ApplicationData.Current.LocalSettings.Values[VERSION_STORE_KEY] != appVersion)
{
if (ApplicationData.Current.LocalSettings.Values.ContainsKey(VERSION_STORE_KEY))
{
BackgroundExecutionManager.RemoveAccess();
}
if (await BackgroundExecutionManager.RequestAccessAsync() != BackgroundAccessStatus.Denied)
{
ApplicationData.Current.LocalSettings.Values[VERSION_STORE_KEY] = appVersion;
}
}
BackgroundTask.Register();
if (pushEnabled)
{
PushBackgroundTask.Register();
}
}
public static void EnablePushNotifications(IInitializeHandler handler)
{
PushBackgroundTask.Register();
CreateWNSChannel(handler);
}