public async void Run(IBackgroundTaskInstance taskInstance)
{
BackgroundTaskDeferral deferral = taskInstance.GetDeferral();
try
{
Geolocator geolocator = new Geolocator();
Geoposition position = await geolocator.GetGeopositionAsync();
//////////////////////////////////////////////////////////////////////////
#if DEBUG
XmlDocument toastXml = ToastNotificationManager.GetTemplateContent(ToastTemplateType.ToastText01);
XmlNodeList toastTextElements = toastXml.GetElementsByTagName("text");
toastTextElements[0].AppendChild(toastXml.CreateTextNode(position.Coordinate.Point.Position.Latitude + "|" + position.Coordinate.Point.Position.Longitude));
ToastNotification toastNotification = new ToastNotification(toastXml);
ToastNotificationManager.CreateToastNotifier().Show(toastNotification);
#endif
//////////////////////////////////////////////////////////////////////////
ApplicationDataContainer settings = ApplicationData.Current.LocalSettings;
LimitedQueue <GPSInfo> queue;
if (settings.Values.ContainsKey("Queue") == true)
{
string queueString = (string)settings.Values["Queue"];
queue = SerializerUtility.Deserialize <LimitedQueue <GPSInfo> >(queueString);
}
else
{
queue = new LimitedQueue <GPSInfo>(20);
}
queue.Push(new GPSInfo()
{
Latitude = position.Coordinate.Point.Position.Latitude, Longitude = position.Coordinate.Point.Position.Longitude, PositionSource = position.Coordinate.PositionSource.ToString()
});
try
{
string deviceUniqueId = UniqueIdUtility.GetUniqueId();
GPSInfo[] gpsInfoList = queue.Retrive();
string gpsInfoListJson = SerializerUtility.Serialize <GPSInfo[]>(gpsInfoList);
KeyValuePair <string, string>[] postData = new KeyValuePair <string, string> [2];
postData[0] = new KeyValuePair <string, string>("deviceUniqueId", deviceUniqueId);
postData[1] = new KeyValuePair <string, string>("gpsInfoList", gpsInfoListJson);
await HttpUtility.GetHttpResponse(ConfigUtility.GetValue("SendPositionAPI"), postData);
queue.Clear();
}
finally
{
string queueString = SerializerUtility.Serialize <LimitedQueue <GPSInfo> >(queue);
settings.Values["Queue"] = queueString;
}
}
catch (Exception ex)
{
}
deferral.Complete();
}
private async void CheckBinding()
{
try
{
KeyValuePair <string, string>[] postData = new KeyValuePair <string, string> [1];
postData[0] = new KeyValuePair <string, string>("deviceUniqueId", UniqueIdUtility.GetUniqueId());
string owner = await HttpUtility.GetHttpResponse(ConfigUtility.GetValue("GetDeviceOwnerAPI"), postData);
if (owner == "")
{
BackgroundTaskUtility.UnregisterBackgroundTask("MyTask");
ApplicationDataContainer settings = ApplicationData.Current.LocalSettings;
if (settings.Values.ContainsKey("Queue") == true)
{
settings.Values.Remove("Queue");
}
}
else
{
BackgroundTaskUtility.RegisterBackgroundTask("RuntimeComponent.TrackingTask", "MyTask", new TimeTrigger(15, false), null);
}
await this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
if (owner == "")
{
ownerTextbox.Text = "";
ownerTextbox.IsEnabled = true;
deviceNameTextbox.Text = "";
deviceNameTextbox.IsEnabled = true;
bindButton.IsEnabled = true;
unbindButton.IsEnabled = false;
}
else
{
string[] ownerAndDeviceName = SerializerUtility.Deserialize <string[]>(owner);
ownerTextbox.Text = ownerAndDeviceName[0];
ownerTextbox.IsEnabled = false;
deviceNameTextbox.Text = ownerAndDeviceName[1];
deviceNameTextbox.IsEnabled = false;
bindButton.IsEnabled = false;
unbindButton.IsEnabled = true;
}
bindingGrid.Visibility = Visibility.Visible;
});
}
catch (Exception ex)
{
await this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
bindingGrid.Visibility = Visibility.Collapsed;
errorGrid.Visibility = Visibility.Visible;
});
}
finally
{
await this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
progressRing.IsActive = false;
progressRing.Visibility = Visibility.Collapsed;
});
}
}