/// <summary>
/// The entry point of a background task.
/// </summary>
/// <param name="taskInstance">The current background task instance.</param>
public async void Run(IBackgroundTaskInstance taskInstance)
{
// Get the deferral to prevent the task from closing prematurely
deferral = taskInstance.GetDeferral();
// Setup our onCanceled callback and progress
this.taskInstance = taskInstance;
this.taskInstance.Canceled += new BackgroundTaskCanceledEventHandler(OnCanceled);
this.taskInstance.Progress = 0;
// Store a setting so that the app knows that the task is running.
ApplicationData.Current.LocalSettings.Values["IsBackgroundTaskActive"] = true;
periodicTimer = ThreadPoolTimer.CreatePeriodicTimer(new TimerElapsedHandler(PeriodicTimerCallback), TimeSpan.FromSeconds(1));
try
{
RfcommConnectionTriggerDetails details = (RfcommConnectionTriggerDetails)taskInstance.TriggerDetails;
if (details != null)
{
socket = details.Socket;
remoteDevice = details.RemoteDevice;
ApplicationData.Current.LocalSettings.Values["RemoteDeviceName"] = remoteDevice.Name;
writer = new DataWriter(socket.OutputStream);
reader = new DataReader(socket.InputStream);
}
else
{
ApplicationData.Current.LocalSettings.Values["BackgroundTaskStatus"] = "Trigger details returned null";
deferral.Complete();
}
var result = await ReceiveDataAsync();
}
catch (Exception ex)
{
reader = null;
writer = null;
socket = null;
deferral.Complete();
Debug.WriteLine("Exception occurred while initializing the connection, hr = " + ex.HResult.ToString("X"));
}
}
public async void Run(IBackgroundTaskInstance taskInstance)
{
Debug.WriteLine("Bluetooth BG running now !!");
// Get the deferral to prevent the task from closing prematurely
deferral = taskInstance.GetDeferral();
// Setup our onCanceled callback and progress
this.taskInstance = taskInstance;
this.taskInstance.Canceled += new BackgroundTaskCanceledEventHandler(OnCanceled);
this.taskInstance.Progress = 0;
try
{
RfcommConnectionTriggerDetails details = (RfcommConnectionTriggerDetails)taskInstance.TriggerDetails;
if (details != null)
{
socket = details.Socket;
writer = new DataWriter(socket.OutputStream);
reader = new DataReader(socket.InputStream);
}
else
{
CommonData.TaskExitReason = "Trigger details returned null";
deferral.Complete();
}
var result = await ReceiveDataAsync();
}
catch (Exception ex)
{
reader = null;
writer = null;
socket = null;
CommonData.TaskExitReason = "Exception occurred while initializing the connection, hr = " + ex.HResult.ToString("X");
deferral.Complete();
Debug.WriteLine("Exception occurred while initializing the connection, hr = " + ex.HResult.ToString("X"));
}
}
