async Task GetOrRegisterProximityTaskAsync()
{
// This technique also valid for the Pedometer where you can specify
// a particular step count.
var deviceInfoList = await DeviceInformation.FindAllAsync(
ProximitySensor.GetDeviceSelector());
var deviceInfo = deviceInfoList.FirstOrDefault();
if (deviceInfo != null)
{
var proximtySensor = ProximitySensor.FromId(deviceInfo.Id);
var threshold = new ProximitySensorDataThreshold(proximtySensor);
var trigger = new SensorDataThresholdTrigger(threshold);
this.proximityTaskRegistration = FindOrRegisterBackgroundTaskFromLibrary(
"Proximity Trigger",
trigger);
}
}
/// <summary>
/// Registers the background task.
/// </summary>
private void RegisterBackgroundTask()
{
var builder = new BackgroundTaskBuilder()
{
Name = SampleBackgroundTaskName,
TaskEntryPoint = SampleBackgroundTaskEntryPoint
};
// create a Proximity data threshold
var threshold = new ProximitySensorDataThreshold(sensor);
// create a trigger using the threshold
var trigger = new SensorDataThresholdTrigger(threshold);
builder.SetTrigger(trigger);
BackgroundTaskRegistration task = builder.Register();
task.Completed += new BackgroundTaskCompletedEventHandler(OnCompleted);
registered = true;
UpdateUIAsync("Registered");
}
/// <summary>
/// Registers the background task.
/// </summary>
private void RegisterBackgroundTask()
{
var builder = new BackgroundTaskBuilder()
{
Name = SampleBackgroundTaskName,
TaskEntryPoint = SampleBackgroundTaskEntryPoint
};
// create a Proximity data threshold
var threshold = new ProximitySensorDataThreshold(sensor);
// create a trigger using the threshold
var trigger = new SensorDataThresholdTrigger(threshold);
builder.SetTrigger(trigger);
BackgroundTaskRegistration task = builder.Register();
task.Completed += new BackgroundTaskCompletedEventHandler(OnCompleted);
registered = true;
UpdateUIAsync("Registered");
}
