private void EnableDisplayOnOffController()
{
if (_sensor != null && _displayController == null)
{
// Acquires the display on/off controller for this proximity sensor.
// This tells the system to use the sensor's IsDetected state to
// turn the screen on or off. If the display does not support this
// feature, this code will do nothing.
_displayController = _sensor.CreateDisplayOnOffController();
}
}
private async Task AttachAsync()
{
if (ApiInformation.IsApiContractPresent("Windows.Phone.PhoneContract", 1))
{
var devices = await DeviceInformation.FindAllAsync(ProximitySensor.GetDeviceSelector());
if (devices.Count > 0)
{
_sensor = ProximitySensor.FromId(devices[0].Id);
//_sensor.ReadingChanged += OnReadingChanged;
_controller = _sensor.CreateDisplayOnOffController();
}
}
}
public void EnableDisplayAutoOff(bool _enabled)
{
if (_enabled)
{
if ((_sensor != null) && (_displayController == null))
{
_displayController = _sensor.CreateDisplayOnOffController();
}
}
else
{
if (_displayController != null)
{
_displayController.Dispose();
_displayController = null;
}
}
}
/// <summary>
/// This is the click handler for the 'Enable' button.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ScenarioEnable(object sender, RoutedEventArgs e)
{
if (null != sensor)
{
// Acquires the display on/off controller for this proximity sensor.
// This tells the system to use the sensor's IsDetected state to
// turn the screen on or off. If the display does not support this
// feature, this code will do nothing.
displayController = sensor.CreateDisplayOnOffController();
ScenarioEnableButton.IsEnabled = false;
ScenarioDisableButton.IsEnabled = true;
}
else
{
rootPage.NotifyUser("No proximity sensors found", NotifyType.ErrorMessage);
}
}