/// <summary>
/// Invoked when the device watcher finds a matching custom sensor device
/// </summary>
/// <param name="watcher">device watcher</param>
/// <param name="customSensorDevice">device information for the custom sensor that was found</param>
public async void OnCustomSensorAdded(DeviceWatcher watcher, DeviceInformation customSensorDevice)
{
try
{
customSensor = await CustomSensor.FromIdAsync(customSensorDevice.Id);
if (customSensor != null)
{
CustomSensorReading reading = customSensor.GetCurrentReading();
if (!reading.Properties.ContainsKey(CO2LevelKey))
{
rootPage.NotifyUser("The found custom sensor doesn't provide CO2 reading", NotifyType.ErrorMessage);
customSensor = null;
}
}
else
{
rootPage.NotifyUser("No custom sensor found", NotifyType.ErrorMessage);
}
}
catch (Exception e)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
rootPage.NotifyUser("The user may have denied access to the custom sensor. Error: " + e.Message, NotifyType.ErrorMessage);
});
}
}
/// <summary>
/// Invoked when the device watcher finds a matching custom sensor device
/// </summary>
/// <param name="watcher">device watcher</param>
/// <param name="customSensorDevice">device information for the custom sensor that was found</param>
public async void OnCustomSensorAdded(DeviceWatcher watcher, DeviceInformation customSensorDevice)
{
try
{
customSensor = await CustomSensor.FromIdAsync(customSensorDevice.Id);
if (customSensor != null)
{
CustomSensorReading reading = customSensor.GetCurrentReading();
if (!reading.Properties.ContainsKey(CO2LevelKey))
{
rootPage.NotifyUser("The found custom sensor doesn't provide CO2 reading", NotifyType.ErrorMessage);
customSensor = null;
}
}
else
{
rootPage.NotifyUser("No custom sensor found", NotifyType.ErrorMessage);
}
}
catch (Exception e)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
rootPage.NotifyUser("The user may have denied access to the custom sensor. Error: " + e.Message, NotifyType.ErrorMessage);
});
}
}
public Scenario1_DataEvents()
{
String customSensorSelector = "";
this.InitializeComponent();
customSensorSelector = CustomSensor.GetDeviceSelector(GUIDCustomSensorDeviceVendorDefinedTypeID);
watcher = DeviceInformation.CreateWatcher(customSensorSelector);
watcher.Added += OnCustomSensorAdded;
watcher.Start();
}
/// <summary>
/// This is the event handler for AccessChanged events.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void OnAccessChanged(DeviceAccessInformation sender, DeviceAccessChangedEventArgs e)
{
var status = e.Status;
if (status != DeviceAccessStatus.Allowed)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
rootPage.NotifyUser("Custom sensor access denied", NotifyType.ErrorMessage);
customSensor = null;
});
}
}
public Scenario2_Polling()
{
String customSensorSelector = "";
this.InitializeComponent();
customSensorSelector = CustomSensor.GetDeviceSelector(GUIDCustomSensorDeviceVendorDefinedTypeID);
watcher = DeviceInformation.CreateWatcher(customSensorSelector);
watcher.Added += OnCustomSensorAdded;
watcher.Start();
// Register to be notified when the user disables access to the custom sensor through privacy settings.
deviceAccessInformation = DeviceAccessInformation.CreateFromDeviceClassId(GUIDCustomSensorDeviceVendorDefinedTypeID);
deviceAccessInformation.AccessChanged += new TypedEventHandler <DeviceAccessInformation, DeviceAccessChangedEventArgs>(OnAccessChanged);
}
/// <summary>
/// Invoked when the device watcher finds a matching custom sensor device
/// </summary>
/// <param name="watcher">device watcher</param>
/// <param name="customSensorDevice">device information for the custom sensor that was found</param>
public async void OnCustomSensorAdded(DeviceWatcher watcher, DeviceInformation customSensorDevice)
{
try
{
customSensor = await CustomSensor.FromIdAsync(customSensorDevice.Id);
if (customSensor != null)
{
CustomSensorReading reading = customSensor.GetCurrentReading();
if (!reading.Properties.ContainsKey(CO2LevelKey))
{
rootPage.NotifyUser("The found custom sensor doesn't provide CO2 reading", NotifyType.ErrorMessage);
customSensor = null;
}
else
{
// Select a report interval that is both suitable for the purposes of the app and supported by the sensor.
// This value will be used later to activate the sensor.
// In the case below, we defined a 200ms report interval as being suitable for the purpose of this app.
UInt32 minReportInterval = customSensor.MinimumReportInterval;
desiredReportInterval = minReportInterval > 200 ? minReportInterval : 200;
}
}
else
{
rootPage.NotifyUser("No custom sensor found", NotifyType.ErrorMessage);
}
}
catch (Exception e)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
rootPage.NotifyUser("The user may have denied access to the custom sensor. Error: " + e.Message, NotifyType.ErrorMessage);
});
}
}
/// <summary>
/// Invoked when the device watcher finds a matching custom sensor device
/// </summary>
/// <param name="watcher">device watcher</param>
/// <param name="customSensorDevice">device information for the custom sensor that was found</param>
public async void OnCustomSensorAdded(DeviceWatcher watcher, DeviceInformation customSensorDevice)
{
try
{
customSensor = await CustomSensor.FromIdAsync(customSensorDevice.Id);
if (customSensor != null)
{
CustomSensorReading reading = customSensor.GetCurrentReading();
if (!reading.Properties.ContainsKey(CO2LevelKey))
{
rootPage.NotifyUser("The found custom sensor doesn't provide CO2 reading", NotifyType.ErrorMessage);
customSensor = null;
}
else
{
// Select a report interval that is both suitable for the purposes of the app and supported by the sensor.
// This value will be used later to activate the sensor.
// In the case below, we defined a 200ms report interval as being suitable for the purpose of this app.
UInt32 minReportInterval = customSensor.MinimumReportInterval;
desiredReportInterval = minReportInterval > 200 ? minReportInterval : 200;
}
}
else
{
rootPage.NotifyUser("No custom sensor found", NotifyType.ErrorMessage);
}
}
catch(Exception e)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
rootPage.NotifyUser("The user may have denied access to the custom sensor. Error: " + e.Message, NotifyType.ErrorMessage);
});
}
}
/// <summary>
/// This is the event handler for AccessChanged events.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void OnAccessChanged(DeviceAccessInformation sender, DeviceAccessChangedEventArgs e)
{
var status = e.Status;
if (status != DeviceAccessStatus.Allowed)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
rootPage.NotifyUser("Custom sensor access denied", NotifyType.ErrorMessage);
customSensor = null;
});
}
}
public CustomSensorEvents(CustomSensor This)
{
this.This = This;
}