/// <summary>
/// Populates the device list and initializes all the various models.
///
/// Waiting for the async calls to complete takes a while, so we want to call this
/// function somewhat sparingly.
/// </summary>
/// <returns></returns>
public static async Task PopulateDeviceListAsync()
{
// Remove all devices and start from scratch
PairedDevices.Clear();
// Asynchronously get all paired/connected bluetooth devices.
var infoCollection = await DeviceInformation.FindAllAsync(BluetoothLeDevice.GetDeviceSelector());
// Re-add devices
foreach (var info in infoCollection)
{
// Make sure we don't initialize duplicates
if (PairedDevices.FindIndex(device => device.DeviceId == info.Id) >= 0)
{
continue;
}
var wrtDevice = await BluetoothLeDevice.FromIdAsync(info.Id);
var deviceM = new BeDeviceModel();
deviceM.Initialize(wrtDevice, info);
PairedDevices.Add(deviceM);
}
/*
* FUTURE
*
* Consider reading one characteristic from each device uncached to trigger a connection to the
* device, in case the device does not have notifiable characteristics.
*
* Also consider registering for DeviceConnectionChangeTrigger, in case a device does not have
* notifiable characteristics. But that may be overkill - what's the likelihood that a device
* won't have notifiable characteristics?
*
*/
}
/// <summary>
/// Populates the device list and initializes all the various models.
///
/// Waiting for the async calls to complete takes a while, so we want to call this
/// function somewhat sparingly.
/// </summary>
/// <returns></returns>
public static async Task PopulateDeviceListAsync()
{
// Remove all devices and start from scratch
PairedDevices.Clear();
// Asynchronously get all paired/connected bluetooth devices.
var infoCollection = await DeviceInformation.FindAllAsync(BluetoothLeDevice.GetDeviceSelector());
// Re-add devices
foreach (var info in infoCollection)
{
// Make sure we don't initialize duplicates
if (PairedDevices.FindIndex(device => device.DeviceId == info.Id) >= 0)
{
continue;
}
var wrtDevice = await BluetoothLeDevice.FromIdAsync(info.Id);
var deviceM = new BeDeviceModel();
deviceM.Initialize(wrtDevice, info);
PairedDevices.Add(deviceM);
}
/*
* FUTURE
*
* Consider reading one characteristic from each device uncached to trigger a connection to the
* device, in case the device does not have notifiable characteristics.
*
* Also consider registering for DeviceConnectionChangeTrigger, in case a device does not have
* notifiable characteristics. But that may be overkill - what's the likelihood that a device
* won't have notifiable characteristics?
*
*/
}
public void Initialize(BeDeviceModel deviceM)
{
Model = deviceM;
DeviceM = deviceM;
DeviceM.Register(this);
}
