public Device(BluetoothDevice nativeDevice, BluetoothGatt gatt,
GattCallback gattCallback, int rssi)
{
try
{
_nativeDevice = nativeDevice;
_gatt = gatt;
_gattCallback = gattCallback;
_rssi = rssi;
// when the services are discovered on the gatt callback, cache them here
if (_gattCallback != null)
{
_gattCallback.ServicesDiscovered += (s, e) =>
{
if (_gattCallback.Services != null)
{
var services = _gattCallback.Services;
_services = new List <IService>();
foreach (var item in services)
{
_services.Add(new Service(item, _gatt, _gattCallback));
}
if (ServicesDiscovered != null)
{
ServicesDiscovered(this, e);
}
}
};
}
}
catch (Exception ex)
{
Debug.WriteLine("Error :{0}", ex.Message);
}
}
public Characteristic(BluetoothGattCharacteristic nativeCharacteristic, BluetoothGatt gatt,
GattCallback gattCallback)
{
_nativeCharacteristic = nativeCharacteristic;
_gatt = gatt;
_gattCallback = gattCallback;
if (_gattCallback != null)
{
// wire up the characteristic value updating on the gattcallback
_gattCallback.CharacteristicValueUpdated += (sender, e) =>
{
// it may be other characteristics, so we need to test
if (e.Characteristic.ID == ID)
{
// update our underlying characteristic (this one will have a value)
//TODO: is this necessary? probably the underlying reference is the same.
//this._nativeCharacteristic = e.Characteristic;
ValueUpdated(this, e);
}
};
}
}
public Service(BluetoothGattService nativeService, BluetoothGatt gatt, GattCallback _gattCallback)
{
_nativeService = nativeService;
_gatt = gatt;
this._gattCallback = _gattCallback;
}
public Adapter()
{
var appContext = Application.Context;
// get a reference to the bluetooth system service
_manager = (BluetoothManager)appContext.GetSystemService("bluetooth");
_adapter = _manager.Adapter;
IsBluetoothEnabled = _adapter.State == State.On;
_gattCallback = new GattCallback(this);
_gattCallback.DeviceConnected += (sender, e) =>
{
if (!IsScanning)
{
DisconnectDevice(e.Device);
return;
}
cancelScan = true;
// if (e.Device.State != DeviceState.Connected)
if (!ContaisDevice(_connectedDevices, e.Device))
{
_connectedDevices.Add(e.Device);
DeviceConnected(this, e);
}
};
_gattCallback.DeviceDisconnected += (sender, e) =>
{
// TODO: remove the disconnected device from the _connectedDevices list
// i don't think this will actually work, because i'm created a new underlying device here.
//if(this._connectedDevices.Contains(
var device = e.Device;
foreach (var item in _connectedDevices)
{
if (item.DeviceGUID == e.Device.DeviceGUID)
{
device = item;
}
}
// if (e.Device.State != DeviceState.Connected) {
if (e.Device.DeviceGUID == BLEManager.SharedInstance.SelectedDevice.DeviceGUID)
{
_connectedDevices.Remove(device);
DeviceDisconnected(this, e);
StopScanningForDevices();
DiscoveredDevices.Clear();
}
};
MessagingCenter.Subscribe <AndroidBluetoothStatusMessage>(this, DroidConstant.DEVICE_BLUETOOTH_ONOFF_MESSAGE,
sender =>
{
var msg = sender;
IsBluetoothEnabled = msg.IsEnabled;
BluetoothStateChanged(this, null);
});
}
