public Device(BluetoothManager manager,
BluetoothDevice native,
GattCallbacks callbacks) : base(native.Name, ToDeviceId(native.Address))
{
this.connSubject = new Subject <ConnectionStatus>();
this.connFailSubject = new Subject <GattStatus>();
this.context = new DeviceContext(native, callbacks);
this.manager = manager;
}
public Device(BluetoothManager manager,
BluetoothDevice native,
GattCallbacks callbacks,
TaskScheduler scheduler) : base(native.Name, ToDeviceId(native.Address))
{
this.context = new GattContext(native, callbacks);
this.manager = manager;
this.scheduler = scheduler; // this is the thread that the device was scanned on (required by some devices)
this.connSubject = new Subject <ConnectionStatus>();
}
protected override Task ConnectAsync()
{
if (bluetoothAdapter == null)
{
return(Task.FromException(new BluetoothLEException("BluetoothAdapter not initialized.")));
}
if (bluetoothGatt == null)
{
gattCallback = new GattCallbacks(
(gatt, status, newState) => // onConnectionStateChange
{
if (newState == ProfileState.Connected)
{
//intentAction = BluetoothLeService.ACTION_GATT_CONNECTED;
//BluetoothLeService.this.mConnectionState = 2;
//BluetoothLeService.this.broadcastUpdate(intentAction);
System.Diagnostics.Debug.WriteLine("Connected to GATT server.");
System.Diagnostics.Debug.WriteLine($"Attempting to start service discovery:{gatt?.DiscoverServices()}");
}
else if (newState == ProfileState.Disconnected)
{
//intentAction = BluetoothLeService.ACTION_GATT_DISCONNECTED;
//BluetoothLeService.this.mConnectionState = 0;
System.Diagnostics.Debug.WriteLine("Disconnected from GATT server.");
//BluetoothLeService.this.broadcastUpdate(intentAction);
}
},
(gatt, status) => // onServicesDiscovered
{
if (status == GattStatus.Success)
{
//BluetoothLeService.this.broadcastUpdate(BluetoothLeService.ACTION_GATT_SERVICES_DISCOVERED);
foreach (var service in gatt.Services)
{
System.Diagnostics.Debug.WriteLine($"GattService, UUID=[{service.Uuid}]");
}
Services.AddRange(gatt.Services.Select(S => new BluetoothGattServiceAndroid(this, S)));
RaiseServicesUpdated();
}
else
{
System.Diagnostics.Debug.WriteLine($"onServicesDiscovered received: {status}");
}
},
(gatt, characteristic, status) => // onCharacteristicRead
{
//BluetoothLeService.this.broadcastUpdate(BTConstants.responseMapMapLookup(status, "UnKown Response"), characteristic);
},
(gatt, characteristic) => // onCharacteristicChanged
{
//BluetoothLeService.this.broadcastUpdate(BluetoothLeService.ACTION_CHAR_CHANGED, characteristic);
},
(gatt, characteristic, status) => // onCharacteristicWrite
{
//BluetoothLeService.this.broadcastUpdate(BTConstants.responseMapMapLookup(status, "UnKown Response"), characteristic);
},
(gatt, descriptor, status) => // onDescriptorRead
{
//BluetoothLeService.this.broadcastUpdate(BTConstants.responseMapMapLookup(status, "UnKown Response"), descriptor);
},
(gatt, descriptor, status) => // onDescriptorWrite
{
//BluetoothLeService.this.broadcastUpdate(BTConstants.responseMapMapLookup(status, "UnKown Response"), descriptor);
},
(gatt, status) => //onReliableWriteCompleted
{
//BluetoothLeService.this.broadcastUpdate(BTConstants.responseMapMapLookup(status, "UnKown Response"));
},
(gatt, rssi, status) => //onReadRemoteRssi
{
//BluetoothLeService.this.broadcastUpdate(BTConstants.responseMapMapLookup(status, "UnKown Response"), rssi);
});
bluetoothGatt = device.ConnectGatt(Android.App.Application.Context, false, gattCallback);
//Log.d(TAG, "Trying to create a new connection.");
//this.mBluetoothDeviceAddress = address;
//this.mConnectionState = 1;
//return true;
return(Task.CompletedTask);
}
else
{
//Log.d(TAG, "Trying to use an existing mBluetoothGatt for connection.");
if (bluetoothGatt.Connect() != true)
{
return(Task.FromException(new BluetoothLEException("BluetoothGatt connect fail.")));
}
else
{
//this.mConnectionState = 1;
return(Task.CompletedTask);
}
}
}
