| public Update ( Android.Bluetooth.BluetoothDevice nativeDevice, Android.Bluetooth.BluetoothGatt gatt, IGattCallback gattCallback ) : void | ||
| nativeDevice | Android.Bluetooth.BluetoothDevice | |
| gatt | Android.Bluetooth.BluetoothGatt | |
| gattCallback | IGattCallback | |
| return | void | |
public override void OnConnectionStateChange(BluetoothGatt gatt, GattStatus status, ProfileState newState)
{
base.OnConnectionStateChange(gatt, status, newState);
if (!gatt.Device.Address.Equals(_device.BluetoothDevice.Address))
{
Trace.Message($"Gatt callback for device {_device.BluetoothDevice.Address} was called for device with address {gatt.Device.Address}. This shoud not happen. Please log an issue.");
return;
}
//ToDo ignore just for me
Trace.Message($"References of parent device and gatt callback device equal? {ReferenceEquals(_device.BluetoothDevice, gatt.Device).ToString().ToUpper()}");
Trace.Message($"OnConnectionStateChange: GattStatus: {status}");
switch (newState)
{
// disconnected
case ProfileState.Disconnected:
// Close GATT regardless, else we can accumulate zombie gatts.
CloseGattInstances(gatt);
if (_device.IsOperationRequested)
{
Trace.Message("Disconnected by user");
//Found so we can remove it
_device.IsOperationRequested = false;
_adapter.ConnectedDeviceRegistry.Remove(gatt.Device.Address);
if (status != GattStatus.Success)
{
// The above error event handles the case where the error happened during a Connect call, which will close out any waiting asyncs.
// Android > 5.0 uses this switch branch when an error occurs during connect
Trace.Message($"Error while connecting '{_device.Name}'. Not raising disconnect event.");
_adapter.HandleConnectionFail(_device, $"GattCallback error: {status}");
}
else
{
//we already hadled device error so no need th raise disconnect event(happens when device not in range)
_adapter.HandleDisconnectedDevice(true, _device);
}
break;
}
//connection must have been lost, because the callback was not triggered by calling disconnect
Trace.Message($"Disconnected '{_device.Name}' by lost connection");
_adapter.ConnectedDeviceRegistry.Remove(gatt.Device.Address);
_adapter.HandleDisconnectedDevice(false, _device);
// inform pending tasks
ConnectionInterrupted?.Invoke(this, EventArgs.Empty);
break;
// connecting
case ProfileState.Connecting:
Trace.Message("Connecting");
break;
// connected
case ProfileState.Connected:
Trace.Message("Connected");
//Check if the operation was requested by the user
if (_device.IsOperationRequested)
{
_device.Update(gatt.Device, gatt);
//Found so we can remove it
_device.IsOperationRequested = false;
}
else
{
//ToDo explore this
//only for on auto-reconnect (device is not in operation registry)
_device.Update(gatt.Device, gatt);
}
if (status != GattStatus.Success)
{
// The above error event handles the case where the error happened during a Connect call, which will close out any waiting asyncs.
// Android <= 4.4 uses this switch branch when an error occurs during connect
Trace.Message($"Error while connecting '{_device.Name}'. GattStatus: {status}. ");
_adapter.HandleConnectionFail(_device, $"GattCallback error: {status}");
CloseGattInstances(gatt);
}
else
{
_adapter.ConnectedDeviceRegistry[gatt.Device.Address] = _device;
_adapter.HandleConnectedDevice(_device);
}
_device.HandleConnectionCancellation();
break;
// disconnecting
case ProfileState.Disconnecting:
Trace.Message("Disconnecting");
break;
}
}
