getConnectedDevice method
Implementation
Future<BluetoothDevice?> getConnectedDevice() async {
final res = await _channel.invokeMethod('connectedDevice');
if (res != null) {
final device = BluetoothDevice._internal(
name: res['name'],
address: res['address'],
type: res['type'],
isConnected: res['is_connected'],
printer: this,
);
return device;
}
return null;
}