getBondedDevices method
Gets and updates the bonded devices
Implementation
Future<List<BluetoothDevice>> getBondedDevices() async {
final List<dynamic> result = await _channel.invokeMethod('getBondedDevices');
final devices = result.map((deviceMap) => BluetoothDevice.fromMap(deviceMap)).toList();
// Update the bonded devices list
_bondedDevices.clear();
_bondedDevices.addAll(devices);
return devices;
}