getConnectionState method

@override Future<BluetoothConnectionState> getConnectionState(String deviceId)

实现 FlutterBluetoothPluginPlatform.getConnectionState。

Web 根据已知设备的 gatt.connected 属性返回连接状态。

Implementation

@override
Future<BluetoothConnectionState> getConnectionState(String deviceId) async {
  await _authorizedDevices();
  return _knownDevices[deviceId]?.gatt?.connected == true
      ? BluetoothConnectionState.connected
      : BluetoothConnectionState.disconnected;
}