logout method Null safety

Future<bool?> logout(
  1. [bool unbindDeviceToken = true]
)

退出登录,是否解除deviceToken绑定unbindDeviceToken 返回退出是否成功

Implementation

Future<bool?> logout([
  bool unbindDeviceToken = true,
]) async {
  EMLog.v('logout unbindDeviceToken: $unbindDeviceToken');
  Map req = {'unbindToken': unbindDeviceToken};
  Map result = await _channel.invokeMethod(EMSDKMethod.logout, req);
  EMError.hasErrorFromResult(result);
  _clearAllInfo();
  return result.boolValue(EMSDKMethod.logout);
}