bool HelloWorld::init()
{
  bool bRet = false;
  do
  {

    CC_BREAK_IF(! CCLayer::init());

  //参数就不说了，看一下你的资源文件就明白了
  CCControlSwitch * controlSwitch = CCControlSwitch::create(
   CCSprite::create("extensions/switch-mask.png"),
   CCSprite::create("extensions/switch-on.png"),
   CCSprite::create("extensions/switch-off.png"),
   CCSprite::create("extensions/switch-thumb.png"),
   CCLabelTTF::create("On", "Arial-BoldMT", 16),
   CCLabelTTF::create("Off", "Arial-BoldMT", 16));

  //设置位置
  controlSwitch->setPosition(ccp(240,160));

  //这个函数对应初始时，开关的状态是开还是关。
  controlSwitch->setOn(true);
  //这个函数对应开关能否使用。
  controlSwitch->setEnabled(true);

  //添加事件监听
  controlSwitch->addTargetWithActionForControlEvents(this,cccontrol_selector(HelloWorld::valueChanged),
   CCControlEventValueChanged);

  this->addChild(controlSwitch);

    bRet = true;
  } while (0);

  return bRet;
}

void HelloWorld::valueChanged(CCObject * pSender,CCControlEvent controlEvent)
{
 CCControlSwitch * controlSwitch = (CCControlSwitch *)pSender;
 CCLog("click");
}