bool HelloWorld::init(){  bool bRet = false;  do  {    CC_BREAK_IF(! CCLayer::init());		//設置一個顯示字符串的label		CCLabelTTF * title = CCLabelTTF::create("#128128128","Arial",32);		title->setPosition(ccp(240,280));		//設置label的tag為1，方便以后獲取		this->addChild(title,0,1);		//這里有一個問題需要注意，在create之前，應該在resource目錄下新建一個文件夾叫做extensions，然后把源代碼中		//和CCControlColourPicker相關的資源導入進去		CCControlColourPicker * colorPicker = CCControlColourPicker::create();		colorPicker->setColor(ccc3(128,128,128));		//設置一張背景圖片,但是卻不起作用，至今沒解決，有誰解決了，說一聲		//colorPicker->setBackground(CCSprite::create("HelloWorld.png"));		//為colorPicker添加事件監聽函數		colorPicker->addTargetWithActionForControlEvents(this,cccontrol_selector(HelloWorld::colorValueChanged),  		CCControlEventValueChanged);		//設置位置		colorPicker->setPosition(ccp(240,160));		this->addChild(colorPicker);    bRet = true;  } while (0);  return bRet;}void HelloWorld::colorValueChanged(CCObject * pSender,CCControlEvent controlEvent) {	CCLabelTTF * title = (CCLabelTTF *)this->getChildByTag(1);	CCControlColourPicker * pPicker = (CCControlColourPicker *)pSender;	//這里需要注意了，本人用的cocos2d-x的版本是2.2，應該用pPicker調用getColor函數，但據本人查看他人的	//博客，他們都是用的getColorValue函數，他們應該是早一點的版本	title->setString(CCString::createWithFormat("#%03d%03d%03d",pPicker->getColor().r,pPicker->getColor().g,		pPicker->getColor().b)->getCString()); }