开启按键按键监听
setKeypadEnabled(true);
virtual void keyBackClicked();
void BanQiuLayer::keyBackClicked()
{
//暂停声音播放
CocosDenshion::SimpleAudioEngine::sharedEngine()->pauseBackgroundMusic();
mag->toBeginLayer(); //返回到上一个场景
}
Cocos2d-x响应android返回键,布布扣,bubuko.com
原文：http://blog.csdn.net/oyangyufu/article/details/33334703