Cocos2d-x3.0 捕捉Android的菜单键和返回键

原文地址：http://blog.csdn.net/qqmcy/article/details/26172665

 void onKeyReleased(EventKeyboard::KeyCode keycode, Event* event);

.cpp 注册返回键监听

////  PrograssScene.cpp//  SJKB////  Created by 杜甲 on 14-5-5.////#include "PrograssScene.h"#include "VisibleRect.h"bool PrograssScene::init(){    bool bRet = false;    do {        CC_BREAK_IF(!Scene::init());                //注册捕捉监听        auto listenerkeyPad = EventListenerKeyboard::create();        listenerkeyPad->onKeyReleased = CC_CALLBACK_2(PrograssScene::onKeyReleased, this);        _eventDispatcher->addEventListenerWithSceneGraphPriority(listenerkeyPad, this);                _prograssLayer = PrograssLayer::create();        _prograssLayer->setSize(VisibleRect::getVisibleRect().size);        addChild(_prograssLayer);                        bRet  = true;    } while (0);    return bRet;}//捕捉监听void PrograssScene::onKeyReleased(EventKeyboard::KeyCode keycode, cocos2d::Event *event){    if (keycode == EventKeyboard::KeyCode::KEY_BACKSPACE)  //返回    {        Director::getInstance()->popScene();                            }    else if (keycode == EventKeyboard::KeyCode::KEY_MENU)    {            }}

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