Cocos2d-x：静态方法实现android的Toast效果

<span style="font-size:14px;">//
//  ShowToast.h
//  BananaCard
//
//  Created by Alostz on 16/4/8.
//  toast方法
//

#ifndef ShowToast_h
#define ShowToast_h

#include "cocos2d.h"
#include "ui/CocosGUI.h"

using namespace cocos2d;
using namespace std;

class ShowToast : public LayerColor
{
public:
static void ShowText(Node* node, const string& msg, const float& time); //静态函数，方便类直接调用
void removeToast(Node* node);
};

#endif /* ShowToast_h */
</span>

<span style="font-size:14px;">//
//  ShowToast.cpp
//  BananaCard
//
//  Created by Alostz on 16/4/8.
//
//

#include <ShowToast.h>

void ShowToast::ShowText(cocos2d::Node *node, const string &msg, const float &time){
Size visibleSize = Director::getInstance()->getVisibleSize();
Vec2 origin = Director::getInstance()->getVisibleOrigin();

auto pLabel = Label::createWithSystemFont(msg.c_str(), "Arial", 14);
pLabel->setColor(Color3B::WHITE);
pLabel->ignoreAnchorPointForPosition(false);
pLabel->setAnchorPoint(Vec2::ANCHOR_MIDDLE);

auto ly = LayerColor::create(Color4B(130, 120, 120, 255));
ly->ignoreAnchorPointForPosition(false);
ly->setAnchorPoint(Vec2::ANCHOR_MIDDLE);
ly->setContentSize(pLabel->getContentSize() + Size(20,15));

node->addChild(ly);
node->addChild(pLabel);
ly->setPosition(Vec2(visibleSize.width/2,-pLabel->getContentSize().height));
pLabel->setPosition(ly->getPosition());
auto seq1 = Sequence::create(FadeIn::create(time/5), DelayTime::create(time/5*1.5), FadeOut::create(time/5*2.5), CallFuncN::create(ly, CC_CALLFUNCN_SELECTOR(ShowToast::removeToast)), nullptr);
auto seq2 = Sequence::create(EaseSineIn::create(MoveBy::create(time/5, Vec2(0,200))),DelayTime::create(time/5*2),EaseSineOut::create(MoveBy::create(time/3, Vec2(0,-200))), nullptr);
auto spawn = Spawn::create(seq1, seq2, nullptr);
auto action = Repeat::create(spawn, 1);
ly->setOpacity(0);
pLabel->setOpacity(0);
ly->runAction(action);
pLabel->runAction(action->clone());
}

void ShowToast::removeToast(Node* node)
{
log("node = %s",node->getDescription().c_str());
this->removeFromParentAndCleanup(true);
}</span>