編輯:關於Android編程
感覺android中的toast效果挺不錯的,就試著自己用2dx做了一下,挺簡單的,效果也不錯。
XYToast.h
#pragma once
#include "cocos2d.h"
#include "cocos-ext.h"
USING_NS_CC;
USING_NS_CC_EXT;
using namespace std;
class XYToast: public CCLayerColor
{
public:
CCSize visibleSize;
CCPoint origin;
CCScale9Sprite* bg;
public:
XYToast();
~XYToast();
void removeSelf();
virtual bool init();
void initToast(string msg,float time);
CREATE_FUNC(XYToast);
void onExit();
};
XYToast.cpp
#include "XYToast.h"
XYToast::XYToast()
{
}
XYToast::~XYToast()
{
}
bool XYToast::init()
{
bool bRet = false;
do {
CC_BREAK_IF(!CCLayerColor::initWithColor(ccc4(0, 0, 0, 0)));//ccc4(0, 0, 0, 125)
visibleSize = CCDirector::sharedDirector()->getVisibleSize();
origin = CCDirector::sharedDirector()->getVisibleOrigin();
//====================================
bg = CCScale9Sprite::create("toast_bg.png");
bg->setPosition(ccp(origin.x+visibleSize.width/2,origin.y+130*visibleSize.height/960));
//============================
bRet = true;
} while (0);
return bRet;
}
void XYToast::onExit()
{
CCLayerColor::onExit();
}
void XYToast::initToast( string msg,float time )
{
CCLabelTTF* pLabel = CCLabelTTF::create(msg.c_str(), "Arial", 21);
pLabel->setColor(ccWHITE);
bg->setContentSize(CCSizeMake(pLabel->getContentSize().width+10,pLabel->getContentSize().height+10));
bg->addChild(pLabel, 1);
this->addChild(bg,10);
pLabel->setPosition(ccp(bg->getContentSize().width/2,bg->getContentSize().height/2));
pLabel->runAction(CCSequence::create(CCFadeIn::create(time/5),
CCDelayTime::create(time/5*3),CCFadeOut::create(time/5),NULL));
bg->runAction(CCSequence::create(CCFadeIn::create(time/5),
CCDelayTime::create(time/5*3),CCFadeOut::create(time/5),
CCCallFunc::create(this,callfunc_selector(XYToast::removeSelf)),NULL));
//=========================
//this->scheduleOnce(schedule_selector(XYToast::removeSelf),time);
}
void XYToast::removeSelf()
{
this->removeFromParentAndCleanup(true);
}
調用方法
XYToast* toast = XYToast::create();
toast->initToast(Tools::a2u("登錄成功").c_str(),2.5f);
this->addChild(toast,10);
背景圖
<喎?/kf/ware/vc/" target="_blank" class="keylink">vcD4KPHA+1NnTw76yzKy3vbeo0LTSu7j2o6zSu9H5tcTQp7n7o6y199PDuPy807e9seM8L3A+CjxwPlRvb2xzLmg8L3A+CjxwPjxwcmUgY2xhc3M9"brush:java;"> static void showToast(CCLayer*layer,string msg,float dt);
void removeToast(CCNode* node);Tools.cpp
void Tools::showToast(CCLayer*layer, string msg,float dt )
{
CCSize visibleSize = CCDirector::sharedDirector()->getVisibleSize();
CCPoint origin = CCDirector::sharedDirector()->getVisibleOrigin();
CCScale9Sprite* bg = CCScale9Sprite::create("toast_bg.png");
bg->setPosition(ccp(origin.x+visibleSize.width/2,origin.y+130*visibleSize.height/960));
CCLabelTTF* pLabel = CCLabelTTF::create(msg.c_str(), "Arial", 21);
pLabel->setColor(ccWHITE);
bg->setContentSize(CCSizeMake(pLabel->getContentSize().width+10,pLabel->getContentSize().height+10));
bg->addChild(pLabel, 1);
layer->addChild(bg,10);
pLabel->setPosition(ccp(bg->getContentSize().width/2,bg->getContentSize().height/2));
pLabel->runAction(CCSequence::create(CCFadeIn::create(dt/5),
CCDelayTime::create(dt/5*3),CCFadeOut::create(dt/5),NULL));
bg->runAction(CCSequence::create(CCFadeIn::create(dt/5),
CCDelayTime::create(dt/5*3),CCFadeOut::create(dt/5),
CCCallFuncN::create(bg,callfuncN_selector(Tools::removeToast)),
NULL));
}
void Tools::removeToast(CCNode* node)
{
node->removeFromParentAndCleanup(true);
}Tools::showToast(this,"error",3.0f);
Android內存優化(使用SparseArray和ArrayMap代替HashMap)
在Android開發時,我們使用的大部分都是Java的api,比如HashMap這個api,使用率非常高,但是對於Android這種對內存非常敏感的移動平台,很多時候使用
Android TextView(圓弧)邊框和背景實例詳解
Android TextView 圓弧效果圖:布局代碼:<TextView android:id=@+id/product_tag
StickHeaderItemDecoration--RecyclerView使用的固定頭部裝飾類
目錄概述StickHeaderItemDecoration是用於顯示固定頭部的item裝飾類,擴展來自系統的ItemDecoration.本文參考了一部分sticky-h
android開發中ListView與Adapter使用要點介紹
1. Adapter.getView() public View getView(int position, View convertView , ViewGroup p