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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<title>首页</title>
<script src="js/mui.min.js"></script>
<link href="css/mui.min.css" rel="stylesheet" />
<style>
html,
body {
background-color: #efeff4;
}
.title {
margin: 20px 15px 10px;
color: #6d6d72;
font-size: 15px;
}
</style>
</head>
<body>
<div class="mui-content">
<div class="title">
<p>这是使用nativeObj 原生控件绘制的底部选项卡示例当前为父页面显示第一个tab项内容</p>
<p>这里采用将第一个tab项内容放在父页面显示因为是入口页面会在启动中进行渲染使首页显示速度更快</p>
<p>选项卡常用于App首页为加快渲染原生底部选项卡是在manifest.json中通过plus -> launchwebview -> subNViews 节点配置的</p>
<p>选项卡图标使用字体绘制,点击可切换对应选项卡的高亮状态,开发者可自定义相应的点击事件;</p>
<p>本示例中点击第二个选项卡打开一个支持下拉刷新的webview点击第四个选项卡打开一个新窗口。</p>
<p>中间悬浮大球图标因涉及屏幕分辨率动态计算目前是在首页plusReady事件中实现绘制的。该悬浮大球支持点击事件开发者可定制实现对应的点击逻辑。</P>
<p>为提高性能,本示例选项卡图标全部使用字体文件绘制(推荐),实际使用中也可以使用图片绘制。</p>
</div>
</div>
<script src="js/util.js"></script>
<script type="text/javascript">
var aniShow = {};
mui.init({
swipeBack: true //启用右滑关闭功能
});
mui.plusReady(function() {
var self = plus.webview.currentWebview(),
nviews = self.getSubNViews(),
subpages = util.options.subpages,
leftPos = Math.ceil((window.innerWidth - 60) / 2); // 设置凸起大图标为水平居中
/**
* drawNativeIconBg 绘制带边框的半圆,
* 实现原理:
* id为bg的tag 创建带边框的圆
* id为bg2的tag 创建白色矩形遮住圆下半部分,只显示凸起带边框部分
* 注意创建先后顺序,创建越晚的层级越高
*/
var drawNativeIconBg = util.drawNative('iconBg', {
bottom: '5px',
left: leftPos + 'px',
width: '60px',
height: '60px',
position: 'dock'
}, [{
tag: 'rect',
id: 'bg',
position: {
top: '0px',
left: '0px',
width: '100%',
height: '100%'
},
rectStyles: {
color: '#fff',
radius: '30px',
borderColor: '#ccc',
borderWidth: '1px'
}
}, {
tag: 'rect',
id: 'bg2',
position: {
bottom: '0px',
left: '0px',
width: '100%',
height: '45px'
},
rectStyles: {
color: '#fff'
}
}]);
/**
* 凸起图标最后创建 浮在最顶层
* id为iconBg的红色背景图
* id为icon的字体图标
*
*/
var drawNativeIcon = util.drawNative('tabIcon', {
bottom: '10px',
left: leftPos + 5 + 'px',
width: '50px',
height: '50px',
position: 'dock' //此种停靠方式表明该控件应浮在窗口最上层,以免被其他窗口遮住
}, [{
tag: 'rect',
id: 'iconBg',
position: {
top: '0px',
left: '0px',
width: '50px',
height: '100%'
},
rectStyles: {
color: '#d74b28',
size: '50px',
radius: '50%'
}
}, {
tag: 'font',
id: 'icon',
text: '\ue600', //此为字体图标Unicode码'\e600'转换为'\ue600'
position: {
top: '0px',
left: '0px',
width: '50px',
height: '100%'
},
textStyles: {
fontSrc: '_www/fonts/iconfont.ttf',
align: 'center',
color: '#fff',
size: '30px'
}
}]);
// append 到父webview中
self.append(drawNativeIconBg);
self.append(drawNativeIcon);
//自定义监听图标点击事件
drawNativeIcon.addEventListener('click', function(e) {
mui.alert('你点击了图标,你在此可以打开摄像头或者新窗口等自定义点击事件。', '悬浮球点击事件');
// 重绘字体颜色
drawNativeIcon.drawText('\ue600', {}, {
fontSrc: '_www/fonts/iconfont.ttf',
align: 'center',
color: '#000',
size: '30px'
}, 'icon');
});
//创建子webview窗口 并初始化
util.initSubpage();
var activePage = plus.webview.currentWebview();
//给每个view 添加监听点击切换
for(var i = 0; i < 4; i++) {
nviews[i].addEventListener('click', clickEvent, false);
}
// 自定义 tab 点击事件
function clickEvent(e) {
var currId = e.target.id,
currIndex = parseInt(currId.substr(currId.length - 1, 1) - 1),
currView = self.getStyle().subNViews[currIndex];
// 匹配对应tab窗口
if(currIndex > 0){
targetPage = plus.webview.getWebviewById(subpages[currIndex-1]);
}else {
targetPage = plus.webview.currentWebview();
}
if(targetPage == activePage) {
return;
}
if(currIndex !== 3) {
//底部选项卡切换
util.toggleNview(currView, currIndex);
// 子页面切换
util.changeSubpage(targetPage, activePage);
//更改当前活跃的页面
activePage = targetPage;
} else {
//第四个tab 打开新窗口
var newWV = plus.webview.create('html/new-webview.html', 'new');
newWV.show('slide-in-right', 200);
}
}
});
</script>
</body>
</html>