zhichen-edu
/
zc_saas_h5


			
				
					
						
						
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							<!DOCTYPE HTML>
<html>
	<head>
		<meta charset="utf-8"/>
		<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no"/>
		<meta name="HandheldFriendly" content="true"/>
		<meta name="MobileOptimized" content="320"/>
		<title>Hello H5+</title>
		<script type="text/javascript" src="../js/common.js"></script>
		<script type="text/javascript">
var ws=null;
document.addEventListener( "plusready", function(){
	//watchProximity();
	ws=plus.webview.currentWebview();
	// 页面隐藏时自动停止监听
	ws.addEventListener('hide',function(){
		watchStop();
	},false);
}, false );
function getProximity() {
	outSet( "获取设备当前距离传感器信息" );
	plus.proximity.getCurrentProximity( function ( d ) {
		outLine( "距离为：" + d );
	}, function ( e ) {
		outLine( "获取失败:" + e.message );
	} );
}
var id=null,bright=null;
function watchProximity() {
	if ( id ) {
		return;
	}
	outSet( "监听设备距离传感器信息" );
	bright = plus.screen.getBrightness();
	id = plus.proximity.watchProximity( function ( d ) {
		outLine( "距离变化："+d );
		plus.screen.setBrightness( (d<1)?0.01:bright );
	}, function ( e ) {
		plus.proximity.clearWatch( id );
		id = null;
		outLine( "监听失败:" + e.message );
	} );
}
function watchStop() {
	if ( id ) {
		outSet( "停止监听设备距离传感器信息" );
		plus.proximity.clearWatch( id );
		id = null;
	} else {
		outSet( "没有监听设备距离传感器" );
	}
}
		</script>
		<link rel="stylesheet" href="../css/common.css" type="text/css" charset="utf-8"/>
	</head>
	<body>
		<br/>
		<p class="des">距离传感器一般都在手机听筒的两侧或者是在手机听筒凹槽中，当有物体接近时（如将手机靠近耳朵接听或拨打电话），距离感应器可以检测并通知屏幕背景灯熄灭，拿开时再度点亮背景灯，这样可方便用户操作并节省电量。</p>
		<br/>
		<ul class="dlist">
			<li class="ditem" onclick="getProximity()">获取距离传感器信息</li>
			<li class="ditem" onclick="watchProximity()">监听距离传感器变化</li>
			<li class="ditem" onclick="watchStop()">停止监听</li>
		</ul>
		<div id="outpos"/>
		<div id="output">
Proximity模块管理设备距离传感器，可获取当前设备的接近距离信息，通过plus.proximity可获取设备距离传感管理对象。
		</div>
	</body>
</html>