前兩年，安卓的分辨率多數(shù)還是240px 或 320px，現(xiàn)在是360px，為了向下兼容，向上也兼容，最終將 360px 定為設(shè)計的尺寸，后期可以使用CSS3 Media Queries即媒體查詢特性做進一步的兼容，兼容其他設(shè)備，以及做一些設(shè)備的橫屏的兼容。

附：屏幕尺寸測試的JS代碼，如下

<!DOCTYPE html>
<html>
<head>
 <title>屏幕尺寸測試</title>
 <meta http-equiv="Content-type" content="text/html; charset=utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
 <meta name="apple-mobile-web-app-capable" content="yes" />
 <META HTTP-EQUIV="Pragma" CONTENT="no-cache">
</head>

<body style="padding:0px;margin:0px;" scroll="no">
	<script language="javascript">
		var s = "";
		s += "網(wǎng)頁可見區(qū)域?qū)挘?+ document.body.clientWidth;
		s += "<br>網(wǎng)頁可見區(qū)域高："+ document.body.clientHeight;
		s += "<br>網(wǎng)頁可見區(qū)域?qū)挘?+ document.body.offsetWidth +" (包括邊線和滾動條的寬)";
		s += "<br>網(wǎng)頁可見區(qū)域高："+ document.body.offsetHeight +" (包括邊線的寬)";
		s += "<br>網(wǎng)頁正文全文寬："+ document.body.scrollWidth;
		s += "<br>網(wǎng)頁正文全文高："+ document.body.scrollHeight;
		s += "<br>網(wǎng)頁被卷去的高："+ document.body.scrollTop;
		s += "<br>網(wǎng)頁被卷去的左："+ document.body.scrollLeft;
		s += "<br>網(wǎng)頁正文部分上："+ window.screenTop;
		s += "<br>網(wǎng)頁正文部分左："+ window.screenLeft;
		s += "<br>屏幕分辨率的高："+ window.screen.height;
		s += "<br>屏幕分辨率的寬："+ window.screen.width;
		s += "<br>屏幕可用工作區(qū)高度："+ window.screen.availHeight;
		s += "<br>屏幕可用工作區(qū)寬度："+ window.screen.availWidth;
		s += "<br>你的屏幕設(shè)置是 "+ window.screen.colorDepth +" 位彩色";
		s += "<br>你的屏幕設(shè)置 "+ window.screen.deviceXDPI +" 像素/英寸";
		document.write(s);
	</script>
</body>
</html>

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