这个例子说明通过WebView.addJavascr iptInterface方法，我们可以扩展Javascr ipt 的API，获取Android的数据。这样，JS的粉丝就可以使用Dojo，JQuery，Prototy等这些知名的js框架来搭建android应用程序来展现它们很酷很玄的效果-This example illustrates the method by WebView.addJavascr iptInterface, we can extend the Javascr ipt, API, access to Android data. This, JS fans, you can use Dojo, JQuery, Prototy js frameworks such as those known to build android applications to demonstrate their effect is mysterious and cool