android的webview调用javascript函数并失去返回值

android的webview调用javascript函数并得到返回值

java代码：

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ProxyBridge pBridge = new ProxyBridge();    wv.addJavascriptInterface(pBridge, "test"); loadurl(wv, "file://sdcard/test/cookie.html");private class ProxyBridge {public void getCookie(String name,String value) { 

System.err.println("哈哈哈，成功了:"+name+"  "+value);}}

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html代码

function getCookie(name)//取cookies函数        {    var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));     if(arr != null){test.getCookie(name,unescape(arr[2]));

     }else{

test.getCookie(name,"null");     }}

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