如何改变iframe的大小的Andr​​oid的WebView? [英] How to change iframe size in Android WebView?

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问题描述

I'va创建了一个网页,并在Android的WebView中加载它。

I'va created an web page and loaded it in android WebView.

HTML源$ C ​​$ C:

HTML source code:

<html>
    <head>
        <script type="text/javascript">
            function changeIframeSize(height, width){
                var iframe = document.getElementById("iframe1");
                iframe.height = height;
                iframe.width = width;
            }
        </script>
    </head>
    <body style="margin: 0; padding: 0"> 
        <iframe src="https://docs.google.com/forms/d/1_cAHFx_vODxMGGGwhrrXx0rGiv0vs-GLsPRMTJ0COgg/viewform?embedded=true" width="360" height="515" frameborder="0" marginheight="0" marginwidth="0" id="iframe1" style="margin: 0; padding: 0"> Loading...   
        </iframe>  
    </body>
</html>

我装使用此方法此页:

I loaded this page using this method:

webView.loadDataWithBaseURL("http://base", htmlSource, "text/html", "utf-8", "");

我想从Java code改变iframe的大小。我想这样做使用JavaScript:

I want to change iframe size from Java code. I tried to do that using JavaScript:

DisplayMetrics metrix = getResources().getDisplayMetrics();
int width = metrix.widthPixels;
int height = metrix.heightPixels;
float density = metrix.density;

String func = "javascript:changeIframeSize(" +
        (int)(height / density - (75 + (hasAdView() ? 50 : 0))) +
        ", " +
        (int)(width / density) +
        ")";

webView.loadUrl(func);

但它不工作。任何人可以帮助我吗?

But it does not work. Can anybody help me?

推荐答案

使用loadURL尝试之前,在第一时间:

Try before loadUrl at first time:

WebSettings webSettings = webview.getSettings();
webSettings.setJavaScriptEnabled( true);

这篇关于如何改变iframe的大小的Andr​​oid的WebView?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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