webViewでhtml画像を読み込む際の問題を解決する。

<img src="//yanxuan.nosdn.127.net/75c55a13fde5eb2bc2dd6813b4c565cc.jpg">
         <img src="//yanxuan.nosdn.127.net/e27e1de2b271a28a21c10213b9df7e95.jpg">
         <img src="//yanxuan.nosdn.127.net/9d413d1d28f753cb19096b533d53418d.jpg">
         <img src="//yanxuan.nosdn.127.net/64b0f2f350969e9818a3b6c43c217325.jpg">
         <img src="//yanxuan.nosdn.127.net/a668e6ae7f1fa45565c1eac221787570.jpg">
         <img src="//yanxuan.nosdn.127.net/0d4004e19728f2707f08f4be79bbc774.jpg">
         <img src="//yanxuan.127.net/79ee021bbe97de7ecda691de6787241f.jpg">

implementation 'org.jsoup:jsoup:1.10.2'

    public static String formatHtml(String str){
// String httpStr="";
// String divStr="<div>$content</div>";
// String ulStr="<ul style=\"line-style:none\">$ul</ul>";
        String[] split = str.split(">");
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < split.length; i++) {
            String replace = split[i].replace("<img src=\"", "<img src=\"http:");
            sb.append(replace+">");
// sb.append("<li>"+ replace +">"+"</li>");
        }
// ulStr=ulStr.replace("$ul", sb.toString());
// divStr=divStr.replace("$content", ulStr);


        return sb.toString();

    }

  // content is the html data
       String content = t1.getData().getContent();
  // Do the splicing http:
            String s = formatHtml(content);
//jsoup adapt to screen size
            Document doc = Jsoup.parse(s);

            Elements elem_img = doc.getElementsByTag("img");
// Image adapts to the screen
            if (elem_img.size() ! = 0) {
                for (Element el_img : elem_img) {
                    el_img.attr("style", "width:100%");
                }
            }
// Convert back to string after adaptation
            String s1 = doc.toString();

// The following settings do not need to be set, and the effect is not as good as after jsoup adaptation
// WebSettings settings = webView.getSettings();
// settings.setJavaScriptEnabled(true);
// settings.setUseWideViewPort(true); // key point
// settings.setLoadWithOverviewMode(true);
 // open the browser inside the webview
            webView.setWebViewClient(new WebViewClient());
// settings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);
// settings.setDefaultTextEncodingName("utf-8") ;
// The following two methods have the same effect, use either one
            webView.loadData(s1, "text/html","utf-8");
// webView.loadDataWithBaseURL(null,s1, "text/html", "utf-8", null);
            Log.i("tag", "subjectPage 1Result: "+s);