这里引用 第三方类库
implementation 'org.jsoup:jsoup:1.10.2'
定义工具类 HtmlUtils复制代码
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
public class HtmlUtils {
/**
* 将html文本内容中包含img标签的图片,宽度变为屏幕宽度,高度根据宽度比例自适应
**/
public static String getNewContent(String htmltext){
try {
Document doc= Jsoup.parse(htmltext);
Elements elements=doc.getElementsByTag("img");
for (Element element : elements) {
element.attr("width","100%").attr("height","auto");
}
return doc.toString();
} catch (Exception e) {
return htmltext;
}
}
}
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使用方法
if(!TextUtils.isEmpty(mCourseDetailRes.getVideo_intro())) {
mWebView.setVisibility(View.VISIBLE);
WebSettings webSettings = mWebView.getSettings();
// 启用JS
webSettings.setJavaScriptEnabled(true);
webSettings.setUseWideViewPort(true);
webSettings.setLoadWithOverviewMode(true);
webSettings.setBuiltInZoomControls(false);//开启zoom
webSettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);
webSettings.setDisplayZoomControls(false);
mWebView.setWebViewClient(new WebViewClient());
String html=HtmlUtils.getNewContent(mCourseDetailRes.getVideo_intro());
mWebView.loadData(html+ "", "text/html", "UTF-8");
}
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