Javascript Android使用java脚本在webview中突出显示文本
我使用webview呈现html文件，并使用java脚本突出显示html中的（Hello）单词Javascript Android使用java脚本在webview中突出显示文本,javascript,android,webview,Javascript,Android,Webview,我使用webview呈现html文件，并使用java脚本突出显示html中的（Hello）单词 public class MyActivity extends Activity{ WebView myWebView; TextView myResult; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState){ super.o
public class MyActivity extends Activity{
WebView myWebView;
TextView myResult;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
myResult = (TextView)this.findViewById(R.id.myResult);
myWebView = (WebView)this.findViewById(R.id.myWebView);
myWebView.getSettings().setJavaScriptEnabled(true);
myWebView.loadUrl("file:///android_asset/index.html");
String txt="Hello";
myWebView.loadUrl("javascript:var text='"+ txt+ "';if (window.find) {document.designMode ='on';var sel = window.getSelection();sel.collapse(document.body, 0);while (window.find(text)) { document.execCommand('HiliteColor', false, 'red');sel.collapseToEnd();}document.designMode = 'off';} else if (document.body.createTextRange) { var textRange = document.body.createTextRange(); while (textRange.findText(text)) {textRange.execCommand('BackColor', false, 'red'); textRange.collapse(false);}}");
myWebView.addJavascriptInterface(new JavaScriptHandler(this), "MyHandler");
}
<html>
<head>
</head>
<body>
<h1>Hello World</h1>
</body>
</html>
你好，世界