You can try this:
HTML block:
<div id="comic-1">
<img id="image" src="http://www.w3schools.com/jsref/compman.gif" width="107" height="98">
<img id="smile" src="http://www.w3schools.com/tags/smiley.gif" width="107" height="98">
</div>
Accessing it:
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl(URL);
webView.setWebViewClient(new WebViewClient(){
@Override
public void onPageFinished(WebView webView, String url)
{
webView.loadUrl("javascript:var s = document.getElementById('smile').src;document.write(s);");
}
});
Going by the example shown above, this will write the image source in the document.
[EDIT]
var parent = document.getElementById("comic-1");
var child = parent.getElementsByTagName("img");
document.write(" image 1 = " + child[0].src + " image 2 = " + child[1].src);