while processing load image
<p>I call a javascript function and while waiting the return result i want to load an animation image (like: please waiting...).</p>

<pre><code>//step1. call javascript
 NSString *resultMess = [webView stringByEvaluatingJavaScriptFromString:_scriptMethod];

//step2. want to load animation while waiting

//step3. after finish -&gt; send alert
</code></pre>

<p>.
How can I do stept2 and step3 ?</p>

<p>Thank you so much.</p>
