Can you double-check in the web browser on your Android device that your web site is listening on port 4000 - it seems to be listening on port 80 (the default port for HTTP).
When I visit your web site on the default port e.g. http://pickalize.info/ then I get a web page that includes a list of URLs. Note: http://pickalize.info:80/ is equivalent to above and loads the same web page I see without the port number in the URL.
The page has the following text:
Pickalize
Iphone Apps
Profile
Others
RSS
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I get similar content in a mini Android app I just created that uses your sample code. To make sure it copes with port numbers in the URL I made the following minor change:
webView.loadUrl("http://pickalize.info:80/");
However when I try to visit your web site using port 4000 I get a message telling me the web site is not available. I have tried from my Android device and my laptop. There doesn't appear to be a site listening / hosted on port 4000; there does seem to be a site on port 80.
Please double-check your site is being hosted on port 4000 and that you can reach it from a computer that's using the internet to connect to the site (in case there are router or firewall restrictions that block traffic to port 4000).
PS: The web page on port 80 has minimal javascript, from view source in my laptop web browser, this is what I can see
<script src="/static/js/rainbow.js"></script>
<script src="/static/js/languages/javascript.js"></script>
<script src="/static/js/languages/generic.js"></script>
<script src="/static/js/languages/python.js"></script>
<!--google analytics-->
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-15508754-4']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
// google feed
google.load("feeds","1");
var init = function(){
};
google.setOnLoadCallback(init);
</script>