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Looking for mobile web app map control that can handle layer redraw with good performance

I want to develop mobile web app to track GPS coords in real time (refresh every 10 seconds) from geoserver. Currently I have desktop site I wrote in ExtJS 4 and it works pretty well (Openlayers + ...
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2k views

GeoExt (ExtJS + OpenLayers) not displaying Google Map

I've just started exploring GeoExt. It displays all the map controls, Google Logo and "Terms of Use". But the map is not rendered. I'm using firebug, and no JavaScript errors are generated. I'm using ...