jquerymobile 1.2 google map full screen problem

jquerymobile 1.2 google map full screen problem

Hello,
i use google maps in jquerymobile. after upgrade to jqm 1.2 , maps not shown in full screen.(in mobile & desktop browsers). But when i resize browser window, it turns into full screen(that i want at first screen opened).
i search problem in internet and try most of them but none of them helpful for me.

What is you suggestions?

<!-- Map <<< --> 
<div data-role="page" id="map" data-add-back-btn="true" data-fullscreen="true" style="width:100%; height:100%;">
    <div data-role="header" data-position="fixed">                
        <h1 id="mapHeader">Konum</h1>                
        <a href="#menu"  data-role="button" data-icon="grid" class="ui-btn-right" data-theme="e" >Menu</a>                  
    </div>
    <div data-role="content" id="map_content" style="width:100%; height:100%; padding:0;">             
        <!--<div id="map_canvas" style="position:absolute; width:100%; height:100%; min-height:100%;"></div>-->
        <div id="map_canvas" style="position:absolute; width:1024px; height:768px; min-height:100%;"></div>
        <!--<div data-role="content" id="map_content" style="padding: 0px; width: 100%; height: 100%;overflow: hidden;">                
            <div id="map_canvas" style="width: 100%; height: 100%;padding: 0; text-shadow: none"></div>-->                                               
    </div>          
</div>
<!-- >>> Map -->