Custom Style

gistfile1.xml

  <activities>
            <activity android:screenOrientation="portrait"
                android:theme="@style/FullHeightDialog" url="Sections/quetiondialog.js"/>
  </activities>

launch.js

var intent = Ti.Android.createIntent({
	        url: 'Sections/quetiondialog.js'

});

intent.putExtra('fullscreen', false);
intent.putExtra('navBarHidden', true);
intent.putExtra('modal', true);
var activity =Ti.Android.currentActivity; 
activity.startActivity(intent);

quetiondialog.js

var win = Ti.UI.currentWindow;

var mapview = Ti.Map.createView({
  mapType: Ti.Map.STANDARD_TYPE,
  animate:true,
  regionFit:true,
  userLocation:false
});

win.add(mapview);