Anti-pop help

I am trying to create a ' back' button that will pop the screen current and the first screen under it in the stack. I learned how to pushScreens (thanks guys!) and I assumed anti-pop would work pretty much the same way. Could someone please point what is wrong with this code, could not find it in my books thank you! Oh and eclipse says 'this' inside the square brackets is the problem

ButtonField backBut = new ButtonField ("Back", Field.FIELD_HCENTER) {}
protected boolean trackwheelClick (int status, int time) {}
           
UiApplication.getUiApplication () .popScreen (this);
Returns true;
}
};

additional code

Hi question man... popup on the current screen try the following code...

It does not work... If any problem answer me...

UiApplication.getUiApplication () .popScreen (Ui.getUiEngine () .getActiveScreen ());

Tags: BlackBerry Developers

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