uncaugh:IllegalArgumentException When I pop a Popupscreen custom?

public class queryPopScreen extends PopupScreen {
    private VerticalFieldManager contentmanager;
    private LabelField titleField;
    private Merchant merchant;
    private String titleString;
    public queryPopScreen(String titleString,Merchant merchant) {
        super(new VerticalFieldManager(NO_VERTICAL_SCROLL
                | NO_VERTICAL_SCROLLBAR),DEFAULT_CLOSE);
        this.titleString=titleString;
        this.merchant=merchant;
        Background background = BackgroundFactory
                .createSolidTransparentBackground(6908265, 0);
        setBackground(background);
        contentmanager =(VerticalFieldManager)getDelegate();
        titleField = new LabelField(titleString);
        contentmanager.add(titleField);
    }
}

It is the custom code of popupscreen. Pls help me to find the bad code here

I thank you very much.

Yes, the exception was thrown when you try to call popScreen(). I think you try to exit a screen which is not available in the stack screen UIApplication ie., without pushing the screen (by calling pushscreen()), you try to pop (by calling popscreen())

Tags: BlackBerry Developers

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