ErrorDialog.java

package com.interchangegroup.panicalarm.ui;

import com.interchangegroup.panicalarm.PanicAlarm;

import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.UiEngine;
import net.rim.device.api.ui.component.ButtonField;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.container.PopupScreen;
import net.rim.device.api.ui.container.VerticalFieldManager;

public class ErrorDialog extends PopupScreen {

    ButtonField okButton;
    VerticalFieldManager vfm;

    public ErrorDialog(){
        super(new VerticalFieldManager(VerticalFieldManager.VERTICAL_SCROLL
                | VerticalFieldManager.VERTICAL_SCROLLBAR));
        LabelField label = new LabelField("Please call Argyll Help Center for assistance.", Field.FIELD_HCENTER);
        okButton = new ButtonField("OK", ButtonField.FIELD_HCENTER | ButtonField.CONSUME_CLICK);
        okButton.setChangeListener(listener);
        vfm.add(label);
        vfm.add(okButton);
        add(vfm);
    }

    public void show(){
        if (this.isDisplayed()) {
            UiApplication.getUiApplication().popScreen(this);
        }
        UiApplication.getUiApplication().pushGlobalScreen(this, 500,
                UiEngine.GLOBAL_MODAL);
    }

    FieldChangeListener listener = new FieldChangeListener() {

        public void fieldChanged(Field field, int context) {
            System.exit(0);
        }
    };
}