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copied!<p>As Vijay, suggested this is one way that we could achieve this using inner class. The other approach could be, using design observer design patterns.</p> <p>Try understanding the below code, and use what ever is efficient for you. </p> <p><strong>MyScreen.java</strong></p> <pre><code>public class MyScreen extends MainScreen implements MyListener { MyScreen screen = null; public MyScreen() { screen = this; LabelField lblField = new LabelField(); lblField.setText("Current Value = " + currentValue); ButtonField btnPopup = new ButtonField("Show Popup"); btnPopup.setChangeListener(new FieldChangeListener() { public void fieldChanged(Field field, int context) { UiApplication.getUiApplication().pushScreen(new MyPopupScreen(screen)); } }); add(lblField); add(btnPopup); } public void valueChanged(int selectedIdx) { Dialog.alert(selectedIdx ); } } </code></pre> <p><strong>MyListener.java</strong></p> <pre><code>public interface MyListener { public void valueChanged(int selectedIdx); } </code></pre> <p><strong>MyPopupScreen.java</strong></p> <pre><code>public class MyPopupScreen extends PopupScreen implements FieldChangeListener { MyScreen deligate = null; public MyPopupScreen(final MyScreen deligate) { super(new VerticalFieldManager(VerticalFieldManager.VERTICAL_SCROLL|VerticalFieldManager.VERTICAL_SCROLLBAR), Field.FOCUSABLE); this.deligate = deligate; add(new LabelField("Select Type")); ButtonField closeBtn = new ButtonField("Close"); ButtonField okBtn = new ButtonField("OK"); add(okBtn); add(closeBtn); closeBtn.setChangeListener(new FieldChangeListener() { public void fieldChanged(Field field, int context) { UiApplication.getUiApplication().popScreen(UiApplication.getUiApplication().getActiveScreen()); } }); okBtn.setChangeListener(new FieldChangeListener() { public void fieldChanged(Field field, int context) { deligate.valueChanged(radioGroup.getSelectedIndex()); UiApplication.getUiApplication().popScreen(UiApplication.getUiApplication().getActiveScreen()); } }); } } </code></pre>

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