Return a value from the pop-up screen
Long story short - I have a PopupScreen. This has two text boxes. What I want to do is to call a method on the original screen (the one that calls the popup), using these values in two text box.
The only thing I can't do is pass back the two field values. Ive tried to call the method. Even tried passing the screen in the popupscreens constructor.
private class goToMenuItem extends MenuItem { public goToMenuItem() { super( new StringProvider( "Test" ), 0, 0 ); } public void run() { CustomPopUpScreen cstmScreen = new CustomPopUpScreen(); UiApplication.getUiApplication().pushModalScreen(cstmScreen); } }
public class CustomPopUpScreen extends PopupScreen { BasicEditField T1; BasicEditField T2; public CustomPopUpScreen() { super(new VerticalFieldManager(CustomPopUpScreen.NO_HORIZONTAL_SCROLL)); BasicEditField T1= new BasicEditField( "T1: ", "", 20, BasicEditField.EDITABLE | BasicEditField.FILTER_REAL_NUMERIC); BasicEditField T2= new BasicEditField( "T2: ", "", 20, BasicEditField.EDITABLE | BasicEditField.FILTER_REAL_NUMERIC); ButtonField cancel = new ButtonField("Cancel"); ButtonField submit = new ButtonField("Go To"); add( T1); add( T2); add(submit); add(cancel); cancel.setChangeListener( new FieldChangeListener() { public void fieldChanged(Field arg0, int arg1) { close(); } }); submit.setChangeListener( new FieldChangeListener() { public void fieldChanged(Field arg0, int arg1) { GoTo(); close(); } }); } public void GoTo() { //GoTo(Double.parseDouble(T1.getText()),Double.parseDouble(T2.getText())); } }
Just to add a bit to the response of Simon.
"I want to do is call a method on the original screen.
OK, I have to ask, why do you do this? It doesn't seem very object ish.
If you want to call this method once the screen has been closed, then the approach you use (modal form) works, you need to get the values in the treatment of menu and then you can call the transformation of in the menu on the screen who has access to the treatment method.
Tags: BlackBerry Developers
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Did you mean say that or did you mean something like this:action_office LIKE 'E%'
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