Box state to read option after another event of the listener

I know that it is something very simple, but I'm still a little fuzzy on the scope of the fields & methods.  I want to read the State of a radio button after another event to the listener.  I did a work around, but I don't know that there is a much better way.

Code:

/ public final class SelectionScreen extends screen
{
public boolean selected;
 
public SelectionScreen()
{
Initialize and configure the title bar
Super (MainScreen.VERTICAL_SCROLL |) MainScreen.VERTICAL_SCROLLBAR);
setTitle ("choice screen");
            
create and add radio buttons for the selection of the screen
RadioButtonGroup screenGroup = new RadioButtonGroup();
RadioButtonField screen1Field is new RadioButtonField (Goto screen '1', screenGroup, true, RadioButtonField.FIELD_RIGHT);.
RadioButtonField screen2Field = new RadioButtonField ("Gogo screen 2", screenGroup, false, RadioButtonField.FIELD_RIGHT);
Add (screen1Field);
Add (screen2Field);
    
I would like to remove this code...
selected = screen1Field.isSelected ();
    
screen1Field.setChangeListener (new FieldChangeListener() {}
{} public fieldChanged no (field arg0, int arg1)
selected =! selected;
}
} );
down here and use the isSelected inside the button1Press() method
           
ButtonField buttonField_1 = new ButtonField ('Next', ButtonField.CONSUME_CLICK |) ButtonField.FIELD_HCENTER);
Add (buttonField_1);
                  
buttonField_1.setChangeListener (new FieldChangeListener() {}
{} public fieldChanged no (field arg0, int arg1)
button1Press();
}
} );
}
  
private void button1Press() {}
I would use the next line here
If {(screen1Field.isSelected ())}
If {(selected)
Dialog.Alert ("goes to screen 1");
} else {}
Dialog.Alert ("goes to screen 2");
}
}
}

Just make your RadioButtonFields of the private members of your class so that you can access them from anywhere within the class. That is to say:

private RadioButtonField screen1Field;

public SelectionScreen()
{
Initialize and configure the title bar
Super (MainScreen.VERTICAL_SCROLL |) MainScreen.VERTICAL_SCROLLBAR);
setTitle ("choice screen");
            
create and add radio buttons for the selection of the screen
RadioButtonGroup screenGroup = new RadioButtonGroup();
  screen1Field is new RadioButtonField (Goto screen '1', screenGroup, true, RadioButtonField.FIELD_RIGHT);.

.........

Tags: BlackBerry Developers

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