Why i can't get the List's Index

Question

why I can't get the List's Index?Why I can't get the Command Action?
below is the code.many thanks!
import javax.microedition.lcdui.* ;
import java.util.*;
public class SelectCusScreen extends List implements CommandListener {
    public SelectCusScreen(Vector v) {
        super("people",Choice.EXCLUSIVE) ;
        Enumeration enumer = v.elements() ;
        while(enumer.hasMoreElements()) {
            //Adds an item consisting of one String to the Form
            append((String)enumer.nextElement(),null);
            //System.out.println(((String)enumer.nextElement()));
         addCommand(new Command("OK",Command.OK,1));
         setCommandListener(this);
    public void commandAction(Command c,Displayable s) {
        String cmd = getString(getSelectedIndex()) ;
        if(cmd.equals("OK")) {           
             List l = (List) s ;
            int i = l.getSelectedIndex() ;
            System.out.println("something");
            String con = l.getString(i) ;
            System.out.println("your choise"+con);
}[

Answer 1

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