|
import javax.microedition.lcdui.Choice;
import javax.microedition.lcdui.ChoiceGroup;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.StringItem;
import javax.microedition.midlet.MIDlet;
public class J2MERadioButtons1 extends MIDlet implements CommandListener {
private Display display;
private Form form = new Form("Gender");
private Command exit = new Command("Exit", Command.EXIT, 1);
private Command process = new Command("Process", Command.SCREEN, 2);
private ChoiceGroup gender = new ChoiceGroup("Enter Gender", Choice.EXCLUSIVE);
private int currentIndex;
private int genderIndex;
public J2MERadioButtons1() {
display = Display.getDisplay(this);
gender.append("Female", null);
currentIndex = gender.append("Male ", null);
gender.setSelectedIndex(currentIndex, true);
genderIndex = form.append(gender);
form.addCommand(exit);
form.addCommand(process);
form.setCommandListener(this);
}
public void startApp() {
display.setCurrent(form);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command command, Displayable displayable) {
if (command == exit) {
destroyApp(false);
notifyDestroyed();
} else if (command == process) {
currentIndex = gender.getSelectedIndex();
StringItem message = new StringItem("Gender: ", gender.getString(currentIndex));
form.append(message);
form.delete(genderIndex);
form.removeCommand(process);
}
}
}
|
