Ребят, как правильно создать объект ChoiceGroup? Вот у меня код:
| Java |
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| import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class MainClassChoiceGroup extends MIDlet implements CommandListener
{
private Command exitMidlet = new Command("Выход", Command.EXIT, 0);
private Command vibor = new Command("Выбрать", Command.SCREEN, 1);
private Command vozvrat = new Command("Назад", Command.BACK, 0);
private ChoiceGroup groupPopup;
private Form myform;
private Display mydisplay;
public MainClassChoiceGroup()
{
mydisplay = Display.getDisplay(this);
}
private String[] mygroup = {"Флаг 0", "Флаг 1", "Флаг 2", "Флаг 3"};
public void startApp()
{
groupPopup = new ChoiceGroup("Группа Popup", ChoiceGroup.POPUP, mygroup, null);
myform = new Form("Встроенный ChoiceGroup");
myform.append(groupPopup);
myform.addCommand(exitMidlet);
myform.addCommand(vibor);
myform.setCommandListener(this);
mydisplay.setCurrent(myform);
}
public void pauseApp(){}
public void destroyApp(boolean unconditional){}
public void commandAction(Command c, Displayable d)
{
if(c==exitMidlet)
{
destroyApp(false);
notifyDestroyed();
}
if(c==vozvrat)
{
mydisplay.setCurrent(myform);
}
if(c==vibor)
{
int i = groupPopup.getSelectedIndex();
if(i==0)
{
Form formPopup = new Form("Это formPopup"+mygroup[0]);
formPopup.append(mygroup[0]);
formPopup.addCommand(vozvrat);
formPopup.addCommand(exitMidlet);
formPopup.setCommandListener(this);
mydisplay.setCurrent(formPopup);
}
if(i==1)
{
Form formPopup = new Form("Это formPopup"+mygroup[1]);
formPopup.addCommand(vozvrat);
formPopup.append(mygroup[1]);
formPopup.addCommand(exitMidlet);
formPopup.setCommandListener(this);
mydisplay.setCurrent(formPopup);
}
if(i==2)
{
Form formPopup = new Form("Это formPopup"+mygroup[2]);
formPopup.append(mygroup[2]);
formPopup.addCommand(vozvrat);
formPopup.addCommand(exitMidlet);
formPopup.setCommandListener(this);
mydisplay.setCurrent(formPopup);
}
if(i==3)
{
Form formPopup = new Form("Это formPopup"+mygroup[3]);
formPopup.append(mygroup[3]);
formPopup.addCommand(vozvrat);
formPopup.addCommand(exitMidlet);
formPopup.setCommandListener(this);
mydisplay.setCurrent(formPopup);
}
}
}
} |
|
Wireless Toolkit 2.5.2 ругается:
Project settings saved
Building "Project_ChoiceGroup"
C:\Users\ofenod\j2mewtk\2.5.2\apps\Project_ChoiceGroup\src\MainClassChoiceGroup. java:22: error: cannot find symbol
groupPopup = new ChoiceGroup("Группа Popup", ChoiceGroup.POPUP, mygroup, null);
^
symbol: variable POPUP
location: class ChoiceGroup
C:\Users\ofenod\j2mewtk\2.5.2\apps\Project_ChoiceGroup\src\MainClassChoiceGroup. java:22: error: internal error; cannot instantiate ChoiceGroup(String,int,String[],Image[]) at ChoiceGroup to ()
groupPopup = new ChoiceGroup("Группа Popup", ChoiceGroup.POPUP, mygroup, null);
^
2 errors
com.sun.kvem.ktools.ExecutionException
Build failed
(
