FirstChoiceGroup

FirstChoiceGroup.java

import javax.microedition.midlet.*; import javax.microedition.lcdui.*; public class FirstChoiceGroup extends MIDlet implements CommandListener {  Display display;  FirstChoiceGroupForm form;   List list;  Command cmExit;  public FirstChoiceGroup() {   display = Display.getDisplay(this);  }  public void startApp() {   list = new List("First ChoiceGroup", List.IMPLICIT);   list.append("EXCLUSIVE", null);   list.append("MULTIPLE", null);   list.append("POPUP", null);   list.append("TEXT WRAP OFF", null);   list.append("TEXT WRAP ON", null);      cmExit = new Command("Keluar", Command.EXIT, 1);   list.addCommand(cmExit);   list.setCommandListener(this);   display.setCurrent(list);  }  public void pauseApp() {  }  public void destroyApp(boolean unconditional) {  }  public void exitMIDlet() {   destroyApp(false);   notifyDestroyed();  }  public void commandAction(Command c, Displayable s){   if (c == List.SELECT_COMMAND){   switch (list.getSelectedIndex()){   case 0:     form = new FirstChoiceGroupForm(this, display, 0);    display.setCurrent(form);   break;   case 1:   form = new FirstChoiceGroupForm(this, display, 1);    display.setCurrent(form);   break;   case 2:   form = new FirstChoiceGroupForm(this, display, 2);    display.setCurrent(form);   break;   case 3:   form = new FirstChoiceGroupForm(this, display, 3);    display.setCurrent(form);   break;   case 4:   form = new FirstChoiceGroupForm(this, display, 4);    display.setCurrent(form);   break;   }   }else if(c == cmExit){   exitMIDlet();   }  } };

FirstChoiceGroupForm.java

import javax.microedition.lcdui.*; class FirstChoiceGroupForm extends Form implements CommandListener {  private Display display;   private Command cmBack, cmExit;   private FirstChoiceGroup midlet;  private ChoiceGroup cgEx, cgMu, cgPo, cgTf, cgTn;  public FirstChoiceGroupForm(FirstChoiceGroup midlet, Display display, int choice) {   super("First ChoiceGroup");   this.display = display;   this.midlet = midlet;   switch (choice){   case 0:     cgEx = new ChoiceGroup("EXCLUSIVE", Choice.EXCLUSIVE);   cgEx.append("string 1", null);   cgEx.append("string 2", null);   cgEx.append("string 3", null);   append(cgEx);   break;   case 1:     cgMu = new ChoiceGroup("MULTIPLE", Choice.MULTIPLE);   cgMu.append("string 1", null);   cgMu.append("string 2", null);   cgMu.append("string 3", null);   append(cgMu);   break;   case 2:     cgPo = new ChoiceGroup("POPUP", Choice.POPUP);   cgPo.append("string 1", null);   cgPo.append("string 2", null);   cgPo.append("string 3", null);   append(cgPo);   break;   case 3:     cgTf = new ChoiceGroup("TEXT WRAP OFF", Choice.TEXT_WRAP_OFF);   cgTf.append("text wrap off striiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiing 1", null);   cgTf.append("text wrap off striiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiing 2", null);   cgTf.append("text wrap off striiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiing 3", null);   append(cgTf);   break;   case 4:     cgTn = new ChoiceGroup("TEXT WRAP ON", Choice.TEXT_WRAP_ON);   cgTn.append("text wrap on striiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiing 1", null);   cgTn.append("text wrap on striiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiing 2", null);   cgTn.append("text wrap on striiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiing 3", null);   append(cgTn);   break;   }   cmBack = new Command("Kembali", Command.BACK, 1);   addCommand(cmBack);     cmExit = new Command("Keluar", Command.EXIT, 1);   addCommand(cmExit);   setCommandListener(this);  }  public void commandAction(Command c, Displayable s){   if (c == cmBack) {   display.setCurrent(midlet.list);   }else if (c == cmExit) {   midlet.exitMIDlet();   }  } }

Simple Alert with Image and Default Warning Sound

FirstAlert.java

import javax.microedition.midlet.*; import javax.microedition.lcdui.*; public class FirstAlert extends MIDlet implements CommandListener{  Display display;  List list;  Image img;  Alert alAl, alCo, alEr, alIn, alWa;  Command cmExit;  public FirstAlert() {   display = Display.getDisplay(this);   try {   img = Image.createImage("/img.png");   } catch (java.io.IOException e) {   }   cmExit = new Command("Exit", Command.EXIT, 1);   list = new List("First Alert", List.IMPLICIT);   list.append("ALARM", img);   list.append("CONFIRMATION", img);   list.append("ERROR", img);   list.append("INFO", img);   list.append("WARNING", img);   list.addCommand(cmExit);   list.setCommandListener(this);   display.setCurrent(list);   alAl = new Alert("ALARM", "Alert ALARM", null, AlertType.ALARM);   alAl.setTimeout(Alert.FOREVER);   alCo = new Alert("CONFIRMATION", "Alert CONFIRMATION", null, AlertType.CONFIRMATION);   alCo.setTimeout(Alert.FOREVER);   alEr = new Alert("ERROR", "Alert ERROR", null, AlertType.ERROR);   alEr.setTimeout(Alert.FOREVER);   alIn = new Alert("INFO", "Alert INFO", null, AlertType.INFO);   alIn.setTimeout(Alert.FOREVER);   alWa = new Alert("WARNING", "Alert WARNING", null, AlertType.WARNING);   alWa.setTimeout(Alert.FOREVER);  }  public void startApp() {  }  public void pauseApp() {  }  public void destroyApp(boolean unconditional) {  }  public void commandAction(Command c, Displayable s){   if (c == List.SELECT_COMMAND){   switch (list.getSelectedIndex()){   case 0:   display.setCurrent(alAl);   break;   case 1:   display.setCurrent(alCo, list);   break;   case 2:   display.setCurrent(alEr);   break;   case 3:   display.setCurrent(alIn, list);   break;   case 4:   display.setCurrent(alWa);   break;   }   }else if(c == cmExit){   exitMIDlet();   }  }  public void exitMIDlet() {   destroyApp(false);   notifyDestroyed();  } };

This project requires an image with the name "img.png" with size 15 x 15 pixels