Les dejo un pequeño programita elaborado el cual imprime “Hola Mundo!!” en la pantalla del celular.
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
/**
* @author luigi
*/
public class Midlet_P1 extends MIDlet implements CommandListener{
//Caja de Texto
private TextBox Hello_Textbox;
//Comando
private Command Exit_Command;
//Constructor
public void Midlet_P1(){
}
private Command get_exitCommand(){
if (Exit_Command == null){
Exit_Command = new Command(“Exit”, Command.EXIT,1);
}
return Exit_Command;
}
public void commandAction (Command command,Displayable displayable){
if (displayable == Hello_Textbox){
if (command == Exit_Command){
Display.getDisplay(this).setCurrent(null);
destroyApp(true);
notifyDestroyed();
}
}
}
private TextBox get_Hello_TextBox() {
if (Hello_Textbox == null) {
Hello_Textbox = new TextBox(null, “Hola Mundo!!”, 120, TextField.ANY);
Hello_Textbox.addCommand(get_exitCommand());
Hello_Textbox.setCommandListener(this);
}
return Hello_Textbox;
}
public void startApp() {
Display.getDisplay(this).setCurrent(get_Hello_TextBox());
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
}
Etiquetas: J2ME, Java, Programación
