helloworld.java

来自「j2me無線學習源碼,一個無線連接的源碼,很有用的哦」· Java 代码 · 共 41 行

//HelloWorld.java file
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

public class HelloWorld extends MIDlet implements CommandListener
{

    private Command exitCommand;
    private TextBox tb;
    public HelloWorld()
    {
        exitCommand =new Command("Exit",Command.EXIT,1);
        tb =new TextBox("Hello MIDlet","Hello,World!",15,0);
        tb.addCommand(exitCommand);
        tb.setCommandListener(this);
    }
    protected void startApp(  ) throws MIDletStateChangeException
    {
        Display.getDisplay(this).setCurrent(tb);
        System.out.println("startApp");
    }

    protected void pauseApp(  )
    {
        System.out.println("pauseApp");
    }

    protected void destroyApp( boolean p1 )
    {
        System.out.println("destroyApp");
    }

    public void commandAction(Command c,Displayable d)
    {
        if (c ==exitCommand)
        {
            destroyApp(false);
            notifyDestroyed();
        }
    }
}