Accessing Commands : Event Command « J2ME « Java
Accessing Commands
/*--------------------------------------------------
* AccessingCommands.java
*
* Example from the book: Core J2ME Technology
* Copyright John W. Muchow http://www.CoreJ2ME.com
* You may use/modify for any non-commercial purpose
*-------------------------------------------------*/
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class AccessingCommands extends MIDlet implements CommandListener
{
private Display display; // Reference to Display object
private Form fmMain; // A Form
private Command cmExit; // A Command to exit the MIDlet
public AccessingCommands()
{
display = Display.getDisplay(this);
cmExit = new Command("Exit", Command.EXIT, 1);
fmMain = new Form("Core J2ME");
fmMain.addCommand(cmExit);
fmMain.setCommandListener(this);
}
// Called by application manager to start the MIDlet.
public void startApp()
{
display.setCurrent(fmMain);
}
// A required method
public void pauseApp()
{ }
// A required method
public void destroyApp(boolean unconditional)
{ }
// Check to see if our Exit command was selected
public void commandAction(Command c, Displayable s)
{
if (c == cmExit)
{
destroyApp(false);
notifyDestroyed();
}
}
}
