Accessing Commands : Event Command « J2ME « Java

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Java » J2ME » Event CommandScreenshots 
Accessing Commands
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();
    }
  }
}


           
       
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