planegamecanvas.java~1~

一款益智类的手机游戏

package twplanegame;

import javax.microedition.lcdui.*;

public class PlaneGameCanvas extends Canvas {
  /** Constructor */
  public PlaneGameCanvas() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  /**Component initialization*/
  private void jbInit() throws Exception {
    // Set up this Displayable to listen to command events
    setCommandListener(new PlaneGameCanvas_CommandAdapter(this));
    // add the Exit command
    addCommand(new Command("Exit", Command.EXIT, 1));
  }

  /**Handle command events*/
  public void this_commandPerformed(Command command, Displayable displayable) {
    /** @todo Add command handling code */
    if (command.getCommandType() == Command.EXIT) {
// stop the MIDlet
      PlaneGameMIDlet.quitApp();
    }
  }

  /** Required paint implementation */
  protected void paint(Graphics g) {
    /** @todo Add paint codes */
  }

}

class PlaneGameCanvas_CommandAdapter implements CommandListener {
  private PlaneGameCanvas instance;
  public PlaneGameCanvas_CommandAdapter(PlaneGameCanvas instance) {
    this.instance = instance;
  }

  public void commandAction(Command command, Displayable displayable) {
    instance.this_commandPerformed(command, displayable);
  }
}