lighthousemidlet.java

手机多玩家游戏

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class LighthouseMIDlet extends MIDlet implements CommandListener {
  private Form         initForm;
  private ChoiceGroup  choices;
  private LHCanvas     gameCanvas;

  public void startApp() {
    // Create the Init form
    initForm = new Form("Connect 4");

    // Add the peer choice group
    String[] peerNames = { "Server", "Client" };
    choices = new ChoiceGroup("Please select peer type:", Choice.EXCLUSIVE, peerNames, null);
    initForm.append(choices);

    // Add the Exit and Play commands
    Command exitCommand = new Command("Exit", Command.EXIT, 0);
    initForm.addCommand(exitCommand);
    Command playCommand = new Command("Play", Command.OK, 0);
    initForm.addCommand(playCommand);
    initForm.setCommandListener(this);

    // Set the form as the current screen
    Display.getDisplay(this).setCurrent(initForm);
  }
  
  public void pauseApp() {}
  
  public void destroyApp(boolean unconditional) {
    gameCanvas.stop();
  }

  public void commandAction(Command c, Displayable s) {
    if (c.getCommandType() == Command.EXIT) {
      destroyApp(true);
      notifyDestroyed();
    }
    else if (c.getCommandType() == Command.OK) {
      // Find out which type of peer connection is being used
      String name = choices.getString(choices.getSelectedIndex());

      // Create the game canvas
      if (gameCanvas == null) {
        gameCanvas = new LHCanvas(Display.getDisplay(this), name);
        Command exitCommand = new Command("Exit", Command.EXIT, 0);
        gameCanvas.addCommand(exitCommand);
        gameCanvas.setCommandListener(this);
      }
    
      // Start up the gameCanvas
      gameCanvas.start();
    }
  }
}