mainscreen.java

j2me的打飞机的小程序

package GameTest;

import javax.microedition.lcdui.*;

public class MainScreen extends List implements CommandListener {
	private static Displayable instance;

	synchronized public static Displayable getInstance() {
		if (instance == null)
			instance = new MainScreen();
		return instance;
	}

	private MainScreen() {

		super("Game TEST", IMPLICIT);
		Command cmdOk = new Command("Select", Command.OK, 1);
		append("Start", null);
		append("Setting", null);
		append("CopyRight", null);
		append("HELP", null);
		append("Quit", null);
		// getFont(face, style, size);
		// this.setFont(1, Font.getFont(Font.FACE_PROPORTIONAL,
		// Font.STYLE_ITALIC,
		// Font.SIZE_LARGE));
		// List.IMPLICIT添加一个SELECT_COMMADN软键，可以进行增加和删除

		this.setSelectCommand(cmdOk);
		this.addCommand(cmdOk);
		setCommandListener(this);
	}

	public void commandAction(Command c, Displayable s) {
		String cmd = getString(getSelectedIndex());
		Navigator.flow(cmd);
	}
}