main.java

飞机游戏源码实例

package planegame;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
/**************************************************
*类功能介绍:主要屏幕用于控制显示启动封面及启动游戏
**************************************************/
public class main extends MIDlet implements CommandListener 
{
	private Display display=null;	
	private List mainList=null;
	private Command cmdQuit,cmdOk;
	public main()
	{
		String option[]={"继续","新开一局","最高分","帮助","关于"};
		mainList=new List("选项",List.IMPLICIT,option,null);
		display=Display.getDisplay(this);


		cmdQuit=new Command("退出",Command.EXIT,1);
		cmdOk=new Command("选择",Command.OK,2);
		mainList.addCommand(cmdQuit);
		mainList.addCommand(cmdOk);
		mainList.setCommandListener(this);


	}

	public void startApp()
	{
		display.setCurrent(new cover(this));    //显示封面两秒		
	}

	public void destroyApp(boolean unconditional)
	{
		mainList=null;
		display=null;

	}

	public void pauseApp()
	{

	}

	/**************************************************
	*功能介绍:返回到主界面
	*输入参数:
	*返回参数:
	**************************************************/
	public void goBack()
	{
		
		display.setCurrent(mainList); //显示主屏幕
	}

	public void commandAction(Command c,Displayable d)
	{
		if (c==cmdOk)
		{
			switch(mainList.getSelectedIndex())
			{
				case  0 :            //返回   
					break;
				case  1 :            //新开一局 

					display.setCurrent(new cortrol(this));
					break;
				case  2 :
					break;
				case  3 :
					break;
				case  4 :            //关于
					display.setCurrent(new about(this));
					break;

			}

		}

		if (c==cmdQuit)
		{
			destroyApp(true);
			notifyDestroyed();
		}
	}
};