Android 游戏开发 View框架(2)

package com.yarin.Android.TestOnView;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.KeyEvent;
import android.view.MotionEvent;

public class ControlView extends Activity
{
    private static final int    REFRESH        = 0x000001;
  
  
    private GameView            mGameView    = null;

    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);

        this.mGameView = new GameView(this);

// 设置显示为我们自定义的View(GameView)
        setContentView(mGameView);

// 开启线程
        new Thread(new GameThread()).start();
    }

Handler    myHandler    = new Handler()
    {
        //接收到消息后处理
        public void handleMessage(Message msg)
        {
            switch (msg.what)
            {
            case ControlView.REFRESH:
                mGameView.invalidate();
                break;
            }
            super.handleMessage(msg);
        }          
    };

class GameThread implements Runnable
    {
        public void run()
        {
            while (!Thread.currentThread().isInterrupted())
            {
                Message message = new Message();
                message.what = ControlView.REFRESH;
                //发送消息
                Activity01.this.myHandler.sendMessage(message);
                try
                {
                    Thread.sleep(100);
                }
                catch (InterruptedException e)
                {
                    Thread.currentThread().interrupt();
                }
            }
        }
    }
  
    //当然这些事件也可以写在GameView中
    //触笔事件
    public boolean onTouchEvent(MotionEvent event)
    {
        return true;
    }
  
    //按键按下事件
    public boolean onKeyDown(int keyCode, KeyEvent event)
    {
        return true;
    }
  
    //按键弹起事件
    public boolean onKeyUp(int keyCode, KeyEvent event)
    {
        switch (keyCode)
        {
        //上方向键
        case KeyEvent.KEYCODE_DPAD_UP:
            mGameView.y-=3;
            break;
        //下方向键
        case KeyEvent.KEYCODE_DPAD_DOWN:
            mGameView.y+=3;
            break;
        }
        return false;
    }
  
    public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event)
    {
        return true;
    }
}