// 在onCreate()中开启线程

    new Thread(new GameThread()).start();、

 

    // 实例化一个handler

    Handler myHandler  = new Handler()

    {

       //接收到消息后处理

       public void handleMessage(Message msg)

       {

           switch (msg.what)

           {

           case Activity01.REFRESH:

              mGameView.invalidate();    //刷新界面

              break;

           }

           super.handleMessage(msg);

       }         

    };

 

    class GameThread implements Runnable

    {

       public void run()

       {

           while (!Thread.currentThread().isInterrupted())

           {

              Message message = new Message();

              message.what = Activity01.REFRESH;

              //发送消息

              Activity01.this.myHandler.sendMessage(message);

              try

              {

                  Thread.sleep(100);

              }

              catch (InterruptedException e)

              {

                  Thread.currentThread().interrupt();

              }

           }

       }

    }

 class GameThread implements Runnable

    {

       public void run()

       {

           while (!Thread.currentThread().isInterrupted())

           {

              try

              {

                  Thread.sleep(100);

              }

              catch (InterruptedException e)

              {

                  Thread.currentThread().interrupt();

              }

              //使用postInvalidate可以直接在线程中更新界面

              mGameView.postInvalidate();

           }

       }

    }