코드가 좀길텐데,, 오류는 밑에 빨간글씨해놓았습니다.
왜 저 부분이 빨간밑줄이 됬는지 이해가안갑니다..
저에게 도움부탁드립니다. ㅜㅜ


public class game_ing extends Activity {
 private GameThread m_GameThread;
 
 class GameThread extends Thread {
   private int             m_nDisplayWidth;    // 화면 가로 크기
      private int             m_nDisplayHeight;   // 화면 세로 크기
      private Bitmap          m_bmpBg;            // 배경
      private Bitmap          m_bmppig;           // 돼지
      private Bitmap          m_bmppig2;       // 돼지2
      private Bitmap          m_bmpcoin;         // 동전
      private SurfaceHolder   m_SurfaceHolder;
      public  boolean         m_bStop;

      public GameThread (SurfaceHolder surfaceholder, Context context){
             m_SurfaceHolder     = surfaceholder;
             Resources res       = context.getResources();

             // png 그림 이미지를 로딩
             m_bmpBg             = BitmapFactory.decodeResource(res,R.drawable.mainicon);
             m_bmppig            = BitmapFactory.decodeResource(res,R.drawable.pig1);
             m_bmppig2       = BitmapFactory.decodeResource(res,R.drawable.pig2);
             m_bmpcoin         = BitmapFactory.decodeResource(res,R.drawable.ten);

             // 화면의 가로, 세로 사이즈를 구함.
             Display display     =
                 ((WindowManager)context.getSystemService(context.WINDOW_SERVICE)).getDefaultDisplay();

             m_nDisplayWidth     = display.getWidth();
             m_nDisplayHeight    = display.getHeight();

             // 쓰레드가 작동하게 설정
             m_bStop             = false;
         }

         public void run(){
             while(!m_bStop){
                 Canvas canvas = null;
                 try {
                     canvas = m_SurfaceHolder.lockCanvas(null);
                     synchronized(m_SurfaceHolder){
                         Rect rcSrc  = new Rect();
                         Rect rcDest = new Rect();

                         rcSrc.set(0,0,470,498);
                         rcDest.set(0,0,m_nDisplayHeight,m_nDisplayHeight);

                         // 배경
                         canvas.drawBitmap(m_bmpBg       , rcSrc, rcDest, null);

                         // 돼지, 동전이미지
                         canvas.drawBitmap(m_bmppig      ,    50,     50, null);
                         canvas.drawBitmap(m_bmppig2  ,    80,     80, null);
                         canvas.drawBitmap(m_bmpcoin    ,   100,    100, null);

                         sleep(100);
                     }
                 }
                 catch (InterruptedException e){
                     e.printStackTrace();
                 }
                 finally{
                     if(canvas != null){
                         m_SurfaceHolder.unlockCanvasAndPost(canvas);
                     }
                 }
             }
         }
     }
  public game_ing(Context context, AttributeSet attrs) {
         super(context, attrs);
         // TODO Auto-generated constructor stub
         SurfaceHolder holder = getHolder();
         holder.addCallback(this);

         m_GameThread = new GameThread(holder, context);
     }

  public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) {
         // TODO Auto-generated method stub

     }

     public void surfaceCreated(SurfaceHolder arg0) {
         // TODO Auto-generated method stub

         m_GameThread.start();
     }

     public void surfaceDestroyed(SurfaceHolder arg0) {
         // TODO Auto-generated method stub

     }
 }