setRunning symbol not found

gistfile1.java

  class EscapeThread extends Thread {
    public SurfaceHolder surfaceHolder;
    public Context context;
    private boolean running;

    public EscapeThread(SurfaceHolder holder, Context cont) {
      this.surfaceHolder = holder;
      this.context = cont;
      this.running = false;
    }

    public void setRunning(boolean b) {
      this.running = b;
    }

    private void doDraw(Canvas canvas) {
//      Paint paint = new Paint();
//      paint.setAntiAlias(true);
//      paint.setARGB(255, 0, 255, 0);
//
//      RectF rect = new RectF(100, 100, 100, 100);
//
//      canvas.drawRect(rect, paint);
    }

    @Override
    public void run() {
      while (running) {
        Canvas c = null;
        try {
          c = surfaceHolder.lockCanvas(null);
          synchronized (surfaceHolder) {
            doDraw(c);
          }
        } finally {
          if (c != null) {
            surfaceHolder.unlockCanvasAndPost(c);
          }
        }
      }
    }
  }