private void setRotateImageView_operate() {
    RelativeLayout.LayoutParams params =
        (android.widget.RelativeLayout.LayoutParams) playerOperate.getLayoutParams();
    Bitmap bm =
        ((BitmapDrawable) (getResources().getDrawable(R.drawable.player_start01))).getBitmap();
    params.height = bm.getHeight();
    params.width = bm.getWidth();
    float density = BoxManagerUtils.getScreenDensity(context);
    if (density > 1.5) {
      params.topMargin = 60;
    }
    playerOperate.setLayoutParams(params);
    playerOperate.setBitmap(bm);
    if (density <= 1.5) {
      playerOperate.setMaxDegrees(30);
    } else {
      playerOperate.setMaxDegrees(42);
    }

    playerOperate.setRoundRadiuX(0.7963);
    playerOperate.setRoundRadiuY(0.2045);
    playerOperate.invalidate();
  }