ShowInfoFragment.java

        mRatingView = view.findViewById(R.id.rating_view);
        mRatingClip = (ClipDrawable) mRatingView.getBackground();

        BitmapDrawable star = (BitmapDrawable) getResources().getDrawable(R.drawable.ic_fab_star);
        Bitmap bitmap = star.getBitmap();
        int side = bitmap.getHeight();
        ViewGroup.LayoutParams lp = mRatingView.getLayoutParams();
        lp.width = side * 10;
        lp.height = side;

        /* 
           ratingLevel is [0; 10]
           ClipDrawable takes values from [0; 10e3]
         */
        float ratingRound = Math.round(ratingLevel / 0.5) * 0.5f;
        mRatingClip.setLevel((int) (1000 * ratingRound));