docs: @NonNull
      public IconicsDrawable icon(@NonNull String icon) {
          try {
              ITypeface font = Iconics.findFont(mContext, icon.substring(0, 3));
              icon = icon.replace("-", "_");
              icon(font.getIcon(icon));
          } catch (Exception ex) {
              Log.e(Iconics.TAG, "Wrong icon name: " + icon);
          }
          return this;
      }