docs: public static int getId(Context context, String id, String defType) {
          String type = "R." + defType + ".";
          if (id.startsWith(type)) {
              id = id.substring(type.length());
          }
  
          Resources r = context.getResources();
          int resId = r.getIdentifier(id, defType,
                  context.getPackageName());
          if (resId > 0) {
              return resId;
          } else {
              throw new RuntimeAssertion("Specified resource '%s' could not be found", id);
          }
      }