code: @Override
      public void load(Callback<Void> callback, Class[] loadClasses) {
          boolean doNotLoad = false;
          for (Class clazzes : loadClasses) {
              try {
                  Class.forName(clazzes.getName());
              } catch (ClassNotFoundException e) {
                  callback.onFailure(e);
                  doNotLoad = true;
              }
          }
          if (!doNotLoad) {
              doLoad(callback);
          }
      }
docs: Load classes then perform load native library.