/**
 * Get Mini Program and Mini Game Categories
 *
 * @param containsEmptyCate Whether to include empty categories
 */
public static void getAllCategories(boolean containsEmptyCate, MiniCallback<List<MiniAppCategory>> callback)

/**
 * Get Mini Program and Mini Game Categories
 *
 * @param containsEmptyCate Whether to include empty categories
 * @param engineType        MiniApp: Only get mini program categories
 *                          MiniGame: Only get mini game categories
 *                          Unspecified: Get mini program and mini game categories
 */
public static void getAllCategories(boolean containsEmptyCate, MiniEngineType engineType, MiniCallback<List<MiniAppCategory>> callback)

public interface MiniCallback<List<MiniAppCategory>> {
    /**
     * callback
     * @param code   Error code; 0 indicates success.
     * @param msg    Error message.
     * @param data   Category list.
     */
    void value(int code, String msg, List<MiniAppCategory> data);
}

public class MiniAppCategory {
    /**
     * first category
     */
    public String firstCategory;

    /**
     * secondary category
     */
    public String[] secondaryCategories;

// Get mini program and mini game categories
TmfMiniSDK.getAllCategories(true, new MiniCallback<List<MiniAppCategory>>() {
    @Override
    public void value(int code, String msg, List<MiniAppCategory> categories) {
        if (code != 0 || categories == null) {
            Log.e("Category", "Failed to get categories: [" + code + "] " + msg);
            return;
        }

        for (MiniAppCategory category : categories) {
            // First-level category name
            String categoryName = category.firstCategory;
            Log.d("Category", "Category: " + categoryName);

            // Second-level category names
            if (category.secondaryCategories != null) {
                for (String subName : category.secondaryCategories) {
                    Log.d("Category", "  Sub-category: " + subName);
                }
            }
        }
    }
});

// Only get mini game categories
TmfMiniSDK.getAllCategories(true, MiniEngineType.MiniGame, new MiniCallback<List<MiniAppCategory>>() {
      @Override
      public void value(int code, String msg, List<MiniAppCategory> categories) {
          if (code != 0 || categories == null) {
              Log.e("Category", "Failed: [" + code + "] " + msg);
              return;
          }

          for (MiniAppCategory category : categories) {
              Log.d("Category", "Category: " + category.firstCategory);

              if (category.secondaryCategories != null) {
                  for (String subName : category.secondaryCategories) {
                      Log.d("Category", "  Sub-category: " + subName);
                  }
              }
          }
      }
  });