import 'dart:async'; import 'dart:convert'; import 'package:flutter/services.dart'; class GetImagesList { GetImagesList(); List<String> _availableImages = []; init() async { await imagesFromLocalFile(); } Future<void> imagesFromLocalFile() async { String jsonString; try { jsonString = await rootBundle.loadString('assets/files/images.json'); final jsonResponse = await json.decode(jsonString); List imagesList = jsonResponse['images'] as List; for (var image in imagesList) { _availableImages.add(image.toString()); } } catch (e) { _availableImages = []; } // Remove empty images _availableImages.removeWhere((value) => (value == '')); } List<String> get availableImages => _availableImages; }