import 'package:photo_manager/photo_manager.dart'; class PhotoProvider { PhotoProvider._privateConstructor(); static final PhotoProvider instance = PhotoProvider._privateConstructor(); List list = []; Future refreshGalleryList() async { var result = await PhotoManager.requestPermission(); if (!result) { print("Did not get permission"); } final filterOptionGroup = FilterOptionGroup(); filterOptionGroup.setOption(AssetType.image, FilterOption(needTitle: true)); var galleryList = await PhotoManager.getAssetPathList( type: RequestType.image, filterOption: filterOptionGroup); galleryList.sort((s1, s2) { return s2.assetCount.compareTo(s1.assetCount); }); this.list.clear(); this.list.addAll(galleryList); } }