import 'dart:typed_data'; import 'dart:ui'; import 'package:photo_manager/photo_manager.dart'; class AssetMediaRepository { const AssetMediaRepository(); Future getThumbnail( String id, { int quality = 80, Size size = const Size.square(256), }) => AssetEntity( id: id, // The below fields are not used in thumbnailDataWithSize but are required // to create an AssetEntity instance. It is faster to create a dummy AssetEntity // instance than to fetch the asset from the device first. typeInt: AssetType.image.index, width: size.width.toInt(), height: size.height.toInt(), ).thumbnailDataWithSize( ThumbnailSize(size.width.toInt(), size.height.toInt()), quality: quality, ); }