1.更换保存图片到相册的工具库

lib/util/download/download.dart

@@ -1,20 +1,22 @@
+
 import 'dart:collection';
+import 'dart:io';
 
 import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
-import 'package:image_gallery_saver/image_gallery_saver.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:permission_handler/permission_handler.dart';
+import 'package:save_image/save_image.dart';
 
 class Download {
   static HashMap hashMap = HashMap();
 
   Future<String> fileToGallery(
-    String url, {
-    String postfix,
-    Function(int, int) progress,
-  }) async {
+      String url, {
+        String postfix,
+        Function(int, int) progress,
+      }) async {
     // 检查是否已有读写内存的权限
     bool status = await Permission.storage.isGranted;
 
@@ -33,14 +35,17 @@ class Download {
         var appDocDir = await getTemporaryDirectory();
         String savePath = appDocDir.path + "/" + DateTime.now().toIso8601String().toString() + (strs[strs.length - 1].length > 4 ? (postfix ?? "") : strs[strs.length - 1]);
         await Dio().download(url, savePath, onReceiveProgress: (count, toal) {
-          if(progress!=null){
+          if (progress != null) {
             progress(count, toal);
           }
         });
         print(savePath);
-        final result = await ImageGallerySaver.saveFile(savePath);
-        print(result);
-        return "保存成功";
+        var result = await SaveImage.save(imageBytes: File(savePath).readAsBytesSync());
+        if (result != null && result) {
+          return "保存成功";
+        } else {
+          return "保存失败";
+        }
       } catch (e) {
         return "下载失败,原因:" + e.toString();
       } finally {

pubspec.yaml

@@ -72,7 +72,7 @@ dependencies:
   path_provider: ^1.4.0
 
   #保存文件到相册
-  image_gallery_saver: ^1.5.0
+  save_image: ^1.0.1