Show toast on successful share

lib/ui/share_folder_widget.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
+import 'package:fluttertoast/fluttertoast.dart';
 import 'package:photos/folder_service.dart';
 import 'package:photos/models/folder.dart';
 import 'package:photos/ui/loading_widget.dart';
@@ -64,6 +65,14 @@ class _ShareFolderWidgetState extends State<ShareFolderWidget> {
             _folder.sharedWith.clear();
             _folder.sharedWith.addAll(sharedWith);
             await FolderSharingService.instance.updateFolder(_folder);
+            Fluttertoast.showToast(
+                msg: "Sharing configuration updated successfully.",
+                toastLength: Toast.LENGTH_SHORT,
+                gravity: ToastGravity.BOTTOM,
+                timeInSecForIosWeb: 1,
+                backgroundColor: Colors.grey[600],
+                textColor: Colors.white,
+                fontSize: 16.0);
             Navigator.of(context).pop();
           },
         ),

pubspec.lock

@@ -170,6 +170,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  fluttertoast:
+    dependency: "direct main"
+    description:
+      name: fluttertoast
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.1"
   get_ip:
     dependency: transitive
     description:

pubspec.yaml

@@ -49,6 +49,7 @@ dependencies:
   flutter_image_compress: ^0.6.5+1
   flutter_typeahead: ^1.8.1
   pull_to_refresh: ^1.5.7
+  fluttertoast: ^4.0.1
 
 dev_dependencies:
   flutter_test: