Target directory can be changed.

lib/src/pages/downloader.dart

@@ -3,6 +3,7 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:flutter/material.dart';
+import 'package:quickgui/src/globals.dart';
 import 'package:quickgui/src/model/operating_system.dart';
 import 'package:quickgui/src/model/option.dart';
 import 'package:quickgui/src/model/version.dart';
@@ -32,6 +33,7 @@ class _DownloaderState extends State<Downloader> {
 
   @override
   void initState() {
+    Directory.current = gCurrentDirectoy;
     _progressStream = progressStream();
     super.initState();
   }
@@ -127,7 +129,7 @@ class _DownloaderState extends State<Downloader> {
                     ),
                     Padding(
                       padding: const EdgeInsets.only(top: 32),
-                      child: Text("Target folder : ${Directory.current}"),
+                      child: Text("Target folder : $gCurrentDirectoy"),
                     ),
                   ],
                 );

lib/src/pages/main_page.dart

@@ -1,13 +1,20 @@
 import 'dart:io';
 
+import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
+import 'package:quickgui/src/globals.dart';
 import 'package:quickgui/src/widgets/home_page_buttons.dart';
 
-class MainPage extends StatelessWidget {
+class MainPage extends StatefulWidget {
   const MainPage({Key? key, required this.title}) : super(key: key);
 
   final String title;
 
+  @override
+  State<MainPage> createState() => _MainPageState();
+}
+
+class _MainPageState extends State<MainPage> {
   @override
   Widget build(BuildContext context) {
     //Directory.current = '/home/yannick';
@@ -50,10 +57,20 @@ class MainPage extends StatelessWidget {
                       ),
                     ],
                   ),
-                  Text(
+                  InkWell(
-                    "Working directory : ${Directory.current.absolute.path}",
+                    onTap: () async {
+                      var folder = await FilePicker.platform.getDirectoryPath(dialogTitle: "Pick a folder");
+                      if (folder != null) {
+                        setState(() {
+                          gCurrentDirectoy = Directory(folder);
+                        });
+                      }
+                    },
+                    child: Text(
+                      "Working directory : ${gCurrentDirectoy.path}",
                       style: Theme.of(context).textTheme.subtitle1!.copyWith(color: Colors.white),
                     ),
+                  ),
                 ],
               ),
             ),

pubspec.yaml

@@ -40,6 +40,7 @@ dependencies:
       path: plugins/window_size
   quiver: ^3.0.1+1
   tuple: ^2.0.0
+  file_picker: ^4.1.6
 
 dev_dependencies:
   flutter_test: