fix: default download path on mobile (#337)

ui/flutter/lib/app/modules/app/controllers/app_controller.dart

@@ -6,6 +6,7 @@ import 'package:app_links/app_links.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_foreground_task/flutter_foreground_task.dart';
 import 'package:get/get.dart';
+import 'package:lecle_downloads_path_provider/lecle_downloads_path_provider.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:tray_manager/tray_manager.dart';
@@ -416,12 +417,13 @@ class AppController extends GetxController with WindowListener, TrayListener {
     if (config.downloadDir.isEmpty) {
       if (Util.isDesktop()) {
         config.downloadDir = (await getDownloadsDirectory())?.path ?? "./";
-      } else if (Util.isAndroid()) {
-        config.downloadDir = (await getExternalStorageDirectory())?.path ??
-            (await getApplicationDocumentsDirectory()).path;
-        return;
-      } else if (Util.isIOS()) {
-        config.downloadDir = (await getApplicationDocumentsDirectory()).path;
+      } else if (Util.isMobile()) {
+        final downloadDir = (await DownloadsPath.downloadsDirectory())?.path;
+        if (downloadDir != null) {
+          config.downloadDir = '$downloadDir/Gopeed';
+        } else {
+          config.downloadDir = (await getApplicationDocumentsDirectory()).path;
+        }
       } else {
         config.downloadDir = './';
       }

ui/flutter/lib/app/views/directory_selector.dart

@@ -35,7 +35,7 @@ class _DirectorySelectorState extends State<DirectorySelector> {
             return v!.trim().isNotEmpty ? null : 'downloadDirValid'.tr;
           },
         )),
-        !Util.isWeb() && !Util.isIOS()
+        !Util.isWeb() && !Util.isAndroid() && !Util.isIOS()
             ? IconButton(
                 icon: const Icon(Icons.folder_open),
                 onPressed: () async {

ui/flutter/pubspec.lock

@@ -477,6 +477,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "6.7.1"
+  lecle_downloads_path_provider:
+    dependency: "direct main"
+    description:
+      name: lecle_downloads_path_provider
+      sha256: "111f6d6d21e18acddda515eba8fd445658aa14defcbd59513d6d1b02b9ed47a0"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.0.2+8"
   lint:
     dependency: transitive
     description:

ui/flutter/pubspec.yaml

@@ -63,6 +63,7 @@ dependencies:
   flutter_foreground_task: ^6.1.2
   open_filex: ^4.3.4
   tray_manager: ^0.2.1
+  lecle_downloads_path_provider: ^0.0.2+8
 dev_dependencies:
   flutter_test:
     sdk: flutter