feat: android deeplink and file selector (#118)

ui/flutter/android/app/src/main/AndroidManifest.xml

@@ -12,9 +12,54 @@
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:exported="true"
             android:hardwareAccelerated="true"
-            android:launchMode="singleTop"
+            android:launchMode="singleInstance"
             android:theme="@style/LaunchTheme"
             android:windowSoftInputMode="adjustResize">
+
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data
+                    android:scheme="file"
+                    android:host="*"
+                    android:pathPattern=".*torrent" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data
+                    android:scheme="file"
+                    android:host="*"
+                    android:mimeType="application/x-bittorrent" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data
+                    android:scheme="content"
+                    android:host="*"
+                    android:pathPattern=".*torrent" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data
+                    android:scheme="content"
+                    android:host="*"
+                    android:mimeType="application/x-bittorrent" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data
+                    android:scheme="magnet" />
+            </intent-filter>
+
             <!-- Specifies an Android theme to apply to this Activity as soon as
                  the Android process has started. This theme is visible to the user
                  while the Flutter UI initializes. After that, this theme continues

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

@@ -1,10 +1,13 @@
+import 'dart:async';
 import 'dart:convert';
 import 'dart:ui' as ui;
 
+import 'package:app_links/app_links.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:uri_to_file/uri_to_file.dart';
 
 import '../../../../api/api.dart';
 import '../../../../api/model/downloader_config.dart';
@@ -13,6 +16,7 @@ import '../../../../generated/locales.g.dart';
 import '../../../../util/localeManager.dart';
 import '../../../../util/log_util.dart';
 import '../../../../util/util.dart';
+import '../../../routes/app_pages.dart';
 
 const _startConfigNetwork = "start.network";
 const _startConfigAddress = "start.address";
@@ -62,6 +66,42 @@ class AppController extends GetxController {
   final runningPort = 0.obs;
   final downloaderConfig = DownloaderConfig().obs;
 
+  late AppLinks _appLinks;
+  StreamSubscription<Uri>? _linkSubscription;
+
+  @override
+  void onReady() {
+    super.onReady();
+    _initDeepLinks();
+  }
+
+  @override
+  void onClose() {
+    _linkSubscription?.cancel();
+  }
+
+  Future<void> _initDeepLinks() async {
+    _appLinks = AppLinks();
+
+    // Handle link when app is in warm state (front or background)
+    _linkSubscription = _appLinks.uriLinkStream.listen((uri) async {
+      await _toCreate(uri);
+    });
+
+    // Check initial link if app was in cold state (terminated)
+    final uri = await _appLinks.getInitialAppLink();
+    if (uri != null) {
+      await _toCreate(uri);
+    }
+  }
+
+  Future<void> _toCreate(Uri uri) async {
+    final path = uri.scheme == "magnet"
+        ? uri.toString()
+        : (await toFile(uri.toString())).path;
+    await Get.rootDelegate.offAndToNamed(Routes.CREATE, arguments: path);
+  }
+
   String runningAddress() {
     if (startConfig.value.network == 'unix') {
       return startConfig.value.address;

ui/flutter/lib/app/modules/create/views/create_view.dart

@@ -1,4 +1,5 @@
 import 'package:desktop_drop/desktop_drop.dart';
+import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import '../../../../api/model/resolve_result.dart';
@@ -11,8 +12,8 @@ import '../../../../api/model/request.dart';
 import '../../../../util/message.dart';
 import '../../../../util/util.dart';
 import '../../../routes/app_pages.dart';
-import '../../../views/views/directory_selector.dart';
-import '../../../views/views/file_list_view.dart';
+import '../../../views/directory_selector.dart';
+import '../../../views/file_list_view.dart';
 import '../../app/controllers/app_controller.dart';
 import '../controllers/create_controller.dart';
 
@@ -26,6 +27,14 @@ class CreateView extends GetView<CreateController> {
 
   @override
   Widget build(BuildContext context) {
+    final String? filePath = Get.rootDelegate.arguments();
+    if (_urlController.text.isEmpty && filePath != null) {
+      _urlController.text = filePath;
+      WidgetsBinding.instance.addPostFrameCallback((_) async {
+        await _doResolve();
+      });
+    }
+
     return Scaffold(
       appBar: AppBar(
         leading: IconButton(
@@ -45,21 +54,42 @@ class CreateView extends GetView<CreateController> {
             autovalidateMode: AutovalidateMode.always,
             child: Column(
               children: [
-                TextFormField(
-                    autofocus: true,
-                    controller: _urlController,
-                    minLines: 1,
-                    maxLines: 30,
-                    decoration: InputDecoration(
-                        hintText: _hitText(),
-                        hintStyle: const TextStyle(fontSize: 12),
-                        labelText: 'downloadLink'.tr,
-                        icon: const Icon(Icons.link)),
-                    validator: (v) {
-                      return v!.trim().isNotEmpty
-                          ? null
-                          : 'downloadLinkValid'.tr;
-                    }),
+                Row(
+                  children: [
+                    Expanded(
+                      child: TextFormField(
+                          autofocus: true,
+                          controller: _urlController,
+                          minLines: 1,
+                          maxLines: 30,
+                          decoration: InputDecoration(
+                            hintText: _hitText(),
+                            hintStyle: const TextStyle(fontSize: 12),
+                            labelText: 'downloadLink'.tr,
+                            icon: const Icon(Icons.link),
+                            suffixIcon: IconButton(
+                              onPressed: _urlController.clear,
+                              icon: const Icon(Icons.clear),
+                            ),
+                          ),
+                          validator: (v) {
+                            return v!.trim().isNotEmpty
+                                ? null
+                                : 'downloadLinkValid'.tr;
+                          }),
+                    ),
+                    IconButton(
+                        icon: const Icon(Icons.folder_open),
+                        onPressed: () async {
+                          var pr = await FilePicker.platform.pickFiles(
+                              type: FileType.custom,
+                              allowedExtensions: ["torrent"]);
+                          if (pr != null) {
+                            _urlController.text = pr.files[0].path ?? "";
+                          }
+                        }),
+                  ],
+                ),
                 Center(
                   child: Padding(
                       padding: const EdgeInsets.all(15.0),
@@ -70,21 +100,7 @@ class CreateView extends GetView<CreateController> {
                         ),
                         child: RoundedLoadingButton(
                           color: Get.theme.colorScheme.secondary,
-                          onPressed: () async {
-                            try {
-                              _confirmController.start();
-                              if (_resolveFormKey.currentState!.validate()) {
-                                final rr = await resolve(Request(
-                                  url: _urlController.text,
-                                ));
-                                await _showResolveDialog(rr);
-                              }
-                            } catch (e) {
-                              showErrorMessage(e);
-                            } finally {
-                              _confirmController.reset();
-                            }
-                          },
+                          onPressed: _doResolve,
                           controller: _confirmController,
                           child: Text('confirm'.tr),
                         ),
@@ -98,6 +114,25 @@ class CreateView extends GetView<CreateController> {
     );
   }
 
+  Future<void> _doResolve() async {
+    if (_confirmController.currentState == ButtonState.loading) {
+      return;
+    }
+    try {
+      _confirmController.start();
+      if (_resolveFormKey.currentState!.validate()) {
+        final rr = await resolve(Request(
+          url: _urlController.text,
+        ));
+        await _showResolveDialog(rr);
+      }
+    } catch (e) {
+      showErrorMessage(e);
+    } finally {
+      _confirmController.reset();
+    }
+  }
+
   String _hitText() {
     return 'downloadLinkHit'.trParams({
       'append': Util.isDesktop() ? 'downloadLinkHitDesktop'.tr : '',

ui/flutter/lib/app/modules/home/views/home_view.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
 import '../../../routes/app_pages.dart';
-import '../../../views/views/responsive_builder.dart';
+import '../../../views/responsive_builder.dart';
 import '../controllers/home_controller.dart';
 
 class HomeView extends GetView<HomeController> {

ui/flutter/lib/app/modules/setting/views/setting_view.dart

@@ -1,21 +1,21 @@
 import 'dart:async';
 import 'dart:convert';
 
+import 'package:badges/badges.dart' as badges;
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:get/get.dart';
-import '../../../../util/message.dart';
 import 'package:intl/intl.dart';
 import 'package:url_launcher/url_launcher.dart';
-import 'package:badges/badges.dart' as badges;
 
 import '../../../../generated/locales.g.dart';
 import '../../../../util/localeManager.dart';
+import '../../../../util/message.dart';
 import '../../../../util/package_info.dart';
 import '../../../../util/util.dart';
-import '../../../views/views/check_list_view.dart';
-import '../../../views/views/directory_selector.dart';
-import '../../../views/views/outlined_button_loading.dart';
+import '../../../views/check_list_view.dart';
+import '../../../views/directory_selector.dart';
+import '../../../views/outlined_button_loading.dart';
 import '../../app/controllers/app_controller.dart';
 import '../controllers/setting_controller.dart';
 

ui/flutter/lib/app/modules/task/views/task_downloaded_view.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
-import '../../../views/views/buid_task_list_view.dart';
+import '../../../views/buid_task_list_view.dart';
 import '../controllers/task_downloaded_controller.dart';
 
 class TaskDownloadedView extends GetView<TaskDownloadedController> {

ui/flutter/lib/app/modules/task/views/task_downloading_view.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
-import '../../../views/views/buid_task_list_view.dart';
+import '../../../views/buid_task_list_view.dart';
 import '../controllers/task_downloading_controller.dart';
 
 class TaskDownloadingView extends GetView<TaskDownloadingController> {

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

@@ -3,14 +3,14 @@ import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:path/path.dart' as path;
 
-import '../../../api/api.dart';
-import '../../../api/model/task.dart';
-import '../../../util/file_explorer.dart';
-import '../../../util/file_icon.dart';
-import '../../../util/icons.dart';
-import '../../../util/message.dart';
-import '../../../util/util.dart';
-import '../../routes/app_pages.dart';
+import '../../api/api.dart';
+import '../../api/model/task.dart';
+import '../../util/file_explorer.dart';
+import '../../util/file_icon.dart';
+import '../../util/icons.dart';
+import '../../util/message.dart';
+import '../../util/util.dart';
+import '../routes/app_pages.dart';
 
 class BuildTaskListView extends GetView {
   final List<Task> tasks;

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

@@ -2,8 +2,8 @@ import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
-import '../../../util/mac_secure_util.dart';
-import '../../../util/util.dart';
+import '../../util/mac_secure_util.dart';
+import '../../util/util.dart';
 
 class DirectorySelector extends StatefulWidget {
   final TextEditingController controller;
@@ -35,19 +35,17 @@ class _DirectorySelectorState extends State<DirectorySelector> {
             return v!.trim().isNotEmpty ? null : 'downloadDirValid'.tr;
           },
         )),
-        !Util.isDesktop()
-            ? null
-            : IconButton(
+        Util.isDesktop() || Util.isAndroid()
+            ? IconButton(
                 icon: const Icon(Icons.folder_open),
                 onPressed: () async {
-                  if (GetPlatform.isDesktop) {
-                    var dir = await FilePicker.platform.getDirectoryPath();
-                    if (dir != null) {
-                      widget.controller.text = dir;
-                      MacSecureUtil.saveBookmark(dir);
-                    }
+                  var dir = await FilePicker.platform.getDirectoryPath();
+                  if (dir != null) {
+                    widget.controller.text = dir;
+                    MacSecureUtil.saveBookmark(dir);
                   }
                 })
+            : null
       ].where((e) => e != null).map((e) => e!).toList(),
     );
   }

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

@@ -3,14 +3,14 @@ import 'dart:ui' as ui;
 import 'package:fluent_ui/fluent_ui.dart' as fluent;
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
-import '../../../api/model/resource.dart';
+import '../../api/model/resource.dart';
 import 'package:path/path.dart' as path;
 
-import '../../../util/file_icon.dart';
-import '../../../util/icons.dart';
-import '../../../util/util.dart';
-import '../../modules/app/controllers/app_controller.dart';
-import '../../modules/create/controllers/create_controller.dart';
+import '../../util/file_icon.dart';
+import '../../util/icons.dart';
+import '../../util/util.dart';
+import '../modules/app/controllers/app_controller.dart';
+import '../modules/create/controllers/create_controller.dart';
 
 class FileListView extends GetView {
   final List<FileInfo> files;

ui/flutter/pubspec.lock

@@ -17,6 +17,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "5.0.0"
+  app_links:
+    dependency: "direct main"
+    description:
+      name: app_links
+      sha256: d572dcdff49c4cfcfa6f315e2683e518ec6eb54e084d01e51d9631a4dcc1b5e8
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "3.4.2"
   archive:
     dependency: transitive
     description:
@@ -899,6 +907,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.3.1"
+  uri_to_file:
+    dependency: "direct main"
+    description:
+      name: uri_to_file
+      sha256: "84afd633b1492fc465c768141e1a29edd519061bf99935b6b4d0d5de8ec7c108"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.2.0"
   url_launcher:
     dependency: "direct main"
     description:

ui/flutter/pubspec.yaml

@@ -53,6 +53,8 @@ dependencies:
   fluent_ui: ^4.4.0
   path: any
   badges: ^3.0.3
+  app_links: ^3.4.2
+  uri_to_file: ^0.2.0
 dev_dependencies:
   flutter_test:
     sdk: flutter