feat: ios support (#194)

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

@@ -225,7 +225,7 @@ class AppController extends GetxController with WindowListener, TrayListener {
       return _defaultStartConfig!;
     }
     _defaultStartConfig = StartConfig();
-    if (!Util.isUnix()) {
+    if (!Util.supportUnixSocket()) {
       // not support unix socket, use tcp
       _defaultStartConfig!.network = "tcp";
       _defaultStartConfig!.address = "127.0.0.1:0";

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

@@ -342,13 +342,11 @@ class SettingView extends GetView<SettingController> {
                 await debounceSave(needRestart: true);
               },
               items: [
-                !Util.isMobile()
-                    ? const DropdownMenuItem<String>(
-                        value: 'tcp',
-                        child: Text('TCP'),
-                      )
-                    : null,
-                Util.isUnix()
+                const DropdownMenuItem<String>(
+                  value: 'tcp',
+                  child: Text('TCP'),
+                ),
+                Util.supportUnixSocket()
                     ? const DropdownMenuItem<String>(
                         value: 'unix',
                         child: Text('Unix'),

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

@@ -24,7 +24,7 @@ class _DirectorySelectorState extends State<DirectorySelector> {
       children: [
         Expanded(
             child: TextFormField(
-          readOnly: Util.isWeb() ? false : true,
+          readOnly: Util.isWeb() && !Util.isIOS() ? false : true,
           controller: widget.controller,
           decoration: widget.showLabel
               ? InputDecoration(
@@ -35,7 +35,7 @@ class _DirectorySelectorState extends State<DirectorySelector> {
             return v!.trim().isNotEmpty ? null : 'downloadDirValid'.tr;
           },
         )),
-        Util.isDesktop() || Util.isAndroid()
+        !Util.isWeb() && !Util.isIOS()
             ? IconButton(
                 icon: const Icon(Icons.folder_open),
                 onPressed: () async {

ui/flutter/lib/util/util.dart

@@ -53,15 +53,15 @@ class Util {
     return !kIsWeb && Platform.isMacOS;
   }
 
-  static isUnix() {
+  static isWeb() {
+    return kIsWeb;
+  }
+
+  static supportUnixSocket() {
     if (kIsWeb) {
       return false;
     }
-    return !Platform.isWindows;
-  }
-
-  static isWeb() {
-    return kIsWeb;
+    return Platform.isLinux || Platform.isMacOS || Platform.isAndroid;
   }
 
   static List<String> textToLines(String text) {