new: PlatformType

lib/core/utils/misc.dart

@@ -7,6 +7,8 @@ import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:plain_notification_token/plain_notification_token.dart';
 import 'package:share_plus/share_plus.dart';
 
+import 'platform.dart';
+
 Future<bool> shareFiles(BuildContext context, List<String> filePaths) async {
   for (final filePath in filePaths) {
     if (!await File(filePath).exists()) {
@@ -34,14 +36,14 @@ Future<String?> pickOneFile() async {
 }
 
 Future<String?> getToken() async {
-  final plainNotificationToken = PlainNotificationToken();
-  if (Platform.isIOS) {
+  if (isIOS) {
+    final plainNotificationToken = PlainNotificationToken();
     plainNotificationToken.requestPermission();
 
     // If you want to wait until Permission dialog close,
     // you need wait changing setting registered.
     await plainNotificationToken.onIosSettingsRegistered.first;
+    return await plainNotificationToken.getToken();
   }
-
-  return await plainNotificationToken.getToken();
+  return null;
 }

lib/core/utils/platform.dart

@@ -0,0 +1,44 @@
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+
+enum PlatformType {
+  android,
+  ios,
+  linux,
+  macos,
+  windows,
+  web,
+}
+
+final _p = () {
+  if (kIsWeb) {
+    return PlatformType.web;
+  }
+  if (Platform.isAndroid) {
+    return PlatformType.android;
+  }
+  if (Platform.isIOS) {
+    return PlatformType.ios;
+  }
+  if (Platform.isLinux) {
+    return PlatformType.linux;
+  }
+  if (Platform.isMacOS) {
+    return PlatformType.macos;
+  }
+  if (Platform.isWindows) {
+    return PlatformType.windows;
+  }
+  return PlatformType.web;
+}();
+
+PlatformType get platform => _p;
+
+bool get isAndroid => _p == PlatformType.android;
+bool get isIOS => _p == PlatformType.ios;
+bool get isLinux => _p == PlatformType.linux;
+bool get isMacOS => _p == PlatformType.macos;
+bool get isWindows => _p == PlatformType.windows;
+bool get isWeb => _p == PlatformType.web;
+

lib/core/utils/ui.dart

@@ -1,5 +1,3 @@
-import 'dart:io';
-
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
@@ -8,6 +6,7 @@ import 'package:url_launcher/url_launcher.dart';
 
 import '../../view/widget/card_dialog.dart';
 import '../persistant_store.dart';
+import 'platform.dart';
 
 bool isDarkMode(BuildContext context) =>
     Theme.of(context).brightness == Brightness.dark;
@@ -62,7 +61,7 @@ Widget buildSwitch(BuildContext context, StoreProperty<bool> prop,
 }
 
 void setTransparentNavigationBar(BuildContext context) {
-  if (Platform.isAndroid) {
+  if (isAndroid) {
     SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
     SystemChrome.setSystemUIOverlayStyle(const SystemUiOverlayStyle(
         systemNavigationBarColor: Colors.transparent,