✨ Login hint

lib/screens/contact.dart

@@ -8,6 +8,7 @@ import 'package:solian/providers/content/channel.dart';
 import 'package:solian/router.dart';
 import 'package:solian/screens/account/notification.dart';
 import 'package:solian/theme.dart';
+import 'package:solian/widgets/account/signin_required_overlay.dart';
 
 class ContactScreen extends StatefulWidget {
   const ContactScreen({super.key});
@@ -48,28 +49,44 @@ class _ContactScreenState extends State<ContactScreen> {
   Widget build(BuildContext context) {
     final AuthProvider auth = Get.find();
 
-    // TODO Un signed in tip
-
     return Material(
       color: Theme.of(context).colorScheme.surface,
-      child: SafeArea(
+      child: FutureBuilder(
+          future: auth.isAuthorized,
+          builder: (context, snapshot) {
+            if (!snapshot.hasData) {
+              return const Center(
+                child: CircularProgressIndicator(),
+              );
+            } else if (snapshot.data == false) {
+              return SigninRequiredOverlay(
+                onSignedIn: () {
+                  getChannels();
+                },
+              );
+            }
+
+            return SafeArea(
               child: NestedScrollView(
                 headerSliverBuilder: (context, innerBoxIsScrolled) {
                   return [
                     SliverOverlapAbsorber(
-                handle:
+                      handle: NestedScrollView.sliverOverlapAbsorberHandleFor(
-                    NestedScrollView.sliverOverlapAbsorberHandleFor(context),
+                          context),
                       sliver: SliverAppBar(
                         title: Text('contact'.tr),
                         centerTitle: false,
-                  titleSpacing: SolianTheme.isLargeScreen(context) ? null : 24,
+                        titleSpacing:
+                            SolianTheme.isLargeScreen(context) ? null : 24,
                         forceElevated: innerBoxIsScrolled,
                         actions: [
                           const NotificationButton(),
                           IconButton(
                             icon: const Icon(Icons.add_circle),
                             onPressed: () {
-                        AppRouter.instance.pushNamed('channelOrganizing').then(
+                              AppRouter.instance
+                                  .pushNamed('channelOrganizing')
+                                  .then(
                                 (value) {
                                   if (value != null) {
                                     getChannels();
@@ -91,7 +108,8 @@ class _ContactScreenState extends State<ContactScreen> {
                   context: context,
                   child: Column(
                     children: [
-                if (_isBusy) const LinearProgressIndicator().animate().scaleX(),
+                      if (_isBusy)
+                        const LinearProgressIndicator().animate().scaleX(),
                       Expanded(
                         child: RefreshIndicator(
                           onRefresh: () => getChannels(),
@@ -131,7 +149,8 @@ class _ContactScreenState extends State<ContactScreen> {
                   ),
                 ),
               ),
-      ),
+            );
+          }),
     );
   }
 }

lib/screens/realms.dart

@@ -0,0 +1,10 @@
+import 'package:flutter/material.dart';
+
+class RealmListScreen extends StatelessWidget {
+  const RealmListScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    throw UnimplementedError();
+  }
+}

lib/translations.dart

@@ -48,6 +48,8 @@ class SolianMessages extends Translations {
           'aspectRatioPortrait': 'Portrait',
           'aspectRatioLandscape': 'Landscape',
           'signin': 'Sign in',
+          'signinRequired': 'Sign in',
+          'signinRequiredHint': 'Sign in to get full access of Solar Network',
           'signinGreeting': 'Welcome back\nSolar Network',
           'signinCaption':
               'Sign in to create post, start a realm, message your friend and more!',
@@ -160,6 +162,8 @@ class SolianMessages extends Translations {
           'aspectRatioPortrait': '竖型',
           'aspectRatioLandscape': '横型',
           'signin': '登录',
+          'signinRequired': '需要登录',
+          'signinRequiredHint': '登陆以获得 Solar Network 的全部功能使用权。',
           'signinGreeting': '欢迎回来\nSolar Network',
           'signinCaption': '登录以发表帖子、文章、创建领域、和你的朋友聊天，以及获取更多功能！',
           'signinRiskDetected': '检测到风险，点击下一步按钮来打开一个网页，并通过在其上面登录来通过安全检查。',

lib/widgets/account/signin_required_overlay.dart

@@ -0,0 +1,50 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:solian/screens/auth/signin.dart';
+
+class SigninRequiredOverlay extends StatelessWidget {
+  final Function onSignedIn;
+
+  const SigninRequiredOverlay({super.key, required this.onSignedIn});
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      child: Center(
+        child: Container(
+          constraints: const BoxConstraints(maxWidth: 280),
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              const Icon(
+                Icons.login,
+                size: 48,
+              ),
+              const SizedBox(height: 8),
+              Text(
+                'signinRequired'.tr,
+                style: Theme.of(context).textTheme.titleLarge,
+                textAlign: TextAlign.center,
+              ),
+              Text(
+                'signinRequiredHint'.tr,
+                style: Theme.of(context).textTheme.bodyMedium,
+                textAlign: TextAlign.center,
+              ),
+            ],
+          ),
+        ),
+      ),
+      onTap: () {
+        showModalBottomSheet(
+          useRootNavigator: true,
+          isScrollControlled: true,
+          context: context,
+          builder: (context) => const SignInPopup(),
+        ).then((value) {
+          if (value != null) onSignedIn();
+        });
+      },
+    );
+  }
+}