feat: add ai bubble button on mobile home page (#5992)

* chore: skip check list test if the task is not found

* feat: add ai bubble button in home page

* feat: only show the ai bubble button for the cloud user

* chore: add border color to ai bubble button

* Revert "chore: skip check list test if the task is not found"

This reverts commit 961f594a31.

* fix: only display ai bubble button on home page

frontend/appflowy_flutter/lib/mobile/presentation/home/mobile_home_page.dart

@@ -134,7 +134,27 @@ class _MobileHomePageState extends State<MobileHomePage> {
           value: getIt<ReminderBloc>()..add(const ReminderEvent.started()),
         ),
       ],
-      child: BlocConsumer<UserWorkspaceBloc, UserWorkspaceState>(
+      child: _HomePage(userProfile: widget.userProfile),
+    );
+  }
+
+  void _onLatestViewChange() async {
+    final id = getIt<MenuSharedState>().latestOpenView?.id;
+    if (id == null) {
+      return;
+    }
+    await FolderEventSetLatestView(ViewIdPB(value: id)).send();
+  }
+}
+
+class _HomePage extends StatelessWidget {
+  const _HomePage({required this.userProfile});
+
+  final UserProfilePB userProfile;
+
+  @override
+  Widget build(BuildContext context) {
+    return BlocConsumer<UserWorkspaceBloc, UserWorkspaceState>(
       buildWhen: (previous, current) =>
           previous.currentWorkspace?.workspaceId !=
           current.currentWorkspace?.workspaceId,
@@ -159,7 +179,7 @@ class _MobileHomePageState extends State<MobileHomePage> {
                 top: Platform.isAndroid ? 8.0 : 0.0,
               ),
               child: MobileHomePageHeader(
-                  userProfile: widget.userProfile,
+                userProfile: userProfile,
               ),
             ),
 
@@ -167,14 +187,14 @@ class _MobileHomePageState extends State<MobileHomePage> {
               child: MultiBlocProvider(
                 providers: [
                   BlocProvider(
-                      create: (_) => SpaceOrderBloc()
+                    create: (_) =>
-                        ..add(const SpaceOrderEvent.initial()),
+                        SpaceOrderBloc()..add(const SpaceOrderEvent.initial()),
                   ),
                   BlocProvider(
                     create: (_) => SidebarSectionsBloc()
                       ..add(
                         SidebarSectionsEvent.initial(
-                            widget.userProfile,
+                          userProfile,
                           workspaceId,
                         ),
                       ),
@@ -187,7 +207,7 @@ class _MobileHomePageState extends State<MobileHomePage> {
                     create: (_) => SpaceBloc()
                       ..add(
                         SpaceEvent.initial(
-                            widget.userProfile,
+                          userProfile,
                           workspaceId,
                           openFirstPage: false,
                         ),
@@ -195,22 +215,13 @@ class _MobileHomePageState extends State<MobileHomePage> {
                   ),
                 ],
                 child: MobileSpaceTab(
-                    userProfile: widget.userProfile,
+                  userProfile: userProfile,
                 ),
               ),
             ),
           ],
         );
       },
-      ),
     );
   }
-
-  void _onLatestViewChange() async {
-    final id = getIt<MenuSharedState>().latestOpenView?.id;
-    if (id == null) {
-      return;
-    }
-    await FolderEventSetLatestView(ViewIdPB(value: id)).send();
-  }
 }

frontend/appflowy_flutter/lib/mobile/presentation/home/tab/ai_bubble_button.dart

@@ -0,0 +1,81 @@
+import 'package:appflowy/generated/flowy_svgs.g.dart';
+import 'package:appflowy/generated/locale_keys.g.dart';
+import 'package:appflowy/mobile/presentation/base/gesture.dart';
+import 'package:appflowy/mobile/presentation/home/tab/mobile_space_tab.dart';
+import 'package:appflowy/util/theme_extension.dart';
+import 'package:easy_localization/easy_localization.dart';
+import 'package:flowy_infra_ui/flowy_infra_ui.dart';
+import 'package:flutter/material.dart';
+
+class FloatingAIEntry extends StatelessWidget {
+  const FloatingAIEntry({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedGestureDetector(
+      scaleFactor: 0.99,
+      onTapUp: () => mobileCreateNewAIChatNotifier.value =
+          mobileCreateNewAIChatNotifier.value + 1,
+      child: DecoratedBox(
+        decoration: _buildShadowDecoration(context),
+        child: Container(
+          decoration: _buildWrapperDecoration(context),
+          height: 48,
+          alignment: Alignment.centerLeft,
+          child: Padding(
+            padding: const EdgeInsets.only(left: 18),
+            child: _buildHintText(context),
+          ),
+        ),
+      ),
+    );
+  }
+
+  BoxDecoration _buildShadowDecoration(BuildContext context) {
+    return BoxDecoration(
+      borderRadius: BorderRadius.circular(30),
+      boxShadow: [
+        BoxShadow(
+          blurRadius: 20,
+          spreadRadius: 1,
+          offset: const Offset(0, 4),
+          color: Colors.black.withOpacity(0.05),
+        ),
+      ],
+    );
+  }
+
+  BoxDecoration _buildWrapperDecoration(BuildContext context) {
+    final outlineColor = Theme.of(context).colorScheme.outline;
+    final borderColor = Theme.of(context).isLightMode
+        ? outlineColor.withOpacity(0.7)
+        : outlineColor.withOpacity(0.3);
+    return BoxDecoration(
+      borderRadius: BorderRadius.circular(30),
+      color: Theme.of(context).colorScheme.surface,
+      border: Border.fromBorderSide(
+        BorderSide(
+          color: borderColor,
+        ),
+      ),
+    );
+  }
+
+  Widget _buildHintText(BuildContext context) {
+    return Row(
+      children: [
+        FlowySvg(
+          FlowySvgs.toolbar_item_ai_s,
+          size: const Size.square(16.0),
+          color: Theme.of(context).hintColor,
+          opacity: 0.7,
+        ),
+        const HSpace(8),
+        FlowyText(
+          LocaleKeys.chat_inputMessageHint.tr(),
+          color: Theme.of(context).hintColor,
+        ),
+      ],
+    );
+  }
+}

frontend/appflowy_flutter/lib/mobile/presentation/home/tab/mobile_space_tab.dart

@@ -20,6 +20,10 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:provider/provider.dart';
 
+import 'ai_bubble_button.dart';
+
+final ValueNotifier<int> mobileCreateNewAIChatNotifier = ValueNotifier(0);
+
 class MobileSpaceTab extends StatefulWidget {
   const MobileSpaceTab({
     super.key,
@@ -40,7 +44,8 @@ class _MobileSpaceTabState extends State<MobileSpaceTab>
   void initState() {
     super.initState();
 
-    mobileCreateNewPageNotifier.addListener(_createNewPage);
+    mobileCreateNewPageNotifier.addListener(_createNewDocument);
+    mobileCreateNewAIChatNotifier.addListener(_createNewAIChat);
     mobileLeaveWorkspaceNotifier.addListener(_leaveWorkspace);
   }
 
@@ -48,7 +53,9 @@ class _MobileSpaceTabState extends State<MobileSpaceTab>
   void dispose() {
     tabController?.removeListener(_onTabChange);
     tabController?.dispose();
-    mobileCreateNewPageNotifier.removeListener(_createNewPage);
+
+    mobileCreateNewPageNotifier.removeListener(_createNewDocument);
+    mobileCreateNewAIChatNotifier.removeListener(_createNewAIChat);
     mobileLeaveWorkspaceNotifier.removeListener(_leaveWorkspace);
 
     super.dispose();
@@ -145,7 +152,20 @@ class _MobileSpaceTabState extends State<MobileSpaceTab>
         case MobileSpaceTabType.recent:
           return const MobileRecentSpace();
         case MobileSpaceTabType.spaces:
-          return MobileHomeSpace(userProfile: widget.userProfile);
+          return Stack(
+            children: [
+              MobileHomeSpace(userProfile: widget.userProfile),
+              // only show ai chat button for cloud user
+              if (widget.userProfile.authenticator ==
+                  AuthenticatorPB.AppFlowyCloud)
+                Positioned(
+                  bottom: MediaQuery.of(context).padding.bottom + 16,
+                  left: 20,
+                  right: 20,
+                  child: const FloatingAIEntry(),
+                ),
+            ],
+          );
         case MobileSpaceTabType.favorites:
           return MobileFavoriteSpace(userProfile: widget.userProfile);
         default:
@@ -155,15 +175,24 @@ class _MobileSpaceTabState extends State<MobileSpaceTab>
   }
 
   // quick create new page when clicking the add button in navigation bar
-  void _createNewPage() {
+  void _createNewDocument() {
+    _createNewPage(ViewLayoutPB.Document);
+  }
+
+  void _createNewAIChat() {
+    _createNewPage(ViewLayoutPB.Chat);
+  }
+
+  void _createNewPage(ViewLayoutPB layout) {
     if (context.read<SpaceBloc>().state.spaces.isNotEmpty) {
       context.read<SpaceBloc>().add(
             SpaceEvent.createPage(
               name: LocaleKeys.menuAppHeader_defaultNewPageName.tr(),
-              layout: ViewLayoutPB.Document,
+              layout: layout,
             ),
           );
-    } else {
+    } else if (layout == ViewLayoutPB.Document) {
+      // only support create document in section
       context.read<SidebarSectionsBloc>().add(
             SidebarSectionsEvent.createRootViewInSection(
               name: LocaleKeys.menuAppHeader_defaultNewPageName.tr(),

frontend/appflowy_flutter/lib/plugins/ai_chat/presentation/chat_welcome_page.dart

@@ -73,6 +73,7 @@ class ChatWelcomePage extends StatelessWidget {
             const VSpace(8),
             Wrap(
               direction: Axis.vertical,
+              spacing: isMobile ? 12.0 : 0.0,
               children: items
                   .map(
                     (i) => WelcomeQuestionWidget(