feat: add bottom navigation bar

Author: sikelio

lib/main.dart

@@ -25,7 +25,7 @@ import 'package:hive_flutter/hive_flutter.dart';
 import 'models/conversion_history_entry.dart';
 import 'models/music_platform.dart';
 import 'models/track_metadata.dart';
-import 'pages/home_page.dart';
+import 'screens/main_screen.dart';
 import 'theme/app_theme.dart';
 import 'utils/web_share_handler.dart';
 
@@ -53,8 +53,9 @@ class MusicSharityApp extends StatefulWidget {
 }
 
 class _MusicSharityAppState extends State<MusicSharityApp> {
-  static const _shareChannel = EventChannel('fr.byteroast.music_sharity/share');
-  final _appLinks = AppLinks();
+  static const EventChannel _shareChannel = EventChannel('fr.byteroast.music_sharity/share');
+
+  final AppLinks _appLinks = AppLinks();
 
   StreamSubscription<Uri>? _deepLinkSubscription;
   StreamSubscription<Object?>? _nativeShareSubscription;
@@ -77,6 +78,16 @@ class _MusicSharityAppState extends State<MusicSharityApp> {
     }
   }
 
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Music Sharity',
+      theme: AppTheme.darkTheme,
+      debugShowCheckedModeBanner: false,
+      home: MainScreen(initialLink: _sharedLink),
+    );
+  }
+
   void _initWebSharing() {
     final sharedUrl = WebShareHandler.getSharedUrl();
 
@@ -160,14 +171,4 @@ class _MusicSharityAppState extends State<MusicSharityApp> {
 
     super.dispose();
   }
-
-  @override
-  Widget build(BuildContext context) {
-    return MaterialApp(
-      title: 'Music Sharity',
-      theme: AppTheme.darkTheme,
-      debugShowCheckedModeBanner: false,
-      home: HomePage(initialLink: _sharedLink, key: ValueKey(_sharedLink)),
-    );
-  }
 }

lib/screens/main_screen.dart

@@ -0,0 +1,84 @@
+/*
+ * Music Sharity - Share music across all platforms
+ * Copyright (C) 2026 Sikelio (Byte Roast)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+import 'package:flutter/material.dart';
+import '../pages/home_page.dart';
+import '../theme/app_theme.dart';
+
+class MainScreen extends StatefulWidget {
+  final String? initialLink;
+
+  const MainScreen({super.key, this.initialLink});
+
+  @override
+  State<MainScreen> createState() => _MainScreenState();
+}
+
+class _MainScreenState extends State<MainScreen> {
+  int _selectedIndex = 0;
+
+  late List<Widget> _pages;
+
+  @override
+  void initState() {
+    super.initState();
+    _pages = [
+      HomePage(initialLink: widget.initialLink, key: ValueKey(widget.initialLink)),
+      Text('History')
+    ];
+  }
+
+  @override
+  void didUpdateWidget(MainScreen oldWidget) {
+    super.didUpdateWidget(oldWidget);
+
+    if (widget.initialLink != oldWidget.initialLink) {
+      _pages[0] = HomePage(initialLink: widget.initialLink, key: ValueKey(widget.initialLink));
+    }
+  }
+
+  void _onItemTapped(int index) {
+    setState(() {
+      _selectedIndex = index;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: IndexedStack(
+        index: _selectedIndex,
+        children: _pages,
+      ),
+      bottomNavigationBar: BottomNavigationBar(
+        currentIndex: _selectedIndex,
+        onTap: _onItemTapped,
+        fixedColor: AppTheme.electricBlue,
+        items: const [
+          BottomNavigationBarItem(
+            icon: Icon(Icons.home_rounded),
+            label: 'Home',
+          ),
+          BottomNavigationBarItem(
+            icon: Icon(Icons.history),
+            label: 'History'
+          ),
+        ],
+      ),
+    );
+  }
+}