adding packages

2026-01-15 14:38:46 -08:00
parent ef86e3ab6a
commit 6869cf47e5
5253 changed files with 726695 additions and 34 deletions
@@ -0,0 +1,117 @@
+import 'package:flutter/material.dart';
+import 'package:navigation_rail/navigation_rail.dart';
+
+void main() => runApp(MyApp());
+
+class MyApp extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      debugShowCheckedModeBanner: false,
+      title: 'NavigationRail Demo',
+      theme: _theme(ThemeData.light().copyWith(
+        accentColor: Colors.red,
+      )),
+      darkTheme: ThemeData.dark(),
+      home: Directionality(
+        textDirection: TextDirection.ltr,
+        child: MyHomePage(title: 'Navigation Rail Demo'),
+      ),
+    );
+  }
+
+  ThemeData _theme(ThemeData base) {
+    return ThemeData(
+      primarySwatch: Colors.blue,
+      appBarTheme: base.appBarTheme.copyWith(elevation: 0.0),
+      floatingActionButtonTheme: base.floatingActionButtonTheme.copyWith(
+        elevation: 2.0,
+        backgroundColor: base.accentColor,
+      ),
+    );
+  }
+}
+
+class MyHomePage extends StatefulWidget {
+  MyHomePage({Key key, this.title}) : super(key: key);
+
+  final String title;
+
+  @override
+  _MyHomePageState createState() => _MyHomePageState();
+}
+
+class _MyHomePageState extends State<MyHomePage> {
+  int _currentIndex = 0;
+
+  @override
+  Widget build(BuildContext context) {
+    return NavRail(
+      isDense: false,
+      drawerHeaderBuilder: (context) {
+        return Column(
+          children: <Widget>[
+            UserAccountsDrawerHeader(
+              accountName: Text("Steve Jobs"),
+              accountEmail: Text("jobs@apple.com"),
+            ),
+          ],
+        );
+      },
+      drawerFooterBuilder: (context) {
+        return Column(
+          children: <Widget>[
+            ListTile(
+              leading: Icon(Icons.settings),
+              title: Text("Settings"),
+            ),
+            ListTile(
+              leading: Icon(Icons.info_outline),
+              title: Text("About"),
+            ),
+          ],
+        );
+      },
+      currentIndex: _currentIndex,
+      onTap: (val) {
+        if (mounted)
+          setState(() {
+            _currentIndex = val;
+          });
+      },
+      title: Text(widget.title),
+      body: IndexedStack(
+        index: _currentIndex,
+        children: <Widget>[
+          Container(color: Colors.blue[300]),
+          Container(color: Colors.red[300]),
+          Container(color: Colors.purple[300]),
+          Container(color: Colors.grey[300]),
+        ],
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: () {},
+        tooltip: 'Increment',
+        child: Icon(Icons.add),
+      ),
+      tabs: <BottomNavigationBarItem>[
+        BottomNavigationBarItem(
+          title: Text("Folders"),
+          icon: Icon(Icons.folder),
+        ),
+        BottomNavigationBarItem(
+          title: Text("History"),
+          icon: Icon(Icons.history),
+        ),
+        BottomNavigationBarItem(
+          title: Text("Gallery"),
+          icon: Icon(Icons.photo_library),
+        ),
+        BottomNavigationBarItem(
+          title: Text("Camera"),
+          icon: Icon(Icons.camera),
+        ),
+      ],
+    );
+  }
+}