feat(bottom_navigation): add simple bottom navigation widget

lib/components/bottom_navigation.dart

@@ -0,0 +1,61 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_svg/flutter_svg.dart';
+
+class BottomNavigation extends StatefulWidget {
+  const BottomNavigation({Key? key, required this.onSelect}) : super(key: key);
+
+  final Function(int) onSelect;
+
+  @override
+  State<BottomNavigation> createState() => _BottomNavigationState();
+}
+
+class _BottomNavigationState extends State<BottomNavigation> {
+  int selected = 1;
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+      children: [
+        IconButton(
+          onPressed: () {
+            setState(() {
+              selected = 1;
+              widget.onSelect(1);
+            });
+          },
+          icon: SvgPicture.asset(
+            'assets/globe.svg',
+            color: selected == 1 ? Colors.pink : const Color(0xFF292929),
+          ),
+        ),
+        IconButton(
+          iconSize: 65,
+          padding: const EdgeInsets.only(bottom: 20),
+          onPressed: () {
+            setState(() {
+              selected = 2;
+              widget.onSelect(2);
+            });
+          },
+          icon: SvgPicture.asset(
+            'assets/plus.svg',
+          ),
+        ),
+        IconButton(
+          onPressed: () {
+            setState(() {
+              selected = 3;
+              widget.onSelect(3);
+            });
+          },
+          icon: SvgPicture.asset(
+            'assets/profile.svg',
+            color: selected == 3 ? Colors.pink : const Color(0xFF292929),
+          ),
+        ),
+      ],
+    );
+  }
+}

lib/components/room_card.dart

@@ -1,56 +1,90 @@
 import 'package:flutter/material.dart';
 
-enum RoomStatus { waitingForPlayers, awaitingForAccept, started }
+String calculateMembersCountLabel(int count) {
+  if (count % 10 == 1 && count % 100 != 11) {
+    return "человек";
+  } else if (count % 10 >= 2 &&
+      count % 10 <= 4 &&
+      (count % 100 < 10 || count % 100 >= 20)) {
+    return "человека";
+  } else {
+    return "человек";
+  }
+}
+
+enum RoomStatus {
+  waitingForPlayers(name: "Ожидаем игроков", color: Colors.yellow),
+  awaitingForAccept(name: "Ожидаем подтверждения", color: Colors.red),
+  started(name: "Игра началась", color: Colors.green);
+
+  const RoomStatus({
+    required this.name,
+    required this.color,
+  });
+
+  final String name;
+  final Color color;
+}
 
 class RoomCard extends StatelessWidget {
-  const RoomCard(
-      {super.key,
-      required this.name,
-      required this.membersCount,
-      required this.status});
+  const RoomCard({
+    super.key,
+    required this.name,
+    required this.membersCount,
+    required this.status,
+  });
 
   final String name;
   final int membersCount;
   final RoomStatus status;
 
   @override
   Widget build(BuildContext context) {
-    return Container(
-        decoration: BoxDecoration(
-            border: Border.all(color: Colors.grey.shade400),
-            borderRadius: const BorderRadius.all(Radius.circular(16.0)),
-            // ignore: prefer_const_literals_to_create_immutables
-            boxShadow: [
-              const BoxShadow(
-                  color: Colors.grey,
-                  spreadRadius: 3,
-                  blurRadius: 7,
-                  offset: Offset(0, 7))
-            ],
-            color: Colors.white),
-        padding: const EdgeInsets.symmetric(vertical: 24, horizontal: 28),
+    return Card(
+      elevation: 5,
+      shape: const RoundedRectangleBorder(
+          borderRadius: BorderRadius.all(Radius.circular(10))),
+      child: Container(
+        padding: const EdgeInsets.all(15),
         child: Row(
           mainAxisAlignment: MainAxisAlignment.spaceBetween,
           children: [
             Column(
               mainAxisAlignment: MainAxisAlignment.start,
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
-                Text(name),
+                Text(
+                  name,
+                  style: const TextStyle(
+                    fontSize: 20,
+                  ),
+                ),
                 const SizedBox(height: 10),
-                Text("$membersCount человек"),
+                Text(
+                  "$membersCount ${calculateMembersCountLabel(membersCount)}",
+                  style: TextStyle(
+                    fontSize: 16,
+                    color: Colors.black.withOpacity(0.5),
+                  ),
+                ),
               ],
             ),
             Column(
               mainAxisAlignment: MainAxisAlignment.start,
               crossAxisAlignment: CrossAxisAlignment.end,
               children: [
-                Text(status.name),
-                const SizedBox(height: 10),
-                const Text("скоро начало")
+                Text(
+                  status.name,
+                  style: TextStyle(
+                    color: status.color,
+                    fontSize: 16,
+                  ),
+                ),
               ],
             )
           ],
-        ));
+        ),
+      ),
+    );
   }
 }

lib/main.dart

@@ -1,4 +1,7 @@
+import 'dart:developer';
+
 import 'package:flutter/material.dart';
+import 'package:secret_santa_flutter/components/bottom_navigation.dart';
 import 'package:secret_santa_flutter/components/room_card.dart';
 
 void main() {
@@ -8,113 +11,84 @@ void main() {
 class MyApp extends StatelessWidget {
   const MyApp({super.key});
 
-  // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
       title: 'Тайный дед мороз',
       theme: ThemeData(
-        // This is the theme of your application.
-        //
-        // Try running your application with "flutter run". You'll see the
-        // application has a blue toolbar. Then, without quitting the app, try
-        // changing the primarySwatch below to Colors.green and then invoke
-        // "hot reload" (press "r" in the console where you ran "flutter run",
-        // or simply save your changes to "hot reload" in a Flutter IDE).
-        // Notice that the counter didn't reset back to zero; the application
-        // is not restarted.
         primarySwatch: Colors.blue,
       ),
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
+      home: const MyHomePage(title: 'Тайный дед мороз'),
     );
   }
 }
 
 class MyHomePage extends StatefulWidget {
   const MyHomePage({super.key, required this.title});
 
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
-
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
   final String title;
 
   @override
   State<MyHomePage> createState() => _MyHomePageState();
 }
 
 class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
-  }
+  var selected = 0;
 
   @override
   Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
-    return Scaffold(
-      appBar: AppBar(
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
-        title: Text(widget.title),
-      ),
-      body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Invoke "debug painting" (press "p" in the console, choose the
-          // "Toggle Debug Paint" action from the Flutter Inspector in Android
-          // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
-          // to see the wireframe for each widget.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const RoomCard(
-                name: "aboa",
-                membersCount: 2,
-                status: RoomStatus.awaitingForAccept),
-            const Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headlineMedium,
+    return Material(
+      child: SafeArea(
+        child: Container(
+          color: Colors.white,
+          child: Center(
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: <Widget>[
+                SizedBox(
+                  height: 70,
+                  child: Container(
+                    alignment: Alignment.center,
+                    child: const Text(
+                      "Список комнат",
+                      style: TextStyle(
+                        fontSize: 22,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                  ),
+                ),
+                Expanded(
+                  child: Padding(
+                    padding: const EdgeInsets.symmetric(horizontal: 18.0),
+                    child: ListView.builder(
+                      itemCount: 2,
+                      itemBuilder: (context, idx) {
+                        return Container(
+                          padding: const EdgeInsets.only(bottom: 10.0),
+                          child: const RoomCard(
+                              name: "aboba",
+                              membersCount: 3,
+                              status: RoomStatus.awaitingForAccept),
+                        );
+                      },
+                    ),
+                  ),
+                ),
+                SizedBox(
+                  height: 100,
+                  child: BottomNavigation(
+                    onSelect: (int selected) {
+                      setState(() => this.selected = selected);
+                      log("Selected: $selected");
+                    },
+                  ),
+                )
+              ],
             ),
-          ],
+          ),
         ),
       ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
     );
   }
 }