Flutter UI #62: Fun with the Liquid Shrink SideMenu in Flutter


Fun with the Liquid Shrink SideMenu in Flutter
Flutter UI #62: Fun with the Liquid Shrink SideMenu in Flutter


shrink_sidemenu: ^2.0.0+2-null-safety

import 'package:flutter/material.dart';
import 'package:shrink_sidemenu/shrink_sidemenu.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Liquid Shrink SideMenu',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: const MyHomePage(title: 'Liquid Ui Shrink SideMenus'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;
  bool isOpened = false;

  final GlobalKey<SideMenuState> _sideMenuKey = GlobalKey<SideMenuState>();
  final GlobalKey<SideMenuState> _endSideMenuKey = GlobalKey<SideMenuState>();

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  toggleMenu([bool end = false]) {
    if (end) {
      final _state = _endSideMenuKey.currentState!;
      if (_state.isOpened) {
        _state.closeSideMenu();
      } else {
        _state.openSideMenu();
      }
    } else {
      final _state = _sideMenuKey.currentState!;
      if (_state.isOpened) {
        _state.closeSideMenu();
      } else {
        _state.openSideMenu();
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    return SideMenu(
      key: _endSideMenuKey,
      inverse: true, // end side menu
      background: Colors.green[700],
      type: SideMenuType.slideNRotate,
      menu: Padding(
        padding: const EdgeInsets.only(left: 25.0),
        child: buildMenu(),
      ),
      onChange: (_isOpened) {
        setState(() => isOpened = _isOpened);
      },
      child: SideMenu(
        key: _sideMenuKey,
        menu: buildMenu(),
        type: SideMenuType.slideNRotate,
        onChange: (_isOpened) {
          setState(() => isOpened = _isOpened);
        },
        child: IgnorePointer(
          ignoring: isOpened,
          child: Scaffold(
            appBar: AppBar(
              centerTitle: true,
              leading: IconButton(
                icon: const Icon(Icons.menu),
                onPressed: () => toggleMenu(),
              ),
              actions: [
                IconButton(
                  icon: const Icon(Icons.menu),
                  onPressed: () => toggleMenu(true),
                )
              ],
              title: Text(widget.title),
            ),
            body: Center(
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  const Text(
                    'You have pushed the button this many times:',
                  ),
                  Text(
                    '$_counter',
                    style: Theme.of(context).textTheme.headline4,
                  ),
                ],
              ),
            ),
            floatingActionButton: FloatingActionButton(
              onPressed: _incrementCounter,
              tooltip: 'Increment',
              child: const Icon(Icons.add),
            ),
          ),
        ),
      ),
    );
  }

  Widget buildMenu() {
    return SingleChildScrollView(
      padding: const EdgeInsets.symmetric(vertical: 50.0),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Padding(
            padding: const EdgeInsets.only(left: 16.0),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: const [
                CircleAvatar(
                  backgroundColor: Colors.white,
                  radius: 22.0,
                ),
                SizedBox(height: 16.0),
                Text(
                  "Hello, John Doe",
                  style: TextStyle(color: Colors.white),
                ),
                SizedBox(height: 20.0),
              ],
            ),
          ),
          ListTile(
            onTap: () {},
            leading: const Icon(Icons.home, size: 20.0, color: Colors.white),
            title: const Text("Home"),
            textColor: Colors.white,
            dense: true,
          ),
          ListTile(
            onTap: () {},
            leading: const Icon(Icons.verified_user,
                size: 20.0, color: Colors.white),
            title: const Text("Profile"),
            textColor: Colors.white,
            dense: true,
          ),
          ListTile(
            onTap: () {},
            leading: const Icon(Icons.monetization_on,
                size: 20.0, color: Colors.white),
            title: const Text("Wallet"),
            textColor: Colors.white,
            dense: true,
          ),
          ListTile(
            onTap: () {},
            leading: const Icon(Icons.shopping_cart,
                size: 20.0, color: Colors.white),
            title: const Text("Cart"),
            textColor: Colors.white,
            dense: true,
          ),
          ListTile(
            onTap: () {},
            leading:
            const Icon(Icons.star_border, size: 20.0, color: Colors.white),
            title: const Text("Favorites"),
            textColor: Colors.white,
            dense: true,
          ),
          ListTile(
            onTap: () {},
            leading:
            const Icon(Icons.settings, size: 20.0, color: Colors.white),
            title: const Text("Settings"),
            textColor: Colors.white,
            dense: true,
          ),
        ],
      ),
    );
  }
}

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