slide_drawer 1.0.0

An easy way to create a drawer with nice sliding animation.

example/lib/main.dart

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

void main() {
  runApp(App());
}

class App extends StatefulWidget {
  @override
  _AppState createState() => _AppState();
}

enum SlideDrawerExampleType {
  BASIC, 
  BACKGROUND, 
  GRADIENT,
  HEAD_DRAWER,
  CONTENT_DRAWER,
  HEAD_CONTENT_DRAWER,
  FULL_DRAWER,
}

class _AppState extends State<App> {

  Key _appKey = UniqueKey();
  SlideDrawerExampleType type = SlideDrawerExampleType.BASIC;

  bool get _isBasic => type == SlideDrawerExampleType.BASIC;
  bool get _isBackground => type == SlideDrawerExampleType.BACKGROUND;
  bool get _isGradient => type == SlideDrawerExampleType.GRADIENT;
  bool get _isHead => type == SlideDrawerExampleType.HEAD_DRAWER;
  bool get _isContent => type == SlideDrawerExampleType.CONTENT_DRAWER;
  bool get _isHeadContent => type == SlideDrawerExampleType.HEAD_CONTENT_DRAWER;
  bool get _isFullDrawer => type == SlideDrawerExampleType.FULL_DRAWER;

  List<MenuItem> get _items => [
    MenuItem('Basic', onTap: () => _changeType(SlideDrawerExampleType.BASIC)),
    MenuItem('Custom Background', onTap: () => _changeType(SlideDrawerExampleType.BACKGROUND)),
    MenuItem('Custom Gradient', onTap: () => _changeType(SlideDrawerExampleType.GRADIENT)),
    MenuItem('Custom Header', onTap: () => _changeType(SlideDrawerExampleType.HEAD_DRAWER)),
    MenuItem('Custom Content', onTap: () => _changeType(SlideDrawerExampleType.CONTENT_DRAWER)),
    MenuItem('Header and Content', onTap: () => _changeType(SlideDrawerExampleType.HEAD_CONTENT_DRAWER)),
    MenuItem('Full Drawer', onTap: () => _changeType(SlideDrawerExampleType.FULL_DRAWER)),
  ];

  List<MenuItem> get _itemsIcon => [
    MenuItem('Basic', icon: Icons.rss_feed, onTap: () => _changeType(SlideDrawerExampleType.BASIC)),
    MenuItem('Custom Background', icon: Icons.favorite_border, onTap: () => _changeType(SlideDrawerExampleType.BACKGROUND)),
    MenuItem('Custom Gradient', icon: Icons.mail_outline, onTap: () => _changeType(SlideDrawerExampleType.GRADIENT)),
    MenuItem('Custom Header', icon: Icons.map, onTap: () => _changeType(SlideDrawerExampleType.HEAD_DRAWER)),
    MenuItem('Custom Content', icon: Icons.person_outline, onTap: () => _changeType(SlideDrawerExampleType.CONTENT_DRAWER)),
    MenuItem('Header and Content', icon: Icons.alarm, onTap: () => _changeType(SlideDrawerExampleType.HEAD_CONTENT_DRAWER)),
    MenuItem('Full Drawer', icon: Icons.settings, onTap: () => _changeType(SlideDrawerExampleType.FULL_DRAWER)),
  ];

  _changeType(type) {
    if(mounted) setState(() {
      this.type = type;
      _appKey = UniqueKey();
    });
  }

  Widget get _home {
    if(_isBasic) return _basic;
    if(_isBackground) return _background;
    if(_isGradient) return _gradient;
    if(_isHead) return _head;
    if(_isContent) return _content;
    if(_isHeadContent) return _headContent;
    if(_isFullDrawer) return _fullDrawer;
    return _basic;
  }

  Widget get _basic => SlideDrawer(
    child: HomePage(),
    items: _items,
  );

  Widget get _background => SlideDrawer(
    child: HomePage(),
    brightness: Brightness.dark,
    backgroundColor: Colors.blue[900],
    items: _items,
  );

  Widget get _gradient => SlideDrawer(
    child: HomePage(),
    brightness: Brightness.dark,
    backgroundGradient: LinearGradient(
      begin: Alignment.topCenter,
      end: Alignment.bottomCenter,
      stops: [0.0, 1.0], 
      colors: [
        Color(0xFF000046),
        Color(0xFF1CB5E0),
      ],
    ),
    curve: Curves.easeInOut,
    items: _itemsIcon,
  );

  Widget get _head => SlideDrawer(
    child: HomePage(),
    brightness: Brightness.dark,
    backgroundColor: Colors.blue[800],
    headDrawer: Image.asset('boys.png'),
    alignment: SlideDrawerAlignment.start,
    items: _itemsIcon,
  );

  Widget get _content => SlideDrawer(
    child: HomePage(),
    brightness: Brightness.dark,
    contentDrawer: Container(
      padding: EdgeInsets.symmetric(horizontal: 5),
      child: Column(
        children: [
          for(var item in _itemsIcon) ListTile(
            title: Text(item.title),
            leading: Icon(item.icon),
            onTap: item.onTap,
          ),
        ],
      ),
    ),
    backgroundGradient: LinearGradient(
      begin: Alignment.topCenter,
      end: Alignment.bottomCenter,
      stops: [0.0, 1.0], 
      colors: [
        Colors.blue[800],
        Color(0xFF1CB5E0),
      ],
    ),
  );

  Widget get _headContent => SlideDrawer(
    child: HomePage(),
    brightness: Brightness.light,
    backgroundColor: Color(0xffededed),
    alignment: SlideDrawerAlignment.start,
    headDrawer: Image.asset('boys.png'),
    contentDrawer: Container(
      padding: EdgeInsets.only(left: 10, top: 18),
      child: Column(
        children: [
          for(var item in _itemsIcon) ListTile(
            title: Text(item.title),
            leading: Icon(item.icon),
            onTap: item.onTap,
          ),
        ],
      ),
    ),
  );

  Widget get _fullDrawer => SlideDrawer(
    child: HomePage(),
    isRotate: false,
    offsetFromRight: 100,
    drawer: Container(
      color: Colors.teal,
      padding: EdgeInsets.symmetric(vertical: 36, horizontal: 15),
      child: Theme(
        data: ThemeData(brightness: Brightness.dark),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.end,
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            for(var item in _items) ListTile(
              title: Text(item.title),
              onTap: item.onTap,
            ),
          ],
        ),
      ),
    ),
  );

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      key: _appKey,
      title: 'Slide Drawer Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: _home,
    );
  }
}

class HomePage extends StatefulWidget {
  @override
  _HomePageState createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  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++;
    });
  }

  @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('Slide Drawer Demo'),
        leading: IconButton(
          icon: Icon(Icons.menu),
          // call toggle from SlideDrawer to alternate between open and close
          // when pressed menu button
          onPressed: () => SlideDrawer.of(context).toggle(),
        ),
      ),
      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>[
            Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headline4,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}