import 'package:flutter/material.dart';

import 'tabs/Home.dart';

import 'tabs/Category.dart';

import 'tabs/Setting.dart';

class Tabs extends StatefulWidget {

  final index;

  Tabs({Key key, this.index = }) : super(key: key);

  _TabsState createState() => _TabsState(this.index);

}

class _TabsState extends State<Tabs> {

  int _currentIndex = ;

  _TabsState(index) {

    this._currentIndex = index;

  }

  List _pageList = [HomePage(), CategoryPage(), SettingPage()];

  @override

  Widget build(BuildContext context) {

    return Scaffold(

      appBar: AppBar(

        title: Text('Flutter Demo'),

      ),

      bottomNavigationBar: BottomNavigationBar(

          currentIndex: this._currentIndex,

          onTap: (int index) {

            // print(index);

            setState(() {

              this._currentIndex = index;

            });

          },

          iconSize: 36.0,

          type: BottomNavigationBarType.fixed,

          fixedColor: Colors.red,

          items: [

            BottomNavigationBarItem(icon: Icon(Icons.home), title: Text('首页')),

            BottomNavigationBarItem(

                icon: Icon(Icons.category), title: Text('分类')),

            BottomNavigationBarItem(

                icon: Icon(Icons.settings), title: Text('设置')),

          ]),

      body: this._pageList[this._currentIndex],

      drawer: Drawer(

        child: Column(

          children: <Widget>[

            Row(

              children: <Widget>[

                // Expanded(

                //   child: DrawerHeader(

                //     child: Text('你好Flutter'),

                //     decoration: BoxDecoration(

                //       // color: Colors.yellow

                //       image: DecorationImage(

                //         image: NetworkImage('https://www.itying.com/images/flutter/2.png'),

                //         fit:BoxFit.cover

                //       ),

                //     ),

                //   )

                // )

                Expanded(

                  child: UserAccountsDrawerHeader(

                    accountName: Text('老师你好'),

                    accountEmail: Text('gztt@163.com'),

                    currentAccountPicture: CircleAvatar(

                      backgroundImage: NetworkImage(

                          'https://www.itying.com/images/flutter/3.png'),

                    ),

                    decoration: BoxDecoration(

                      // color: Colors.yellow

                      image: DecorationImage(

                          image: NetworkImage(

                              'https://www.itying.com/images/flutter/2.png'),

                          fit: BoxFit.cover),

                    ),

                    otherAccountsPictures: <Widget>[

                      Image.network(

                          'https://www.itying.com/images/flutter/5.png'),

                      Image.network(

                          'https://www.itying.com/images/flutter/4.png')

                    ],

                  ),

                )

              ],

            ),

            ListTile(

                leading: CircleAvatar(

                  child: Icon(Icons.home),

                ),

                title: Text('我的空间')),

            Divider(),

            ListTile(

              leading: CircleAvatar(

                child: Icon(Icons.home),

              ),

              title: Text('用户中心'),

              onTap: () {

                Navigator.of(context).pop();

                Navigator.pushNamed(context, '/user');

              }

            ),

            Divider(),

            ListTile(

              leading: CircleAvatar(

                child: Icon(Icons.home),

              ),

              title: Text('用户中心'),

            )

          ],

        ),

      ),

      endDrawer: Drawer(

        child: Text('右侧侧边栏'),

      ),

    );

  }

}