custom_tab_bar 0.1.2

高度自定义TabBar

example/lib/main.dart

import 'package:custom_tab_bar/custom_tab_bar.dart';
import 'package:custom_tab_bar/custom_tab_configs.dart';
import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      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,
        // This makes the visual density adapt to the platform that you run
        // the app on. For desktop platforms, the controls will be smaller and
        // closer together (more dense) than on mobile platforms.
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      // home: MyHomePage(title: 'Flutter Demo Home Page'),
      home: TestCustomTabBar(
        title: 'test tabbar',
      ),
    );
  }
}

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

  // 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
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;
  String _string = '已入金';

  @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),
      ),
      bottomNavigationBar: HSYCustomTabBar(
        initTabBarConfigs: HSYCustomTabBarConfigs(
          itemConfigs: [
            HSYCustomTabBarItemConfigs(text: '已入金'),
            HSYCustomTabBarItemConfigs(text: '已注册'),
            HSYCustomTabBarItemConfigs(text: '已交易'),
            HSYCustomTabBarItemConfigs(text: '已认证'),
            HSYCustomTabBarItemConfigs(text: '已理财'),
            HSYCustomTabBarItemConfigs(text: '已登录')
          ],
          indicatorConfig:
              HSYCustomTabBarIndicatorConfig.indicator3(Size(20.0, 2.0)),
        ),
        onChanged: (int index, HSYCustomTabBarItemConfigs itemConfigs) {
          setState(() {
            _string = itemConfigs.text;
            _counter = index;
            print('--------------${_string}-----------${_counter}');
          });
        },
      ),
      body: Center(
        // Center is a layout widget. It takes a single child and positions it
        // in the middle of the parent.
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              _string,
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headline4,
            ),
          ],
        ),
      ),
    );
  }
}

class TestCustomTabBar extends StatefulWidget {
  final String title;

  TestCustomTabBar({
    Key key,
    this.title,
  }) : super(key: key);

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

class _TestCustomTabBarState extends State<TestCustomTabBar>
    with TickerProviderStateMixin {
  TabController _tabController;
  List<HSYCustomTabBarItemConfigs> _configs;

  @override
  void initState() {
    // TODO: implement initState
    super.initState();

    _configs = [
      HSYCustomTabBarItemConfigs(text: '已入金'),
      HSYCustomTabBarItemConfigs(text: '已注册'),
      HSYCustomTabBarItemConfigs(text: '已交易'),
      HSYCustomTabBarItemConfigs(text: '已认证'),
      HSYCustomTabBarItemConfigs(text: '已理财'),
      HSYCustomTabBarItemConfigs(text: '已登录')
    ];
    _tabController = TabController(
      length: _configs.length,
      vsync: this,
    )..addListener(() {
        print(
            '------------_tabController.index=${_tabController.index}---------');
      });
  }

  @override
  Widget build(BuildContext context) {
    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: Column(
        children: [
          HSYCustomTabBar(
            tabController: _tabController,
            initTabBarConfigs: HSYCustomTabBarConfigs(
              itemConfigs: _configs,
              indicatorConfig:
                  HSYCustomTabBarIndicatorConfig.indicator3(Size(20.0, 2.0)),
            ),
            onChanged: (int index, HSYCustomTabBarItemConfigs itemConfigs) {
              print(
                  '------------index=${index}----------itemConfigs.text:${itemConfigs.text}');
            },
          ),
        ],
      ),
    );
  }
}