navigation_bar

A new Flutter project.

Getting Started

For help getting started with Flutter, view our online documentation.

For help on editing package code, view the documentation.

##How to use ?

  1. Depend on it
dependencies:
  navigation_bar: "^0.0.1"
  1. Install it
$ flutter packages get
  1. Import it
import 'package:navigation_bar/navigation_tab_bar.dart';

##Example

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

class _HomePageState extends State<HomePage> with TickerProviderStateMixin {
  @override
  void initState() {
    super.initState();
  }

  @override
  void dispose() {
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    var accentBackgroundColors = const Color(0xffe71d36);
    return new NavigationTabBar(
      onTap: (value, previousIndex) {},
      tabBuilder: (BuildContext context, int index) {
        return new LoginScreen();
      },
      navigationViews: <NavigationPageView>[
        new NavigationPageView(
          icon: const Icon(Icons.home),
          title: '首页',
          color: const Color(0xffe71d36),
          vsync: this,
        ),
        new NavigationPageView(
          icon: const Icon(Icons.notifications),
          title: '卡包',
          color: accentBackgroundColors,
          vsync: this,
        ),
        new NavigationPageView(
          icon: const Icon(Icons.menu),
          title: '账户',
          color: accentBackgroundColors,
          vsync: this,
        ),
      ],
    );
  }
}

Libraries

Dart

dart:ui
Built-in types and core primitives for a Flutter application. [...]

Core

dart:async
Support for asynchronous programming, with classes such as Future and Stream. [...]
dart:collection
Classes and utilities that supplement the collection support in dart:core. [...]
dart:convert
Encoders and decoders for converting between different data representations, including JSON and UTF-8. [...]
dart:core
Built-in types, collections, and other core functionality for every Dart program. [...]
dart:developer
Interact with developer tools such as the debugger and inspector. [...]
dart:math
Mathematical constants and functions, plus a random number generator. [...]
dart:typed_data
Lists that efficiently handle fixed sized data (for example, unsigned 8 byte integers) and SIMD numeric types. [...]

VM

dart:io
File, socket, HTTP, and other I/O support for non-web applications. [...]
dart:isolate
Concurrent programming using isolates: independent workers that are similar to threads but don't share memory, communicating only via messages. [...]