flutter-曲线底部导航栏

curved_nav_bar

Bottom nav bar with FAB and center text, You can use FAB as a middle tab or perform other operations like, open popup or open camera (pub.dev).

Screenshots

Usage

Example

To use this package :

• add the dependency to your pubspec.yaml file.

dependencies:
   flutter:
     sdk: flutter
   curved_nav_bar:

Getting started

To start, import the dependency in your code:

import 'package:curved_nav_bar/curved_bar/curved_action_bar.dart';
import 'package:curved_nav_bar/fab_bar/fab_bottom_app_bar_item.dart';
import 'package:curved_nav_bar/flutter_curved_bottom_nav_bar.dart';

The following options are available for CurvedNavBar:

Property	Type	Description
appBarItems	List	List of FABBottomAppBarItem,length of appBarItems should be equal to the length of bodyItems
bodyItems	List	List of Widget,length of bodyItems should be equal to the length of appBarItems
extendBody	bool	extendBody default value always true
actionButton	CurvedActionBar	Typically a FloatingActionButton
activeColor	Color	Color of selected tab activeColor default value always Colors.black
inActiveColor	Color	Color of unselected tab inActiveColor default value always Colors.black26
navBarBackgroundColor	Color	background Color of navigation bar navBarBackgroundColor default value always Colors.white
actionBarView	Widget	Set as scaffold body when actionButton selected

Options for FABBottomAppBarItem are:

Property	Type	Description
activeIcon	Widget	selected icon of navigation bar item
inActiveIcon	Widget	unselected icon of navigation bar item
text	String	label of navigation bar item

Options for CurvedActionBar are:

Property	Type	Description
activeIcon	Widget	selected icon for actionButton
inActiveIcon	Widget	unselected icon of actionButton
text	String	text label for actionButton
onTab	ValueChanged	return bool value when tab on actionButton

How to use

import 'package:flutter/material.dart';
import 'package:curved_nav_bar/curved_bar/curved_action_bar.dart';
import 'package:curved_nav_bar/fab_bar/fab_bottom_app_bar_item.dart';
import 'package:curved_nav_bar/flutter_curved_bottom_nav_bar.dart';
void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

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

  final String title;

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

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return CurvedNavBar(
      actionButton: CurvedActionBar(
          onTab: (value) {
            /// perform action here
            print(value);
          },
          activeIcon: Container(
            padding: EdgeInsets.all(8),
            decoration:
                BoxDecoration(color: Colors.white, shape: BoxShape.circle),
            child: Icon(
              Icons.camera_alt,
              size: 50,
              color: Colors.orange,
            ),
          ),
          inActiveIcon: Container(
            padding: EdgeInsets.all(8),
            decoration:
                BoxDecoration(color: Colors.white70, shape: BoxShape.circle),
            child: Icon(
              Icons.camera_alt_outlined,
              size: 50,
              color: Colors.orange,
            ),
          ),
          text: "Camera"),
      activeColor: Colors.blue,
      navBarBackgroundColor: Colors.limeAccent,
      inActiveColor: Colors.black45,
      appBarItems: [
        FABBottomAppBarItem(
            activeIcon: Icon(
              Icons.home,
              color: Colors.blue,
            ),
            inActiveIcon: Icon(
              Icons.home,
              color: Colors.black26,
            ),
            text: 'Home'),
        FABBottomAppBarItem(
            activeIcon: Icon(
              Icons.wallet_giftcard,
              color: Colors.blue,
            ),
            inActiveIcon: Icon(
              Icons.wallet_giftcard,
              color: Colors.black26,
            ),
            text: 'Wallet'),
      ],
      bodyItems: [
        Container(
          height: MediaQuery.of(context).size.height,
          color: Colors.blue,
        ),
        Container(
          height: MediaQuery.of(context).size.height,
          color: Colors.pinkAccent,
        )
      ],
      actionBarView: Container(
        height: MediaQuery.of(context).size.height,
        color: Colors.orange,
      ),
    );
  }
}

Pull Requests

Pull requests are most welcome. It usually will take me within 24-48 hours to respond to any issue or request.

1. Please keep PR titles easy to read and descriptive of changes, this will make them easier to merge :)
2. Pull requests must be made against develop branch. Any other branch (unless specified by the maintainers) will get rejected.

Created & Maintained By

Boffin Coders Pvt. Ltd.

If you found this project helpful or you learned something from the source code and want to thank me, consider buying me a cup of :coffee:

• PayPal

License

Copyright 2018 Boffin Coders Pvt. Ltd.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.