circular_bar 0.1.0

A decorated circular bar that can be used as bottom navigation bar or tabs, And it depends of it`s item count on the index

example/example.dart

import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // 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 THIS: Try running your application with "flutter run". You'll see
        // the application has a blue toolbar. Then, without quitting the app,
        // try changing the seedColor in the colorScheme below to Colors.green
        // and then invoke "hot reload" (save your changes or press the "hot
        // reload" button in a Flutter-supported IDE, or press "r" if you used
        // the command line to start the app).
        //
        // Notice that the counter didn't reset back to zero; the application
        // state is not lost during the reload. To reset the state, use hot
        // restart instead.
        //
        // This works for code too, not just values: Most code changes can be
        // tested with just a hot reload.
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

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

  // 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
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  bool h= true;
  bool p = false;
  bool s = false;
  bool c = false;
  @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(
        // TRY THIS: Try changing the color here to a specific color (to
        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
        // change color while the other colors stay the same.
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        // 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: 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:[
            Padding(padding:EdgeInsets.only(left: 15,right: 15) ,
              child: Container(
                width: double.infinity,
                height: 60,
                padding: EdgeInsets.only(left: 20,right: 20),
                decoration: BoxDecoration(
                    color: Colors.grey,
                    borderRadius:BorderRadius.only(topLeft:Radius.circular(25),bottomLeft: Radius.circular(25),
                        topRight: Radius.circular(25),bottomRight: Radius.circular(25))
                ),
                child:Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    CircleAvatar(
                      backgroundColor:h==true? Colors.blue:null,
                      child: IconButton(onPressed: (){
                        setState(() {
                          h=true;
                          p = false;
                          s = false;
                          c = false;
                        });
                      },
                          icon: Icon(Icons.home,color: Colors.white,)),
                    ),
                    CircleAvatar(
                      backgroundColor:c==true? Colors.blue:null,
                      child:  IconButton(onPressed: (){
                        setState(() {
                          h=false;
                          p = false;
                          s = false;
                          c = true;
                        });
                      },
                          icon: Icon(Icons.shopping_cart,color: Colors.white)),
                    ),
                    CircleAvatar(
                      backgroundColor:p==true? Colors.blue:null,
                      child: IconButton(onPressed: (){
                        setState(() {
                          h=false;
                          p = true;
                          s = false;
                          c = false;
                        });
                      },
                          icon: Icon(Icons.person,color: Colors.white)),
                    ),
                    CircleAvatar(
                      backgroundColor:s==true? Colors.blue:null,
                      child:  IconButton(onPressed: (){
                        setState(() {
                          h=false;
                          p = false;
                          s = true;
                          c = false;
                        });
                      },
                          icon: Icon(Icons.settings,color:Colors.white)),
                    )
                  ],
                ) ,
              ),
            )
          ],
        ),
      ),

    );
  }
}