Showing posts with label BottomNavigationBar. Show all posts
Showing posts with label BottomNavigationBar. Show all posts

Tuesday, 12 November 2024

Flutter Bottom Navigation UI

CurvedBottomBarM3.dart
=======================


import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; import 'package:flutter_ui_screens/screens/bottombar/SampleTestScreen.dart'; class CurvedBottomBarM3 extends StatefulWidget { @override _CurvedBottomBarM3State createState() => _CurvedBottomBarM3State(); } class _CurvedBottomBarM3State extends State<CurvedBottomBarM3> { int _selectedIndex = 0; void _onItemTapped(int index) { setState(() { _selectedIndex = index; }); } _getBody() { switch (_selectedIndex) { case 0: return SampleTestPage("Home"); case 1: return SampleTestPage("Search"); case 2: return SampleTestPage("Cart"); case 3: return SampleTestPage("Wishlist"); case 4: return SampleTestPage("Profile"); default: return Container(color: Colors.red); } } Widget buildTabItem( {required IconData icon, required String label, required int index}) { final isSelected = _selectedIndex == index; return Column( mainAxisSize: MainAxisSize.min, children: [ SizedBox( height: 30, width: 30, child: IconButton( padding: const EdgeInsets.all(0), icon: Icon(icon), onPressed: () => _onItemTapped(index), color: isSelected ? Colors.red : Colors.grey, ), ), Text( label, style: TextStyle( fontSize: 11, color: isSelected ? Colors.red : Colors.grey, ), ), Container(height: 3), Container( decoration: BoxDecoration( color: index == _selectedIndex ? Colors.red : Colors.transparent, shape: BoxShape.circle, ), height: 5, width: 5, ), ], ); } @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( elevation: 2, title: const Text("Custom Bottom Navigation"), ), body: _getBody(), bottomNavigationBar: BottomAppBar( shape: const CircularNotchedRectangle(), color: Colors.white, notchMargin: 8, // Increased notch margin child: Padding( padding: const EdgeInsets.symmetric(horizontal: 15.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceBetween, children: <Widget>[ buildTabItem(icon: CupertinoIcons.home, label: "Home", index: 0), buildTabItem( icon: CupertinoIcons.search, label: "Search", index: 1), SizedBox(width: 40), // Spacing for the floating button buildTabItem( icon: CupertinoIcons.heart, label: "Wishlist", index: 2), buildTabItem( icon: CupertinoIcons.settings, label: "Settings", index: 3), ], ), ), ), floatingActionButtonLocation: FloatingActionButtonLocation .centerDocked, // Changed from centerDocked to centerFloat floatingActionButton: Stack( alignment: Alignment.center, children: [ // Custom shadow using a Container Container( width: 60, height: 60, decoration: BoxDecoration( shape: BoxShape.circle, boxShadow: [ BoxShadow( color: Colors.red.withOpacity(0.3), // Shadow color spreadRadius: 8, blurRadius: 15, ), ], ), ), // FloatingActionButton on top FloatingActionButton( shape: CircleBorder(), onPressed: () { // Action for the FAB }, child: Icon( Icons.shopping_basket, color: Colors.white, ), backgroundColor: Colors.red, elevation: 0, // Set to 0 to avoid default shadow ), ], ), ); } }


SampleTestPage.dart
====================

import 'package:flutter/material.dart'; class SampleTestPage extends StatefulWidget { String pageTitle; SampleTestPage(this.pageTitle, {super.key}); @override State<SampleTestPage> createState() => _SampleTestPageState(); } class _SampleTestPageState extends State<SampleTestPage> { @override Widget build(BuildContext context) { return Scaffold( body: Container( child: Center( child: Text( widget.pageTitle, style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w300), )), ), ); } }


Customise bottom bar tab item selection based on requirement using this buildTabItem code


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Screenshots
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Tuesday, 28 August 2018

Flutter BottomNavigation Example







main.dart
=======

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import 'package:flutter/material.dart';

import 'package:akeepo/bottomnavigation.dart';
void main() => runApp(MyApp());

class MyApp extends StatelessWidget {


  @override  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        primarySwatch: Colors.blue,

      ),
      home: BottomNavigation(),

    );
  }
}



bottomnavigation.dart

==================



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import 'package:flutter/material.dart';

class BottomNavigation extends StatefulWidget {
  @override  _BottomNavigation createState() => new _BottomNavigation();
}

// SingleTickerProviderStateMixin is used for animation

class _BottomNavigation extends State<BottomNavigation>
    with SingleTickerProviderStateMixin {
  int _currentIndex = 0;

  void onTabTapped(int index) {
    setState(() {
      _currentIndex = index;
    });
  }

  final List<Widget> _children = [
    new DialledCallsPage(),
    new MissedCallsPage(),
    new ReceivedCallsPage()
  ];

  @override  Widget build(BuildContext context) {
    return new Scaffold(
        // Appbar        appBar: new AppBar(
          // Title          title: new Text("Bottom Navigation"),
          // Set the background color of the App Bar          backgroundColor: Colors.blue,
        ),
        body: _children[_currentIndex],

        // Set the bottom navigation bar        
bottomNavigationBar: BottomNavigationBar(
            onTap: onTabTapped,
            currentIndex: _currentIndex,
            items: [
              BottomNavigationBarItem(
                  icon: new Icon(Icons.call_made),
                  title: new Text('All Calls')),
              BottomNavigationBarItem(
                  icon: new Icon(Icons.call_missed), title: new Text('Missed')),
              BottomNavigationBarItem(
                  icon: new Icon(Icons.call_received),
                  title: new Text('Received')),
            ]));
  }
}

List<Contact> missedCallContacts = [
  Contact(fullName: 'Pratap Kumar', email: 'pratap@example.com'),
  Contact(fullName: 'Jagadeesh', email: 'Jagadeesh@example.com'),
  Contact(fullName: 'Srinivas', email: 'Srinivas@example.com'),
  Contact(fullName: 'Narendra', email: 'Narendra@example.com'),
  Contact(fullName: 'Sravan ', email: 'Sravan@example.com'),
  Contact(fullName: 'Ranganadh', email: 'Ranganadh@example.com'),
  Contact(fullName: 'Karthik', email: 'Karthik@example.com'),
  Contact(fullName: 'Saranya', email: 'Saranya@example.com'),
  Contact(fullName: 'Mahesh', email: 'Mahesh@example.com'),
];

List<Contact> receivedCallContacts = [
  Contact(fullName: 'Pratap Kumar', email: 'pratap@example.com'),
  Contact(fullName: 'Jagadeesh', email: 'Jagadeesh@example.com'),
  Contact(fullName: 'Srinivas', email: 'Srinivas@example.com'),
];

List<Contact> dialledCallContacts = [
  Contact(fullName: 'Ranganadh', email: 'Ranganadh@example.com'),
  Contact(fullName: 'Karthik', email: 'Karthik@example.com'),
  Contact(fullName: 'Saranya', email: 'Saranya@example.com'),
  Contact(fullName: 'Mahesh', email: 'Mahesh@example.com'),
];

class MissedCallsPage extends StatefulWidget {
  @override  State<StatefulWidget> createState() {
    return new _MissedCallsPage();
  }
}

class _MissedCallsPage extends State<MissedCallsPage> {
  @override  Widget build(BuildContext context) {
    return Scaffold(
        body: new Column(
      children: <Widget>[
        new Expanded(
          child: new ListView.builder(
            itemCount: missedCallContacts.length,
            itemBuilder: (context, index) {
              return ListTile(
                title: Text(
                  '${missedCallContacts[index].fullName}',
                ),
                subtitle: Text('${missedCallContacts[index].email}'),
                leading: new CircleAvatar(
                    backgroundColor: Colors.blue,
                    child: Text('${missedCallContacts[index].fullName.substring(
                                0, 1)}')),
                onTap: () => _onTapItem(context, missedCallContacts[index]),
              );
            },
          ),
        ),
      ],
    ));
  }

  void _onTapItem(BuildContext context, Contact post) {
    Scaffold.of(context).showSnackBar(
        new SnackBar(content: new Text("Tap on " + ' - ' + post.fullName)));
  }
}

class ReceivedCallsPage extends StatefulWidget {
  @override  State<StatefulWidget> createState() {
    return new _ReceivedCallsPage();
  }
}

class _ReceivedCallsPage extends State<ReceivedCallsPage> {
  @override  Widget build(BuildContext context) {
    return Scaffold(
        body: new Column(
      children: <Widget>[
        new Expanded(
          child: new ListView.builder(
            itemCount: receivedCallContacts.length,
            itemBuilder: (context, index) {
              return ListTile(
                title: Text(
                  '${receivedCallContacts[index].fullName}',
                ),
                subtitle: Text('${receivedCallContacts[index].email}'),
                leading: new CircleAvatar(
                    backgroundColor: Colors.blue,
                    child:
                        Text('${receivedCallContacts[index].fullName.substring(
                            0, 1)}')),
                onTap: () => _onTapItem(context, receivedCallContacts[index]),
              );
            },
          ),
        ),
      ],
    ));
  }

  void _onTapItem(BuildContext context, Contact post) {
    Scaffold.of(context).showSnackBar(
        new SnackBar(content: new Text("Tap on " + ' - ' + post.fullName)));
  }
}

class DialledCallsPage extends StatefulWidget {
  @override  State<StatefulWidget> createState() {
    return new _DialledCallsPage();
  }
}

class _DialledCallsPage extends State<DialledCallsPage> {
  @override  Widget build(BuildContext context) {
    return Scaffold(
        body: new Column(
      children: <Widget>[
        new Expanded(
          child: new ListView.builder(
            itemCount: dialledCallContacts.length,
            itemBuilder: (context, index) {
              return ListTile(
                title: Text(
                  '${dialledCallContacts[index].fullName}',
                ),
                subtitle: Text('${dialledCallContacts[index].email}'),
                leading: new CircleAvatar(
                    backgroundColor: Colors.blue,
                    child:
                        Text('${dialledCallContacts[index].fullName.substring(
                            0, 1)}')),
                onTap: () => _onTapItem(context, dialledCallContacts[index]),
              );
            },
          ),
        ),
      ],
    ));
  }

  void _onTapItem(BuildContext context, Contact post) {
    Scaffold.of(context).showSnackBar(
        new SnackBar(content: new Text("Tap on " + ' - ' + post.fullName)));
  }
}

class Contact {
  final String fullName;
  final String email;

  const Contact({this.fullName, this.email});
}

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