Badge Counter In Flutter

Badge Counter In Flutter :

Badge Counter In Flutter : Today We Will Discuss About how to create Budge counter in flutter.this flutter tutorial is very important.

First add the Dependency In Your Pubspec.yaml

dependencies:
  badges: ^1.0.0

In This Example i am not showing the pubspec.yaml file because it is pretty simple to add the dependency.

some options are available to control the badge counter in flutter the list of the options are given below

Widget BadgeContent : the content of badge.that is usually text or icon

Color badgeColor : to set the background color Badge Counter

Widget child : The main widget. By default it’s below the red badge. Usually Icon, IconButton, Text or button.

double elevetion : to Set the Shadow of the badge

bool toAnimate : Whether animate badge when badge content changed or not.

BadgePosition : Can be one of BadgePosition.topLeft(), BadgePosition.topRight(), BadgePosition.bottomLeft(), BadgePosition.bottomRight(). Sometimes you want to create unique badge position or create new one manually. 

EdgeInsets padding : to set the padding of badge content

Duration animationDuration : The duration of badge animation when badge content is changed.

BadgeAnimationType : Can be one of BadgeAnimationType.slide, BadgeAnimationType.scale or BadgeAnimationType.fade.

Badge Counter In Flutter
import 'package:flutter/material.dart';

class IconBadge extends StatefulWidget {

  final IconData icon;
  final double size;

  IconBadge({Key key, @required this.icon, @required this.size})
      : super(key: key);


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

class _IconBadgeState extends State<IconBadge> {
  @override
  Widget build(BuildContext context) {
    return Stack(
      children: <Widget>[
        Icon(
          widget.icon,
          size: widget.size,
        ),
        Positioned(
          right: 0.0,
          child: Container(
            padding: EdgeInsets.all(1),
            decoration: BoxDecoration(
              color: Colors.red,
              borderRadius: BorderRadius.circular(6),
            ),
            constraints: BoxConstraints(
              minWidth: 13,
              minHeight: 13,
            ),
            child: Padding(
              padding: EdgeInsets.only(top: 1),
              child:Text(
                "3",
                style: TextStyle(
                  color: Colors.white,
                  fontSize: 8,
                ),
                textAlign: TextAlign.center,
              ),
            ),
          ),
        ),
      ],
    );
  }
}

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