Envelope/mobile/lib/components/custom_circle_avatar.dart

import 'package:flutter/material.dart';

enum AvatarTypes {
  initials,
  icon,
  image,
}

class CustomCircleAvatar extends StatefulWidget {
  final String? initials;
  final Icon? icon;
  final String? imagePath;
  final double radius;

  const CustomCircleAvatar({
      Key? key,
      this.initials,
      this.icon,
      this.imagePath,
      this.radius = 20,
  }) : super(key: key);

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

class _CustomCircleAvatarState extends State<CustomCircleAvatar>{
  AvatarTypes type = AvatarTypes.image;

  @override
  void initState() {
      super.initState();

      if (widget.imagePath != null) {
          type = AvatarTypes.image;
          return;
      }

      if (widget.icon != null) {
          type = AvatarTypes.icon;
          return;
      }

      if (widget.initials != null) {
          type = AvatarTypes.initials;
          return;
      }

      throw ArgumentError('Invalid arguments passed to CustomCircleAvatar');
  }

  Widget avatar() {
    if (type == AvatarTypes.initials) {
      return CircleAvatar(
          backgroundColor: Colors.grey[300],
          child: Text(widget.initials!),
          radius: widget.radius,
      );
    }

    if (type == AvatarTypes.icon) {
      return CircleAvatar(
          backgroundColor: Colors.grey[300],
          child: widget.icon,
          radius: widget.radius,
      );
    }

    return CircleAvatar(
        backgroundImage: AssetImage(widget.imagePath!),
        radius: widget.radius,
    );
  }

  @override
  Widget build(BuildContext context) {
    return avatar();
  }
}