Favorite Button

favorite_button.dart

import 'package:flutter/material.dart';

class FavoriteButton extends StatefulWidget {
  const FavoriteButton({Key? key, required this.favorite}) : super(key: key);
  final bool favorite;

  @override
  State<FavoriteButton> createState() => _FavoriteButtonState();
}

class _FavoriteButtonState extends State<FavoriteButton> {
  bool favorite = false;

  @override
  void initState() {
    favorite = widget.favorite;
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Container(
      decoration: BoxDecoration(
          color: Colors.black.withOpacity(0.2), borderRadius: BorderRadius.circular(12)),
      child: IconButton(
        padding: EdgeInsets.zero,
        tooltip: "Favorit",
        onPressed: () {
          setState(() {
            favorite = !favorite;
          });
        },
        icon: Icon(
          Icons.favorite_rounded,
          color: favorite ? const Color.fromARGB(255, 255, 0, 0) : Colors.white,
        ),
      ),
    );
  }
}