flutter/examples/api/lib/material/animated_icon/animated_icons_data.0.dart

// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter/material.dart';

/// Flutter code sample for [AnimatedIcon].

final Map<String, AnimatedIconData> iconsList = <String, AnimatedIconData>{
  'add_event': AnimatedIcons.add_event,
  'arrow_menu': AnimatedIcons.arrow_menu,
  'close_menu': AnimatedIcons.close_menu,
  'ellipsis_search': AnimatedIcons.ellipsis_search,
  'event_add': AnimatedIcons.event_add,
  'home_menu': AnimatedIcons.home_menu,
  'list_view': AnimatedIcons.list_view,
  'menu_arrow': AnimatedIcons.menu_arrow,
  'menu_close': AnimatedIcons.menu_close,
  'menu_home': AnimatedIcons.menu_home,
  'pause_play': AnimatedIcons.pause_play,
  'play_pause': AnimatedIcons.play_pause,
  'search_ellipsis': AnimatedIcons.search_ellipsis,
  'view_list': AnimatedIcons.view_list,
};

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(
        colorSchemeSeed: const Color(0xff6750a4),
        useMaterial3: true,
      ),
      home: const Scaffold(
        body: AnimatedIconExample(),
      ),
    );
  }
}

class AnimatedIconExample extends StatefulWidget {
  const AnimatedIconExample({super.key});

  @override
  State<AnimatedIconExample> createState() => _AnimatedIconExampleState();
}

class _AnimatedIconExampleState extends State<AnimatedIconExample> with SingleTickerProviderStateMixin {
  late AnimationController controller;
  late Animation<double> animation;

  @override
  void initState() {
    super.initState();
    controller = AnimationController(
      vsync: this,
      duration: const Duration(seconds: 2),
    )
      ..forward()
      ..repeat(reverse: true);
    animation = Tween<double>(begin: 0.0, end: 1.0).animate(controller);
  }

  @override
  void dispose() {
    controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: GridView(
        gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
          crossAxisCount: 4,
        ),
        children: iconsList.entries.map((MapEntry<String, AnimatedIconData> entry) {
          return Card(
            child: Center(
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  AnimatedIcon(
                    icon: entry.value,
                    progress: animation,
                    size: 72.0,
                    semanticLabel: entry.key,
                  ),
                  const SizedBox(height: 8.0),
                  Text(entry.key),
                ],
              ),
            ),
          );
        }).toList(),
      ),
    );
  }
}