PokeDex/lib/MainApp.dart

import 'package:flutter/material.dart';
import 'package:libacflutter/Constants.dart';
import 'package:pokedex/Session.dart';
import 'package:pokedex/pokemon.dart';

class MainApp extends StatefulWidget {
  @override
  _MainAppState createState() => _MainAppState();
}

class _MainAppState extends State<MainApp> {
  void toggleTheme() {
    setState(() {
      SessionData.darkMode = !SessionData.darkMode;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'PokeDex',
      theme: SessionData.darkMode ? ThemeData.dark() : ThemeData.light(),
      routes: {
        "/": (context) => Home(toggleTheme: toggleTheme),
        "/dex": (context) => DexEntry(),
      },
    );
  }
}

class Home extends StatefulWidget {
  final VoidCallback toggleTheme;

  Home({required this.toggleTheme});

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

class _HomeState extends State<Home> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('PokeDex'),
        backgroundColor:
            SessionData.darkMode
                ? LibACFlutterConstants.TITLEBAR_COLOR
                : Colors.cyan,
        actions: [
          IconButton(
            onPressed: widget.toggleTheme,
            icon:
                SessionData.darkMode
                    ? Icon(Icons.sunny)
                    : Icon(Icons.mode_night),
          ),
        ],
      ),
      body: Padding(
        padding: EdgeInsets.all(8),
        child: GridView.builder(
          itemBuilder: (builder, index) {
            return Card(
              elevation: 50,
              color: Color.fromARGB(255, 194, 94, 0),
              child: InkWell(
                onTap: () {
                  Navigator.pushNamed(context, "/dex", arguments: index);
                },
                child: SizedBox(
                  width: 300,
                  height: 300,
                  child: Column(
                    children: [
                      Image.asset(
                        Pokemon.values[index].toDexPath(),
                        width: 198,
                        height: 198,
                      ),
                      Text(
                        Pokemon.values[index].name,
                        style: TextStyle(fontSize: 32, color: Colors.black),
                      ),
                    ],
                  ),
                ),
              ),
            );
          },
          itemCount: Pokemon.values.length,
          gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
            crossAxisCount: 4,
          ),
        ),
      ),
    );
  }
}

class DexEntry extends StatefulWidget {
  @override
  _DexEntryState createState() => _DexEntryState();
}

class _DexEntryState extends State<DexEntry> {
  Pokemon _pkmn = Pokemon.Bulbasaur;

  @override
  void didChangeDependencies() {
    int index = ModalRoute.of(context)!.settings.arguments as int;
    _pkmn = Pokemon.values[index];
    super.didChangeDependencies();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(_pkmn.name),
        backgroundColor:
            SessionData.darkMode
                ? LibACFlutterConstants.TITLEBAR_COLOR
                : Colors.cyan,
      ),
      body: Padding(
        padding: EdgeInsets.all(8),
        child: Column(
          children: [
            Image.asset(_pkmn.toDexPath()),
            Text("ID: ${_pkmn.id}", style: TextStyle(fontSize: 24)),
            Row(
              children: [
                Text("Type: ", style: TextStyle(fontSize: 24)),
                _pkmn.getTypeWidgets(),
              ],
            ),
            SizedBox(height: 24),
            if (_pkmn.hasEvolutions)
              Row(
                children: [
                  Text("Evolutions: ", style: TextStyle(fontSize: 24)),
                  _pkmn.getEvolutions(0),
                ],
              ),
          ],
        ),
      ),
    );
  }
}