Untitled

import 'package:dicoding_news_app/article_list_page.dart';
import 'package:dicoding_news_app/styles.dart';
import 'package:dicoding_news_app/widgets/platform_widget.dart';
import 'package:flutter/cupertino.dart';
import 'article.dart';
import 'detail_page.dart';
import 'package:flutter/material.dart';

class HomePage extends StatefulWidget {
  static const routeName = '/article_list';

  const HomePage({Key? key}) : super(key: key);

  @override
  State<HomePage> createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  int bottomNavIndex = 0;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          title: const Text(
            'News App',
          ),
        ),
        body: PlatformWidget(
            androidBuilder: _buildAndroid, iosBuilder: _buildIos));
  }

    Widget _buildAndroid(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('News App Android'),
      ),
      body: bottomNavIndex == 0 ? const ArticleListPage() : Container(),
      bottomNavigationBar: BottomNavigationBar(
        selectedItemColor: secondaryColor,
        currentIndex: bottomNavIndex,
        items: const [
          BottomNavigationBarItem(icon: Icon(Icons.public), label: 'Headline'),
          BottomNavigationBarItem(icon: Icon(Icons.settings), label: 'Settings')
          ],
          onTap: ((selected) {
            setState(() {
              bottomNavIndex = selected;
            });
          }),

          ),
    );
  }

  Widget _buildIos(BuildContext context) {
    return CupertinoPageScaffold(
      navigationBar: const CupertinoNavigationBar(
        middle: Text('News App Ios'),
      ),
      child: _buildList(context),
    );
  }
}

  Widget _buildList(BuildContext context) {
    return FutureBuilder<String>(
      future: DefaultAssetBundle.of(context).loadString('assets/articles.json'),
      builder: (context, snapshot) {
        final List<Article> articles = parseArticles(snapshot.data);
        return ListView.builder(
          itemCount: articles.length,
          itemBuilder: (context, index) {
            return _buildArticleItem(context, articles[index]);
          },
        );
      },
    );
  }

  Widget _buildArticleItem(BuildContext context, Article article) {
    return Material(
      child: ListTile(
        contentPadding:
            const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8.0),
        leading: Hero(
          tag: article.urlToImage,
          child: Image.network(
            article.urlToImage,
            width: 100,
          ),
        ),
        title: Text(
          article.title,
        ),
        subtitle: Text(article.author),
        onTap: () {
          Navigator.pushNamed(context, ArticleDetailPage.routeName,
              arguments: article);
        },
      ),
    );
  }