info_tren/lib/pages/about/about_page_material.dart

import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:info_tren/pages/about/about_page.dart';
import 'package:url_launcher/url_launcher.dart';

class AboutPageStateMaterial extends AboutPageState {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(pageTitle),
        centerTitle: true,
      ),
      body: SingleChildScrollView(
        child: Column(
          mainAxisSize: MainAxisSize.min,
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            Center(
              child: Text(
                'Info Tren',
                style: Theme.of(context).textTheme.displayMedium,
              ),
            ),
            if (packageInfo != null)
              Center(
                child: Text(
                  packageInfo!.packageName,
                  style: Theme.of(context).textTheme.caption,
                ),
              ),
            // ListTile(
            //   title: Text(versionTitleText),
            //   subtitle: localChangelog.isEmpty ? null : Text(localChangelog.first.title),
            // ),
            Divider(),
            for (final log in mergedChangelogs) ...[
              Padding(
                padding: const EdgeInsets.fromLTRB(8, 8, 8, 0),
                child: Row(
                  crossAxisAlignment: CrossAxisAlignment.center,
                  children: [
                    Expanded(
                      child: Text(
                        log.version.toString(),
                        style: Theme.of(context).textTheme.headline4,
                      ),
                    ),
                    if (localChangelog.isNotEmpty && log.version == localChangelog.first.version)
                      Container(
                        decoration: BoxDecoration(
                          border: Border.all(
                            color: Theme.of(context).colorScheme.onBackground,
                            width: 1,
                          ),
                          borderRadius: BorderRadius.circular(20),
                        ),
                        child: Padding(
                          padding: const EdgeInsets.all(4),
                          child: Text(
                            currentVersionText,
                            style: TextStyle(
                              inherit: true,
                            ),
                          ),
                        ),
                      ),
                    if (remoteChangelog.isNotEmpty && log.version == remoteChangelog.first.version && (localChangelog.isEmpty || localChangelog.first.version != log.version))
                      Container(
                        decoration: BoxDecoration(
                          border: Border.all(
                            color: Colors.green,
                            width: 1,
                          ),
                          borderRadius: BorderRadius.circular(20),
                        ),
                        child: Padding(
                          padding: const EdgeInsets.all(4),
                          child: Text(
                            latestVersionText,
                            style: TextStyle(
                              inherit: true,
                              color: Colors.green,
                            ),
                          ),
                        ),
                      ),
                    if (AboutPageState.DOWNLOAD == 'apk' && log.apkLink != null)
                      GestureDetector(
                        onSecondaryTap: () {
                          Clipboard.setData(ClipboardData(text: log.apkLink!.toString()));
                          ScaffoldMessenger.of(context).showSnackBar(SnackBar(
                            content: Text('Link copied to clipboard'),
                          ));
                        },
                        onLongPress: () {
                          Clipboard.setData(ClipboardData(text: log.apkLink!.toString()));
                          ScaffoldMessenger.of(context).showSnackBar(SnackBar(
                            content: Text('Link copied to clipboard'),
                          ));
                        },
                        onTap: () {
                          launchUrl(
                            log.apkLink!,
                            mode: LaunchMode.externalApplication,
                          );
                        }, 
                        behavior: HitTestBehavior.translucent,
                        child: Tooltip(
                          message: 'Download APK',
                          child: Padding(
                            padding: const EdgeInsets.all(4),
                            child: Icon(Icons.download),
                          ),
                        ),
                      ),
                  ],
                ),
              ),
              Padding(
                padding: const EdgeInsets.all(8.0),
                child: RichText(
                  text: TextSpan(
                    text: log.description,
                  ),
                ),
              ),
            ],
          ],
        ),
      ),
    );
  }
}