anchor.diff:      await showBlurDialog(
         context: context,
         builder: (context) {
  -        final color =
  -            Theme.of(context).brightness == Brightness.dark ? 'white' : 'green';
  +        final isDarkTheme = Theme.of(context).brightness == Brightness.dark;
  +        final color = isDarkTheme ? 'white' : 'green';
           return WillPopScope(
             onWillPop: () async => false,
             child: AlertDialog(
  
positive.code:                   height: 78,
                    filterQuality: FilterQuality.medium,
                  ),
                  const SizedBox(height: 16),
                  Text('Beta Release',
                      style: Theme.of(context).textTheme.headlineMedium),
                  const SizedBox(height: 8),
                  const Text(
                      'Preview the latest beta: Try out the newest features. (Sometimes these may be a little rough around the edges.)'),
                  const SizedBox(height: 8),
                  const Text(
                      'Give early feedback: Let us know what you think and help make Authenticator for Android a better experience. Go to “Send us feedback” under Help and about.'),
                ],
              ),
              actions: <Widget>[
                TextButton(
                  style: TextButton.styleFrom(
                    textStyle: Theme.of(context).textTheme.labelLarge,
                  ),
                  child: const Text('Learn more'),
                  onPressed: () => onBetaDialogClosed(context, ref),
                ),
                TextButton(
                  style: TextButton.styleFrom(
                    textStyle: Theme.of(context).textTheme.labelLarge,
                  ),
                  child: const Text('Got it'),
                  onPressed: () => onBetaDialogClosed(context, ref),
  
negative.code: import 'package:flutter/material.dart';
  import 'package:flutter_riverpod/flutter_riverpod.dart';
  import 'package:url_launcher/url_launcher.dart';
  
  import '../../app/message.dart';
  import '../../core/state.dart';
  