A whole lot of stuff

lib/screens/user_agreement_screen.dart

@@ -3,6 +3,7 @@ import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 
 import '../services/app_state.dart';
+import 'faq_screen.dart';
 
 /// The very first thing shown on a fresh install — before the onboarding
 /// tour, before anything else — gating [MainShell] entirely until the user
@@ -11,16 +12,32 @@ import '../services/app_state.dart';
 /// Its whole purpose is the liability section below: this app stores data
 /// on the user's own device (and, optionally, their own cloud storage
 /// account) with no server or backend of ours involved, so we have no
-/// ability to recover anything for them if it's lost.
+/// ability to recover anything for them if it's lost — plus the privacy
+/// section, disclosing that we don't track/log anything ourselves, and
+/// that AdMob (only active for users on the free, ad-supported tier) is
+/// the sole source of any data collection, governed by Google's own
+/// practices rather than anything this app adds.
 class UserAgreementScreen extends StatelessWidget {
-  const UserAgreementScreen({super.key});
+  /// True when reached from Settings (see [SettingsScreen]) to re-read the
+  /// agreement/privacy policy at any time — required so this content stays
+  /// reachable in the app beyond the one-time first-launch gate, not just
+  /// something a user saw once and can never get back to. Hides the
+  /// Decline/I Agree actions (already answered, and "Decline" quitting the
+  /// app would be a bizarre side effect of just re-reading this) and shows
+  /// a normal back button instead of gating navigation away entirely.
+  final bool isReview;
+
+  const UserAgreementScreen({super.key, this.isReview = false});
 
   @override
   Widget build(BuildContext context) {
     final textTheme = Theme.of(context).textTheme;
 
     return Scaffold(
-      appBar: AppBar(title: const Text('User Agreement'), automaticallyImplyLeading: false),
+      appBar: AppBar(
+        title: const Text('User Agreement'),
+        automaticallyImplyLeading: isReview,
+      ),
       body: SafeArea(
         child: Column(
           children: [
@@ -29,8 +46,11 @@ class UserAgreementScreen extends StatelessWidget {
                 padding: const EdgeInsets.all(20),
                 children: [
                   Text(
-                    'Please read and accept the following before using Show Me The Fuel '
-                    'Refund.',
+                    isReview
+                        ? 'This is the agreement you accepted when you first opened Show Me '
+                            'The Fuel Refund.'
+                        : 'Please read and accept the following before using Show Me The Fuel '
+                            'Refund.',
                     style: textTheme.bodyLarge,
                   ),
                   const SizedBox(height: 20),
@@ -43,6 +63,17 @@ class UserAgreementScreen extends StatelessWidget {
                         'also kept there — in storage you control, not on any server we run. '
                         "We don't operate a backend, and we don't have a copy of your data.",
                   ),
+                  _Section(
+                    title: 'Privacy',
+                    body:
+                        "We don't track or log your data in any way — there's no analytics, no "
+                        "crash reporting, and no server of ours receiving anything you enter. If "
+                        'you haven\'t purchased "Remove Ads for a Year" and are using the free, '
+                        'ad-supported version, the only data collected is whatever Google AdMob '
+                        'itself requires to serve ads (e.g. a device advertising identifier) — '
+                        "that collection is Google's, governed by its own privacy practices, not "
+                        'something this app adds on top of.',
+                  ),
                   _Section(
                     title: 'We Are Not Responsible for Your Data or Any Data Loss',
                     body:
@@ -66,37 +97,55 @@ class UserAgreementScreen extends StatelessWidget {
                   _Section(
                     title: 'Not Tax or Legal Advice',
                     body:
-                        "This app helps you organize receipts for Missouri's Motor Fuel Tax "
-                        'Refund program; it does not provide tax or legal advice, and does not '
-                        'guarantee your eligibility for any refund. The program itself is set '
-                        'by Missouri law, which can change at any time — always confirm current '
-                        'eligibility and rates with the Missouri Department of Revenue.',
+                        'This app is purely informational. Missouri actually offers two '
+                        'separate fuel tax refunds — up to 12.5¢ per gallon for highway use, '
+                        "and up to 29.5¢ per gallon for non-highway use — and it's worth "
+                        "evaluating both to see how you could benefit. This app helps you "
+                        "organize the receipts you'd need for either one.\n\n"
+                        "Nothing here is tax or legal advice, and using this app doesn't "
+                        'guarantee your eligibility for either refund. For guidance on your '
+                        'specific situation, consult a tax professional. Both refunds are set '
+                        'by Missouri law, which can change at any time — always confirm '
+                        'current eligibility and rates with the Missouri Department of '
+                        'Revenue before filing.',
+                  ),
+                  Align(
+                    alignment: Alignment.centerLeft,
+                    child: TextButton.icon(
+                      onPressed: () => Navigator.of(context).push(
+                        MaterialPageRoute(builder: (_) => const FaqScreen()),
+                      ),
+                      icon: const Icon(Icons.help_outline),
+                      label: const Text('See the FAQ for more'),
+                    ),
                   ),
                   const SizedBox(height: 8),
                 ],
               ),
             ),
-            const Divider(height: 1),
-            Padding(
-              padding: const EdgeInsets.all(16),
-              child: Row(
-                children: [
-                  Expanded(
-                    child: OutlinedButton(
-                      onPressed: () => SystemNavigator.pop(),
-                      child: const Text('Decline'),
+            if (!isReview) ...[
+              const Divider(height: 1),
+              Padding(
+                padding: const EdgeInsets.all(16),
+                child: Row(
+                  children: [
+                    Expanded(
+                      child: OutlinedButton(
+                        onPressed: () => SystemNavigator.pop(),
+                        child: const Text('Decline'),
+                      ),
                     ),
-                  ),
-                  const SizedBox(width: 12),
-                  Expanded(
-                    child: FilledButton(
-                      onPressed: () => context.read<AppState>().acceptUserAgreement(),
-                      child: const Text('I Agree'),
+                    const SizedBox(width: 12),
+                    Expanded(
+                      child: FilledButton(
+                        onPressed: () => context.read<AppState>().acceptUserAgreement(),
+                        child: const Text('I Agree'),
+                      ),
                     ),
-                  ),
-                ],
+                  ],
+                ),
               ),
-            ),
+            ],
           ],
         ),
       ),