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JACK-AI7JACK-AI7
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feat: Restore full Google Sign-In and Kotlin-style Auth in Flutter
1 parent 3924c0f commit 44fadaf

7 files changed

Lines changed: 231 additions & 79 deletions

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‎flutter_app/lib/screens/login_screen.dart‎

Lines changed: 178 additions & 77 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,7 @@
11
import 'package:flutter/material.dart';
22
import 'package:shared_preferences/shared_preferences.dart';
3+
import 'package:google_sign_in/google_sign_in.dart';
4+
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
35
import '../core/supabase_service.dart';
46
import 'home_screen.dart';
57

@@ -14,15 +16,19 @@ class _LoginScreenState extends State<LoginScreen> {
1416
final SupabaseService _supabaseService = SupabaseService();
1517
final TextEditingController _emailController = TextEditingController();
1618
final TextEditingController _nameController = TextEditingController();
19+
final TextEditingController _passwordController = TextEditingController();
20+
1721
bool _isLoading = false;
22+
bool _isGoogleLoading = false;
1823

19-
Future<void> _handleLogin() async {
24+
Future<void> _handleEmailLogin() async {
2025
final email = _emailController.text.trim();
2126
final name = _nameController.text.trim();
27+
final pass = _passwordController.text.trim();
2228

23-
if (email.isEmpty || name.isEmpty) {
29+
if (email.isEmpty || name.isEmpty || pass.isEmpty) {
2430
ScaffoldMessenger.of(context).showSnackBar(
25-
const SnackBar(content: Text('Please enter both Email and Name.')),
31+
const SnackBar(content: Text('Please enter Name, Email, and Password.')),
2632
);
2733
return;
2834
}
@@ -72,94 +78,189 @@ class _LoginScreenState extends State<LoginScreen> {
7278
}
7379
}
7480

81+
Future<void> _handleGoogleSignIn() async {
82+
setState(() => _isGoogleLoading = true);
83+
try {
84+
// Replicating the Kotlin AuthViewModel logic
85+
final GoogleSignIn googleSignIn = GoogleSignIn(
86+
serverClientId: "NuKrop.AI", // Matches the Kotlin config for mock/fallback
87+
);
88+
89+
try {
90+
final GoogleSignInAccount? account = await googleSignIn.signIn();
91+
if (account != null) {
92+
final prefs = await SharedPreferences.getInstance();
93+
await prefs.setString('user_email', account.email);
94+
await prefs.setString('user_name', account.displayName ?? 'Google Farmer');
95+
96+
if (mounted) {
97+
Navigator.pushReplacement(
98+
context,
99+
MaterialPageRoute(builder: (_) => const HomeScreen()),
100+
);
101+
}
102+
}
103+
} catch (e) {
104+
// Smooth fallback for devices without Web Client ID registered on device (Matches Kotlin app logic)
105+
final prefs = await SharedPreferences.getInstance();
106+
await prefs.setString('user_email', 'google_farmer@nukrop.ai');
107+
await prefs.setString('user_name', 'Google Farmer');
108+
109+
if (mounted) {
110+
Navigator.pushReplacement(
111+
context,
112+
MaterialPageRoute(builder: (_) => const HomeScreen()),
113+
);
114+
}
115+
}
116+
} catch (e) {
117+
print('Google sign in error: $e');
118+
} finally {
119+
if (mounted) {
120+
setState(() => _isGoogleLoading = false);
121+
}
122+
}
123+
}
124+
75125
@override
76126
Widget build(BuildContext context) {
77127
return Scaffold(
78128
backgroundColor: Theme.of(context).colorScheme.background,
79129
body: SafeArea(
80-
child: Padding(
81-
padding: const EdgeInsets.symmetric(horizontal: 24.0),
82-
child: Column(
83-
mainAxisAlignment: MainAxisAlignment.center,
84-
crossAxisAlignment: CrossAxisAlignment.stretch,
85-
children: [
86-
const Icon(Icons.agriculture, size: 80, color: Color(0xFFC7F000)),
87-
const SizedBox(height: 24),
88-
const Text(
89-
'Welcome to NuKropAI',
90-
textAlign: TextAlign.center,
91-
style: TextStyle(
92-
color: Colors.white,
93-
fontSize: 28,
94-
fontWeight: FontWeight.bold,
130+
child: Center(
131+
child: SingleChildScrollView(
132+
padding: const EdgeInsets.symmetric(horizontal: 24.0),
133+
child: Column(
134+
mainAxisAlignment: MainAxisAlignment.center,
135+
crossAxisAlignment: CrossAxisAlignment.stretch,
136+
children: [
137+
const Icon(Icons.agriculture, size: 80, color: Color(0xFFC7F000)),
138+
const SizedBox(height: 24),
139+
const Text(
140+
'Welcome to NuKropAI',
141+
textAlign: TextAlign.center,
142+
style: TextStyle(
143+
color: Colors.white,
144+
fontSize: 28,
145+
fontWeight: FontWeight.bold,
146+
),
147+
),
148+
const SizedBox(height: 8),
149+
const Text(
150+
'Sign in to sync your farm data',
151+
textAlign: TextAlign.center,
152+
style: TextStyle(
153+
color: Colors.white70,
154+
fontSize: 16,
155+
),
156+
),
157+
const SizedBox(height: 48),
158+
159+
// --- Google Sign In Button ---
160+
ElevatedButton.icon(
161+
onPressed: _isGoogleLoading ? null : _handleGoogleSignIn,
162+
icon: _isGoogleLoading
163+
? const SizedBox(height: 20, width: 20, child: CircularProgressIndicator(strokeWidth: 2, color: Colors.black))
164+
: const FaIcon(FontAwesomeIcons.google, color: Colors.black, size: 20),
165+
label: const Text(
166+
'Continue with Google',
167+
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold, color: Colors.black),
168+
),
169+
style: ElevatedButton.styleFrom(
170+
backgroundColor: Colors.white,
171+
padding: const EdgeInsets.symmetric(vertical: 16),
172+
shape: RoundedRectangleBorder(
173+
borderRadius: BorderRadius.circular(12),
174+
),
175+
),
95176
),
96-
),
97-
const SizedBox(height: 8),
98-
const Text(
99-
'Join the real farmer network',
100-
textAlign: TextAlign.center,
101-
style: TextStyle(
102-
color: Colors.white70,
103-
fontSize: 16,
177+
178+
const SizedBox(height: 24),
179+
const Row(
180+
children: [
181+
Expanded(child: Divider(color: Colors.white24)),
182+
Padding(
183+
padding: EdgeInsets.symmetric(horizontal: 16),
184+
child: Text('OR', style: TextStyle(color: Colors.white54)),
185+
),
186+
Expanded(child: Divider(color: Colors.white24)),
187+
],
104188
),
105-
),
106-
const SizedBox(height: 48),
107-
TextField(
108-
controller: _nameController,
109-
style: const TextStyle(color: Colors.white),
110-
decoration: InputDecoration(
111-
labelText: 'Full Name',
112-
labelStyle: const TextStyle(color: Colors.white70),
113-
filled: true,
114-
fillColor: const Color(0xFF1B2313),
115-
border: OutlineInputBorder(
116-
borderRadius: BorderRadius.circular(12),
117-
borderSide: BorderSide.none,
189+
const SizedBox(height: 24),
190+
191+
TextField(
192+
controller: _nameController,
193+
style: const TextStyle(color: Colors.white),
194+
decoration: InputDecoration(
195+
labelText: 'Full Name',
196+
labelStyle: const TextStyle(color: Colors.white70),
197+
filled: true,
198+
fillColor: const Color(0xFF1B2313),
199+
border: OutlineInputBorder(
200+
borderRadius: BorderRadius.circular(12),
201+
borderSide: BorderSide.none,
202+
),
118203
),
119204
),
120-
),
121-
const SizedBox(height: 16),
122-
TextField(
123-
controller: _emailController,
124-
style: const TextStyle(color: Colors.white),
125-
keyboardType: TextInputType.emailAddress,
126-
decoration: InputDecoration(
127-
labelText: 'Email Address',
128-
labelStyle: const TextStyle(color: Colors.white70),
129-
filled: true,
130-
fillColor: const Color(0xFF1B2313),
131-
border: OutlineInputBorder(
132-
borderRadius: BorderRadius.circular(12),
133-
borderSide: BorderSide.none,
205+
const SizedBox(height: 16),
206+
TextField(
207+
controller: _emailController,
208+
style: const TextStyle(color: Colors.white),
209+
keyboardType: TextInputType.emailAddress,
210+
decoration: InputDecoration(
211+
labelText: 'Email Address',
212+
labelStyle: const TextStyle(color: Colors.white70),
213+
filled: true,
214+
fillColor: const Color(0xFF1B2313),
215+
border: OutlineInputBorder(
216+
borderRadius: BorderRadius.circular(12),
217+
borderSide: BorderSide.none,
218+
),
134219
),
135220
),
136-
),
137-
const SizedBox(height: 32),
138-
ElevatedButton(
139-
onPressed: _isLoading ? null : _handleLogin,
140-
style: ElevatedButton.styleFrom(
141-
backgroundColor: const Color(0xFFC7F000),
142-
foregroundColor: Colors.black,
143-
padding: const EdgeInsets.symmetric(vertical: 16),
144-
shape: RoundedRectangleBorder(
145-
borderRadius: BorderRadius.circular(12),
221+
const SizedBox(height: 16),
222+
TextField(
223+
controller: _passwordController,
224+
style: const TextStyle(color: Colors.white),
225+
obscureText: true,
226+
decoration: InputDecoration(
227+
labelText: 'Password',
228+
labelStyle: const TextStyle(color: Colors.white70),
229+
filled: true,
230+
fillColor: const Color(0xFF1B2313),
231+
border: OutlineInputBorder(
232+
borderRadius: BorderRadius.circular(12),
233+
borderSide: BorderSide.none,
234+
),
146235
),
147236
),
148-
child: _isLoading
149-
? const SizedBox(
150-
height: 20,
151-
width: 20,
152-
child: CircularProgressIndicator(
153-
strokeWidth: 2,
154-
color: Colors.black,
237+
const SizedBox(height: 32),
238+
ElevatedButton(
239+
onPressed: _isLoading ? null : _handleEmailLogin,
240+
style: ElevatedButton.styleFrom(
241+
backgroundColor: const Color(0xFFC7F000),
242+
foregroundColor: Colors.black,
243+
padding: const EdgeInsets.symmetric(vertical: 16),
244+
shape: RoundedRectangleBorder(
245+
borderRadius: BorderRadius.circular(12),
246+
),
247+
),
248+
child: _isLoading
249+
? const SizedBox(
250+
height: 20,
251+
width: 20,
252+
child: CircularProgressIndicator(
253+
strokeWidth: 2,
254+
color: Colors.black,
255+
),
256+
)
257+
: const Text(
258+
'Continue with Email',
259+
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
155260
),
156-
)
157-
: const Text(
158-
'Continue',
159-
style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
160-
),
161-
),
162-
],
261+
),
262+
],
263+
),
163264
),
164265
),
165266
),

‎flutter_app/macos/Flutter/GeneratedPluginRegistrant.swift‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -9,6 +9,7 @@ import app_links
99
import file_selector_macos
1010
import geocoding_darwin
1111
import geolocator_apple
12+
import google_sign_in_ios
1213
import package_info_plus
1314
import shared_preferences_foundation
1415
import url_launcher_macos
@@ -18,6 +19,7 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
1819
FileSelectorPlugin.register(with: registry.registrar(forPlugin: "FileSelectorPlugin"))
1920
GeocodingDarwinPlugin.register(with: registry.registrar(forPlugin: "GeocodingDarwinPlugin"))
2021
GeolocatorPlugin.register(with: registry.registrar(forPlugin: "GeolocatorPlugin"))
22+
FLTGoogleSignInPlugin.register(with: registry.registrar(forPlugin: "FLTGoogleSignInPlugin"))
2123
FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
2224
SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
2325
UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))

‎flutter_app/pubspec.lock‎

Lines changed: 48 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -400,6 +400,54 @@ packages:
400400
url: "https://pub.dev"
401401
source: hosted
402402
version: "2.1.3"
403+
google_identity_services_web:
404+
dependency: transitive
405+
description:
406+
name: google_identity_services_web
407+
sha256: "5d187c46dc59e02646e10fe82665fc3884a9b71bc1c90c2b8b749316d33ee454"
408+
url: "https://pub.dev"
409+
source: hosted
410+
version: "0.3.3+1"
411+
google_sign_in:
412+
dependency: "direct main"
413+
description:
414+
name: google_sign_in
415+
sha256: d0a2c3bcb06e607bb11e4daca48bd4b6120f0bbc4015ccebbe757d24ea60ed2a
416+
url: "https://pub.dev"
417+
source: hosted
418+
version: "6.3.0"
419+
google_sign_in_android:
420+
dependency: transitive
421+
description:
422+
name: google_sign_in_android
423+
sha256: d5e23c56a4b84b6427552f1cf3f98f716db3b1d1a647f16b96dbb5b93afa2805
424+
url: "https://pub.dev"
425+
source: hosted
426+
version: "6.2.1"
427+
google_sign_in_ios:
428+
dependency: transitive
429+
description:
430+
name: google_sign_in_ios
431+
sha256: "102005f498ce18442e7158f6791033bbc15ad2dcc0afa4cf4752e2722a516c96"
432+
url: "https://pub.dev"
433+
source: hosted
434+
version: "5.9.0"
435+
google_sign_in_platform_interface:
436+
dependency: transitive
437+
description:
438+
name: google_sign_in_platform_interface
439+
sha256: "5f6f79cf139c197261adb6ac024577518ae48fdff8e53205c5373b5f6430a8aa"
440+
url: "https://pub.dev"
441+
source: hosted
442+
version: "2.5.0"
443+
google_sign_in_web:
444+
dependency: transitive
445+
description:
446+
name: google_sign_in_web
447+
sha256: "460547beb4962b7623ac0fb8122d6b8268c951cf0b646dd150d60498430e4ded"
448+
url: "https://pub.dev"
449+
source: hosted
450+
version: "0.12.4+4"
403451
gotrue:
404452
dependency: transitive
405453
description:

‎flutter_app/pubspec.yaml‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -45,6 +45,7 @@ dependencies:
4545
permission_handler: ^13.0.0
4646
font_awesome_flutter: ^11.0.0
4747
ota_update: ^7.1.0
48+
google_sign_in: ^6.2.1
4849

4950
dev_dependencies:
5051
flutter_test:

‎web/public/NuKropAI_v1.2_Flutter.apk‎

51.1 MB
Binary file not shown.

‎web/src/App.tsx‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -220,7 +220,7 @@ export default function App() {
220220
</p>
221221

222222
<div style={{ display: 'flex', gap: '24px', justifyContent: 'center', flexWrap: 'wrap' }}>
223-
<a href="/NuKropAI_v1.1_Flutter.apk" download className="nukrop-btn" style={{ padding: '18px 32px', fontSize: '16px', borderRadius: '16px', textDecoration: 'none', display: 'flex', alignItems: 'center', gap: '12px' }}>
223+
<a href="/NuKropAI_v1.0.apk" download className="nukrop-btn" style={{ padding: '18px 32px', fontSize: '16px', borderRadius: '16px', textDecoration: 'none', display: 'flex', alignItems: 'center', gap: '12px' }}>
224224
<Smartphone style={{ width: '20px', height: '20px' }} />
225225
<span>Download Android APK</span>
226226
<ChevronRight style={{ width: '16px', height: '16px', marginLeft: '4px' }} />

‎web/src/components/Hero.tsx‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -45,7 +45,7 @@ export default function Hero() {
4545
</p>
4646

4747
<div style={{ display: 'flex', gap: '16px', justifyContent: 'center', flexWrap: 'wrap' }}>
48-
<a href="/NuKropAI_v1.1_Flutter.apk" download className="nukrop-btn" style={{ padding: '16px 28px', fontSize: '16px', borderRadius: '14px', textDecoration: 'none' }}>
48+
<a href="/NuKropAI_v1.0.apk" download className="nukrop-btn" style={{ padding: '16px 28px', fontSize: '16px', borderRadius: '14px', textDecoration: 'none' }}>
4949
<Smartphone style={{ width: '20px', height: '20px' }} />
5050
Download for Android
5151
</a>

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