Setup Firebase

passguard_app/.gitignore

@@ -43,3 +43,10 @@ app.*.map.json
 /android/app/debug
 /android/app/profile
 /android/app/release
+
+# Firebase Credentials
+lib/firebase_options.dart
+android/app/google-services.json
+ios/Runner/GoogleService-Info.plist
+firebase.json
+macos/Runner/GoogleService-Info.plist

passguard_app/android/app/build.gradle.kts

@@ -1,5 +1,8 @@
 plugins {
     id("com.android.application")
+    // START: FlutterFire Configuration
+    id("com.google.gms.google-services")
+    // END: FlutterFire Configuration
     id("kotlin-android")
     // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
     id("dev.flutter.flutter-gradle-plugin")

passguard_app/android/settings.gradle.kts

@@ -19,6 +19,9 @@ pluginManagement {
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
     id("com.android.application") version "8.7.0" apply false
+    // START: FlutterFire Configuration
+    id("com.google.gms.google-services") version("4.3.15") apply false
+    // END: FlutterFire Configuration
     id("org.jetbrains.kotlin.android") version "1.8.22" apply false
 }
 

passguard_app/lib/main.dart

@@ -1,52 +1,38 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:flutter/material.dart';
+import 'package:firebase_core/firebase_core.dart';
+import 'firebase_options.dart';
 
-void main() {
+//Test counter example with Firebase:
+Future<void> main() async {
+
+  await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
+  FirebaseFirestore.instance.settings = const Settings(
+    persistenceEnabled: true,
+  );
+
   runApp(const MyApp());
 }
 
 class MyApp extends StatelessWidget {
   const MyApp({super.key});
 
-  // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Flutter Demo',
+      title: 'Flutter Firebase Demo',
       theme: ThemeData(
-        // This is the theme of your application.
-        //
-        // TRY THIS: Try running your application with "flutter run". You'll see
-        // the application has a purple toolbar. Then, without quitting the app,
-        // try changing the seedColor in the colorScheme below to Colors.green
-        // and then invoke "hot reload" (save your changes or press the "hot
-        // reload" button in a Flutter-supported IDE, or press "r" if you used
-        // the command line to start the app).
-        //
-        // Notice that the counter didn't reset back to zero; the application
-        // state is not lost during the reload. To reset the state, use hot
-        // restart instead.
-        //
-        // This works for code too, not just values: Most code changes can be
-        // tested with just a hot reload.
+
         colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
       ),
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
+      home: const MyHomePage(title: 'Flutter Firebase Demo Home Page'),
     );
   }
 }
 
 class MyHomePage extends StatefulWidget {
   const MyHomePage({super.key, required this.title});
 
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
-
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
   final String title;
 
   @override
@@ -56,52 +42,48 @@ class MyHomePage extends StatefulWidget {
 class _MyHomePageState extends State<MyHomePage> {
   int _counter = 0;
 
-  void _incrementCounter() {
+  @override
+  void initState(){
+    super.initState();
+    _getCounterValue();
+  }
+  Future<void> _getCounterValue() async {
+    DocumentSnapshot snapshot = await FirebaseFirestore.instance
+        .collection('example')
+        .doc('counter')
+        .get();
+
+    if (snapshot.exists) {
+      setState(() {
+        _counter = snapshot['counter-num'];  // Store Firestore value in _counter
+      });
+    }
+  }
+
+  Future<void> _incrementCounter() async {
     setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
       _counter++;
     });
+    // Save the updated counter value to Firestore
+    await FirebaseFirestore.instance
+        .collection('example')
+        .doc('counter')
+        .update({'counter-num': _counter});
   }
 
   @override
   Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
+
     return Scaffold(
       appBar: AppBar(
-        // TRY THIS: Try changing the color here to a specific color (to
-        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
-        // change color while the other colors stay the same.
+
         backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
+
         title: Text(widget.title),
       ),
       body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
+
         child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          //
-          // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
-          // action in the IDE, or press "p" in the console), to see the
-          // wireframe for each widget.
           mainAxisAlignment: MainAxisAlignment.center,
           children: <Widget>[
             const Text('You have pushed the button this many times:'),
@@ -116,7 +98,7 @@ class _MyHomePageState extends State<MyHomePage> {
         onPressed: _incrementCounter,
         tooltip: 'Increment',
         child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
+      ), 
     );
   }
 }

passguard_app/macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,6 +5,10 @@
 import FlutterMacOS
 import Foundation
 
+import cloud_firestore
+import firebase_core
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  FLTFirebaseFirestorePlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseFirestorePlugin"))
+  FLTFirebaseCorePlugin.register(with: registry.registrar(forPlugin: "FLTFirebaseCorePlugin"))
 }

passguard_app/pubspec.lock

@@ -1,6 +1,14 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _flutterfire_internals:
+    dependency: transitive
+    description:
+      name: _flutterfire_internals
+      sha256: "401dd18096f5eaa140404ccbbbf346f83c850e6f27049698a7ee75a3488ddb32"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.52"
   async:
     dependency: transitive
     description:
@@ -33,6 +41,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.2"
+  cloud_firestore:
+    dependency: "direct main"
+    description:
+      name: cloud_firestore
+      sha256: "8dfe49146560af035314477995bdfb4a7104f33cb7f881748572fbda38ecfa55"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.6.4"
+  cloud_firestore_platform_interface:
+    dependency: transitive
+    description:
+      name: cloud_firestore_platform_interface
+      sha256: dc0bcc3239a4feaa4b7b184dc4b689bc97e6cea1a8320ee0d7ee64b3607858ea
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.6.4"
+  cloud_firestore_web:
+    dependency: transitive
+    description:
+      name: cloud_firestore_web
+      sha256: "5091ed6771c886c9a93b1ec1ffa61770056210f1a3312095a73a5a4bab0c6a9f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.4.4"
   collection:
     dependency: transitive
     description:
@@ -57,6 +89,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.2"
+  firebase_core:
+    dependency: "direct main"
+    description:
+      name: firebase_core
+      sha256: "6a4ea0f1d533443c8afc3d809cd36a4e2b8f2e2e711f697974f55bb31d71d1b8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.12.0"
+  firebase_core_platform_interface:
+    dependency: transitive
+    description:
+      name: firebase_core_platform_interface
+      sha256: d7253d255ff10f85cfd2adaba9ac17bae878fa3ba577462451163bd9f1d1f0bf
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.4.0"
+  firebase_core_web:
+    dependency: transitive
+    description:
+      name: firebase_core_web
+      sha256: e47f5c2776de018fa19bc9f6f723df136bc75cdb164d64b65305babd715c8e41
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.21.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -75,6 +131,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   leak_tracker:
     dependency: transitive
     description:
@@ -139,6 +200,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -208,6 +277,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "14.3.1"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: cd3543bd5798f6ad290ea73d210f423502e71900302dde696f8bff84bf89a1cb
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
 sdks:
   dart: ">=3.7.0 <4.0.0"
-  flutter: ">=3.18.0-18.0.pre.54"
+  flutter: ">=3.22.0"

passguard_app/pubspec.yaml

@@ -34,6 +34,8 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
+  cloud_firestore: ^5.6.4
+  firebase_core: ^3.12.0
 
 dev_dependencies:
   flutter_test:

passguard_app/windows/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,12 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <cloud_firestore/cloud_firestore_plugin_c_api.h>
+#include <firebase_core/firebase_core_plugin_c_api.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  CloudFirestorePluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("CloudFirestorePluginCApi"));
+  FirebaseCorePluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("FirebaseCorePluginCApi"));
 }

passguard_app/windows/flutter/generated_plugins.cmake

@@ -3,6 +3,8 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  cloud_firestore
+  firebase_core
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST