Issue 42

android/app/local.properties

@@ -0,0 +1,8 @@
+## This file must *NOT* be checked into Version Control Systems,
+# as it contains information specific to your local configuration.
+#
+# Location of the SDK. This is only used by Gradle.
+# For customization when using a Version Control System, please read the
+# header note.
+#Fri May 07 10:39:41 IST 2021
+sdk.dir=C\:\\Users\\HP\\AppData\\Local\\Android\\Sdk

android/app/src/main/AndroidManifest.xml

@@ -6,7 +6,7 @@
          additional functionality it is fine to subclass or reimplement
          FlutterApplication and put your custom class here. -->
     <application
-        android:name="io.flutter.app.FlutterApplication"
+        android:name=".Application"
         android:label="retro_shopping"
         android:icon="@mipmap/ic_launcher">
         <meta-data

android/app/src/main/kotlin/tech/himanshusharma/relic_bazaar/Application.kt

@@ -0,0 +1,18 @@
+package tech.himanshusharma.relicbazaar
+import io.flutter.app.FlutterApplication
+import io.flutter.plugin.common.PluginRegistry
+import io.flutter.plugin.common.PluginRegistry.PluginRegistrantCallback
+import io.flutter.view.FlutterMain
+import io.flutter.plugins.firebase.messaging.FlutterFirebaseMessagingBackgroundService;
+
+class Application : FlutterApplication(), PluginRegistrantCallback {
+
+    override fun onCreate() {
+        super.onCreate()
+        FlutterFirebaseMessagingBackgroundService.setPluginRegistrant(this);
+        FlutterMain.startInitialization(this)
+    }
+
+    override fun registerWith(registry: PluginRegistry?) {
+    }
+}

lib/main.dart

@@ -1,6 +1,10 @@
 import 'package:firebase_auth/firebase_auth.dart';
 import 'package:firebase_core/firebase_core.dart';
+import 'package:firebase_messaging/firebase_messaging.dart';
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:google_fonts/google_fonts.dart';
 import 'package:google_mobile_ads/google_mobile_ads.dart';
 import 'package:provider/provider.dart';
@@ -9,15 +13,33 @@ import 'package:relic_bazaar/helpers/ad_state.dart';
 import 'package:relic_bazaar/helpers/constants.dart';
 import 'package:relic_bazaar/helpers/route_page.dart';
 import 'package:relic_bazaar/views/auth/login_view.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 
 import 'services/remote_config.dart';
 
 RemoteConfigService _remoteConfigService;
 
+
+Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
+  await Firebase.initializeApp();
+  print('Handling a background message ${message.messageId}');
+}
+
+const AndroidNotificationChannel channel = AndroidNotificationChannel(
+  'high_importance_channel', // id
+  'High Importance Notifications', // title
+  'This channel is used for important notifications.', // description
+  importance: Importance.high,
+);
+
+final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
+FlutterLocalNotificationsPlugin();
+
 Future<void> main() async {
   //firebase Initialization
   WidgetsFlutterBinding.ensureInitialized();
   await Firebase.initializeApp();
+
   //AdMob Initialization
   final Future<InitializationStatus> initFuture =
       MobileAds.instance.initialize();
@@ -27,6 +49,11 @@ Future<void> main() async {
   //Initialize remote config
   _remoteConfigService = await RemoteConfigService.getInstance();
   await _remoteConfigService.initialize();
+  FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
+  await flutterLocalNotificationsPlugin
+      .resolvePlatformSpecificImplementation<
+      AndroidFlutterLocalNotificationsPlugin>()
+      ?.createNotificationChannel(channel);
 
   runApp(
     Provider<AdState>.value(
@@ -36,7 +63,45 @@ Future<void> main() async {
   );
 }
 
-class MyApp extends StatelessWidget {
+class MyApp extends StatefulWidget {
+  @override
+  _MyAppState createState() => _MyAppState();
+}
+
+class _MyAppState extends State<MyApp> {
+
+  String token;
+
+  @override
+  void initState() {
+    super.initState();
+    var initialzationSettingsAndroid =
+    AndroidInitializationSettings('@mipmap/ic_launcher');
+    var initializationSettings =
+    InitializationSettings(android: initialzationSettingsAndroid);
+
+    flutterLocalNotificationsPlugin.initialize(initializationSettings);
+
+    FirebaseMessaging.onMessage.listen((RemoteMessage message) {
+      RemoteNotification notification = message.notification;
+      AndroidNotification android = message.notification?.android;
+      if (notification != null && android != null) {
+        flutterLocalNotificationsPlugin.show(
+            notification.hashCode,
+            notification.title,
+            notification.body,
+            NotificationDetails(
+              android: AndroidNotificationDetails(
+                channel.id,
+                channel.name,
+                channel.description,
+                icon: android?.smallIcon,
+              ),
+            ));
+      }
+    });
+    getToken();
+  }
   @override
   Widget build(BuildContext context) {
     return GestureDetector(
@@ -84,6 +149,13 @@ class MyApp extends StatelessWidget {
           onGenerateRoute: RoutePage.generateRoute,
         ));
   }
+  getToken() async {
+    token = await FirebaseMessaging.instance.getToken();
+    setState(() {
+      token = token;
+    });
+    print(token);
+  }
 }
 
 class CustomScrollBehavior extends ScrollBehavior {

lib/services/product_service.dart

@@ -5,14 +5,14 @@ import 'package:relic_bazaar/model/product_model.dart';
 class ProductService {
   Future<List<Product>> getProducts() async {
     final http.Response response = await http.get(
-      'https://himanshusharma89-api.herokuapp.com/api/relic_bazaar/products',
+      Uri.parse('https://himanshusharma89-api.herokuapp.com/api/relic_bazaar/products'),
     );
     final List<dynamic> fetchedData =
-        json.decode(response.body) as List<dynamic>;
+    json.decode(response.body) as List<dynamic>;
     return fetchedData
         .map(
           (dynamic productData) => Product.fromJson(productData),
-        )
+    )
         .toList();
   }
 }

lib/services/remote_config.dart

@@ -33,15 +33,15 @@ class RemoteConfigService {
     try {
       await _remoteConfig.setDefaults(defaults);
       await _fetchAndActivate();
-    } on FetchThrottledException catch (e) {
+    } on Exception catch (e) {
       debugPrint('Remote config fetch throttled : $e');
     } catch (e) {
       debugPrint('Unable to fecth');
     }
   }
 
   Future<void> _fetchAndActivate() async {
-    await _remoteConfig.fetch(expiration: const Duration(hours: 4));
-    await _remoteConfig.activateFetched();
+    await _remoteConfig.fetch();
+    await _remoteConfig.activate();
   }
 }

lib/views/profile/settings/faqs_screen.dart

@@ -1,5 +1,5 @@
-import 'package:advance_pdf_viewer/advance_pdf_viewer.dart';
 import 'package:flutter/material.dart';
+import 'package:native_pdf_view/native_pdf_view.dart';
 import 'package:relic_bazaar/helpers/constants.dart';
 import 'package:relic_bazaar/widgets/back_button.dart';
 
@@ -9,55 +9,93 @@ class FaqsScreen extends StatefulWidget {
 }
 
 class _FaqsScreenState extends State<FaqsScreen> {
-  bool _loading = true;
-  PDFDocument _doc;
+  static final int _initialPage = 1;
+  int _actualPageNumber = _initialPage, _allPagesCount = 0;
+  bool isSampleDoc = true;
+  PdfController _pdfController;
 
   @override
   void initState() {
-    // TODO: implement initState
+    _pdfController = PdfController(
+      document: PdfDocument.openAsset('assets/FAQ.pdf'),
+      initialPage: _initialPage,
+    );
     super.initState();
-    loadDocument();
-  }
-
-  Future<void> loadDocument() async {
-    _doc = await PDFDocument.fromAsset('assets/FAQ.pdf');
-
-    setState(() => _loading = false);
   }
 
-  Future<void> changePDF(int value) async {
-    setState(() => _loading = true);
-    if (value == 1) {
-      _doc = await PDFDocument.fromAsset('assets/FAQ.pdf');
-    } else if (value == 2) {
-      _doc = await PDFDocument.fromURL(
-        'http://conorlastowka.com/book/CitationNeededBook-Sample.pdf',
-      );
-    } else {
-      _doc = await PDFDocument.fromAsset('assets/FAQ.pdf');
-    }
-    setState(() => _loading = false);
+  @override
+  void dispose() {
+    _pdfController.dispose();
+    super.dispose();
   }
 
   @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(
-        backgroundColor: RelicColors.backgroundColor,
-        leading: appBarBackButton(context),
-        title: const Text('FAQs'),
-        centerTitle: true,
-        elevation: 0.0,
-      ),
-      body:  Center(
-        child: _loading
-            ? const Center(child: CircularProgressIndicator())
-            : PDFViewer(
-                document: _doc,
-                zoomSteps: 1,
-                scrollDirection: Axis.vertical,
+  Widget build(BuildContext context) => MaterialApp(
+        debugShowCheckedModeBanner: false,
+        theme: ThemeData(primaryColor: Colors.white),
+        home: Scaffold(
+          appBar:  AppBar(
+            backgroundColor: RelicColors.backgroundColor,
+            leading: appBarBackButton(context),
+            title: const Text('FAQs'),
+            centerTitle: true,
+            elevation: 0.0,
+            actions: <Widget>[
+              IconButton(
+                icon: Icon(Icons.navigate_before),
+                onPressed: () {
+                  _pdfController.previousPage(
+                    curve: Curves.ease,
+                    duration: Duration(milliseconds: 100),
+                  );
+                },
               ),
-      ),
-    );
-  }
+              Container(
+                alignment: Alignment.center,
+                child: Text(
+                  '$_actualPageNumber/$_allPagesCount',
+                  style: TextStyle(fontSize: 22),
+                ),
+              ),
+              IconButton(
+                icon: Icon(Icons.navigate_next),
+                onPressed: () {
+                  _pdfController.nextPage(
+                    curve: Curves.ease,
+                    duration: Duration(milliseconds: 100),
+                  );
+                },
+              ),
+              IconButton(
+                icon: Icon(Icons.refresh),
+                onPressed: () {
+                  if (isSampleDoc) {
+                    _pdfController.loadDocument(
+                        PdfDocument.openAsset('assets/dummy.pdf'));
+                  } else {
+                    _pdfController.loadDocument(
+                        PdfDocument.openAsset('assets/sample.pdf'));
+                  }
+                  isSampleDoc = !isSampleDoc;
+                },
+              )
+            ],
+          ),
+          body: PdfView(
+            documentLoader: Center(child: CircularProgressIndicator()),
+            pageLoader: Center(child: CircularProgressIndicator()),
+            controller: _pdfController,
+            onDocumentLoaded: (document) {
+              setState(() {
+                _allPagesCount = document.pagesCount;
+              });
+            },
+            onPageChanged: (page) {
+              setState(() {
+                _actualPageNumber = page;
+              });
+            },
+          ),
+        ),
+      );
 }

pubspec.yaml

@@ -26,22 +26,25 @@ dependencies:
 
   fluttertoast: ^7.1.8
   flutter_html: ^1.3.0
-  firebase_remote_config: ^0.6.0
-  firebase_core: any
-  google_fonts: ^1.1.0
+  firebase_remote_config: ^0.10.0-dev.2
+  google_fonts: ^2.0.0
   razorpay_flutter: 1.1.0
   google_mobile_ads: ^0.11.0+3
   geolocator: 5.3.2+2
   geocoder: 0.2.1
   flutter_svg: ^0.20.0-nullsafety.3
   provider:
-  advance_pdf_viewer:
-  firebase_auth: 0.20.1
+  native_pdf_view: ^4.0.1
+  firebase_auth: ^1.1.3
+  http_parser: ^4.0.0
   google_sign_in: 4.5.9
   webview_flutter: ^1.0.7
-  cloud_firestore: ^0.16.0+1
   modal_progress_hud: ^0.1.3
   carousel_slider: ^3.0.0
+  firebase_messaging: ^9.1.0
+  flutter_local_notifications: ^5.0.0
+  cloud_firestore: ^1.0.5
+  firebase_core: ^1.0.2
   http: any
 
 dev_dependencies: