added smart notificator with 2 functions , local and push notifications

android/app/src/main/AndroidManifest.xml

@@ -36,6 +36,12 @@
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
+       <receiver android:name="com.dexterous.flutterlocalnotifications.ScheduledNotificationBootReceiver">
+           <intent-filter>
+               <action android:name="android.intent.action.BOOT_COMPLETED"></action>
+           </intent-filter>
+       </receiver>
+       <receiver android:name="com.dexterous.flutterlocalnotifications.ScheduledNotificationReceiver" />
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
         <meta-data

lib/I_GUIDER/i_guider.dart

 import 'package:covidefender/pages/heart_rate/heart_rate_screen.dart';
 import 'package:covidefender/pages/mask_detect/invoker.dart';
+import 'package:covidefender/pages/notificator/ui/MainNotificationUI.dart';
 import 'package:covidefender/pages/notificator/ui/notificator.dart';
 import 'package:covidefender/pages/self_carer/sc_main_screen.dart';
 import 'package:flutter/cupertino.dart';
@@ -66,7 +67,7 @@ class I_guider extends StatelessWidget {
                         label: Text('',
                             style: TextStyle(fontWeight: FontWeight.bold)),
                         onPressed: () {
-                          Navigator.push(context, MaterialPageRoute(builder: (context) => MessagingWidget() ));
+                          Navigator.push(context, MaterialPageRoute(builder: (context) => MainNotificationUI() ));
 
                         },
                         shape: RoundedRectangleBorder(

lib/pages/notificator/model/Notification_plugin.dart

+import 'dart:ffi';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:oktoast/oktoast.dart';
+import 'package:path_provider/path_provider.dart';
+import 'dart:io' show File, Platform;
+import 'package:http/http.dart' as http;
+
+import 'package:rxdart/subjects.dart';
+
+class NotificationPlugin {
+  //
+  FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin;
+  final BehaviorSubject<ReceivedNotification>
+  didReceivedLocalNotificationSubject =
+  BehaviorSubject<ReceivedNotification>();
+  var initializationSettings;
+
+  int awarenessLevel = 0;
+
+  NotificationPlugin._() {
+    init();
+  }
+
+  init() async {
+    flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
+    if (Platform.isIOS) {
+      _requestIOSPermission();
+    }
+    initializePlatformSpecifics();
+  }
+
+  initializePlatformSpecifics() {
+    var initializationSettingsAndroid =
+    AndroidInitializationSettings('app_notf_icon');
+    var initializationSettingsIOS = IOSInitializationSettings(
+      requestAlertPermission: true,
+      requestBadgePermission: true,
+      requestSoundPermission: false,
+      onDidReceiveLocalNotification: (id, title, body, payload) async {
+        ReceivedNotification receivedNotification = ReceivedNotification(
+            id: id, title: title, body: body, payload: payload);
+        didReceivedLocalNotificationSubject.add(receivedNotification);
+      },
+    );
+
+    initializationSettings = InitializationSettings(
+        initializationSettingsAndroid, initializationSettingsIOS);
+
+  }
+
+  _requestIOSPermission() {
+    flutterLocalNotificationsPlugin
+        .resolvePlatformSpecificImplementation<
+        IOSFlutterLocalNotificationsPlugin>()
+        .requestPermissions(
+      alert: false,
+      badge: true,
+      sound: true,
+    );
+  }
+
+  setListenerForLowerVersions(Function onNotificationInLowerVersions) {
+    didReceivedLocalNotificationSubject.listen((receivedNotification) {
+      onNotificationInLowerVersions(receivedNotification);
+    });
+  }
+
+  setOnNotificationClick(Function onNotificationClick) async {
+    await flutterLocalNotificationsPlugin.initialize(initializationSettings,
+        onSelectNotification: (String payload) async {
+          onNotificationClick(payload);
+        });
+  }
+
+  Future<void> showNotification() async {
+    var androidChannelSpecifics = AndroidNotificationDetails(
+      'CHANNEL_ID',
+      'CHANNEL_NAME',
+      "CHANNEL_DESCRIPTION",
+      importance: Importance.Max,
+      priority: Priority.High,
+      playSound: true,
+      timeoutAfter: 5000,
+      styleInformation: DefaultStyleInformation(true, true),
+    );
+    var iosChannelSpecifics = IOSNotificationDetails();
+    var platformChannelSpecifics =
+    NotificationDetails(androidChannelSpecifics, iosChannelSpecifics);
+    await flutterLocalNotificationsPlugin.show(
+      0,
+      'Healthy Tips',
+      'Always Keep Your Hands Clean !', //null
+      platformChannelSpecifics,
+      payload: 'New Payload',
+    );
+  }
+
+  // Future<void> showDailyAtTime() async {
+  //   var time = Time(21, 3, 0);
+  //   var androidChannelSpecifics = AndroidNotificationDetails(
+  //     'CHANNEL_ID 4',
+  //     'CHANNEL_NAME 4',
+  //     "CHANNEL_DESCRIPTION 4",
+  //     importance: Importance.Max,
+  //     priority: Priority.High,
+  //   );
+  //   var iosChannelSpecifics = IOSNotificationDetails();
+  //   var platformChannelSpecifics =
+  //   NotificationDetails(androidChannelSpecifics, iosChannelSpecifics);
+  //   await flutterLocalNotificationsPlugin.showDailyAtTime(
+  //     0,
+  //     'Test Title at ${time.hour}:${time.minute}.${time.second}',
+  //     'Test Body', //null
+  //     time,
+  //     platformChannelSpecifics,
+  //     payload: 'Test Payload',
+  //   );
+  // }
+
+  // Future<void> showWeeklyAtDayTime() async {
+  //   var time = Time(21, 5, 0);
+  //   var androidChannelSpecifics = AndroidNotificationDetails(
+  //     'CHANNEL_ID 5',
+  //     'CHANNEL_NAME 5',
+  //     "CHANNEL_DESCRIPTION 5",
+  //     importance: Importance.Max,
+  //     priority: Priority.High,
+  //   );
+  //   var iosChannelSpecifics = IOSNotificationDetails();
+  //   var platformChannelSpecifics =
+  //   NotificationDetails(androidChannelSpecifics, iosChannelSpecifics);
+  //   await flutterLocalNotificationsPlugin.showWeeklyAtDayAndTime(
+  //     0,
+  //     'Test Title at ${time.hour}:${time.minute}.${time.second}',
+  //     'Test Body', //null
+  //     Day.Saturday,
+  //     time,
+  //     platformChannelSpecifics,
+  //     payload: 'Test Payload',
+  //   );
+  // }
+
+  Future<void> repeatNotification() async {
+    RepeatInterval Freq;
+    if(awarenessLevel != null ){
+      print('::: awareness is at :'+awarenessLevel.toString());
+      if(awarenessLevel >= 0 && awarenessLevel < 2){
+         Freq = RepeatInterval.EveryMinute;
+         print('::: awareness is 0 - 2');
+
+      }else if(awarenessLevel >= 2 && awarenessLevel < 4){
+         Freq = RepeatInterval.Hourly;
+         print('::: awareness is 2 - 3 ');
+
+      }else if(awarenessLevel == 4){
+         Freq = RepeatInterval.Daily;
+         print('::: awareness is  4');
+      }else{
+        showToast(
+          "Awareness level is not compatible , please try again !",
+          duration: Duration(seconds: 2),
+          position: ToastPosition.bottom,
+          backgroundColor: Colors.black.withOpacity(0.8),
+          radius: 13.0,
+          textStyle: TextStyle(fontSize: 18.0),
+        );
+      }
+
+    }else{
+      showToast(
+        "Awareness level is not Availble  !",
+        duration: Duration(seconds: 2),
+        position: ToastPosition.bottom,
+        backgroundColor: Colors.black.withOpacity(0.8),
+        radius: 13.0,
+        textStyle: TextStyle(fontSize: 18.0),
+      );
+    }
+
+    var androidChannelSpecifics = AndroidNotificationDetails(
+      'CHANNEL_ID 3',
+      'CHANNEL_NAME 3',
+      "CHANNEL_DESCRIPTION 3",
+      importance: Importance.Max,
+      priority: Priority.High,
+      styleInformation: DefaultStyleInformation(true, true),
+    );
+    var iosChannelSpecifics = IOSNotificationDetails();
+    var platformChannelSpecifics =
+    NotificationDetails(androidChannelSpecifics, iosChannelSpecifics);
+    await flutterLocalNotificationsPlugin.periodicallyShow(
+      0,
+      'Tips from COVIDEFENDER :D ',
+      'Always Keep Your Hands Clean !',
+      Freq,
+      platformChannelSpecifics,
+      payload: 'Test Payload',
+    );
+
+  }
+
+  // Future<void> scheduleNotification() async {
+  //   var scheduleNotificationDateTime = DateTime.now().add(Duration(seconds: 5));
+  //   var androidChannelSpecifics = AndroidNotificationDetails(
+  //     'CHANNEL_ID 1',
+  //     'CHANNEL_NAME 1',
+  //     "CHANNEL_DESCRIPTION 1",
+  //     icon: 'secondary_icon',
+  //     sound: RawResourceAndroidNotificationSound('my_sound'),
+  //     largeIcon: DrawableResourceAndroidBitmap('large_notf_icon'),
+  //     enableLights: true,
+  //     color: const Color.fromARGB(255, 255, 0, 0),
+  //     ledColor: const Color.fromARGB(255, 255, 0, 0),
+  //     ledOnMs: 1000,
+  //     ledOffMs: 500,
+  //     importance: Importance.Max,
+  //     priority: Priority.High,
+  //     playSound: true,
+  //     timeoutAfter: 5000,
+  //     styleInformation: DefaultStyleInformation(true, true),
+  //   );
+  //   var iosChannelSpecifics = IOSNotificationDetails(
+  //     sound: 'my_sound.aiff',
+  //   );
+  //   var platformChannelSpecifics = NotificationDetails(
+  //     androidChannelSpecifics,
+  //     iosChannelSpecifics,
+  //   );
+  //   await flutterLocalNotificationsPlugin.schedule(
+  //     0,
+  //     'Test Title',
+  //     'Test Body',
+  //     scheduleNotificationDateTime,
+  //     platformChannelSpecifics,
+  //     payload: 'Test Payload',
+  //   );
+  // }
+
+  // Future<void> showNotificationWithAttachment() async {
+  //   var attachmentPicturePath = await _downloadAndSaveFile(
+  //       'https://via.placeholder.com/800x200', 'attachment_img.jpg');
+  //   var iOSPlatformSpecifics = IOSNotificationDetails(
+  //     attachments: [IOSNotificationAttachment(attachmentPicturePath)],
+  //   );
+  //   var bigPictureStyleInformation = BigPictureStyleInformation(
+  //     FilePathAndroidBitmap(attachmentPicturePath),
+  //     contentTitle: '<b>Attached Image</b>',
+  //     htmlFormatContentTitle: true,
+  //     summaryText: 'Test Image',
+  //     htmlFormatSummaryText: true,
+  //   );
+  //   var androidChannelSpecifics = AndroidNotificationDetails(
+  //     'CHANNEL ID 2',
+  //     'CHANNEL NAME 2',
+  //     'CHANNEL DESCRIPTION 2',
+  //     importance: Importance.High,
+  //     priority: Priority.High,
+  //     styleInformation: bigPictureStyleInformation,
+  //   );
+  //   var notificationDetails =
+  //   NotificationDetails(androidChannelSpecifics, iOSPlatformSpecifics);
+  //   await flutterLocalNotificationsPlugin.show(
+  //     0,
+  //     'Title with attachment',
+  //     'Body with Attachment',
+  //     notificationDetails,
+  //   );
+  // }
+
+  // _downloadAndSaveFile(String url, String fileName) async {
+  //   var directory = await getApplicationDocumentsDirectory();
+  //   var filePath = '${directory.path}/$fileName';
+  //   var response = await http.get(url);
+  //   var file = File(filePath);
+  //   await file.writeAsBytes(response.bodyBytes);
+  //   return filePath;
+  // }
+
+  // Future<int> getPendingNotificationCount() async {
+  //   List<PendingNotificationRequest> p =
+  //   await flutterLocalNotificationsPlugin.pendingNotificationRequests();
+  //   return p.length;
+  // }
+
+  // Future<void> cancelNotification() async {
+  //   await flutterLocalNotificationsPlugin.cancel(0);
+  // }
+
+  // Future<void> cancelAllNotification() async {
+  //   await flutterLocalNotificationsPlugin.cancelAll();
+  // }
+}
+
+NotificationPlugin notificationPlugin = NotificationPlugin._();
+
+class ReceivedNotification {
+  final int id;
+  final String title;
+  final String body;
+  final String payload;
+
+  ReceivedNotification({
+    @required this.id,
+    @required this.title,
+    @required this.body,
+    @required this.payload,
+  });
+}
\ No newline at end of file

lib/pages/notificator/ui/LocalNotificationUI.dart

+import 'package:covidefender/pages/notificator/model/Notification_plugin.dart';
+import 'package:flutter/material.dart';
+
+import 'NotificationUI.dart';
+
+
+
+class LocalNotificationScreen extends StatefulWidget {
+  @override
+  _LocalNotificationScreenState createState() =>
+      _LocalNotificationScreenState();
+}
+
+class _LocalNotificationScreenState extends State<LocalNotificationScreen> {
+  //
+
+  int count = 0;
+
+  @override
+  void initState() {
+    super.initState();
+    notificationPlugin
+        .setListenerForLowerVersions(onNotificationInLowerVersions);
+    notificationPlugin.setOnNotificationClick(onNotificationClick);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        backgroundColor: Colors.green,
+        title: Text('Local Notifications'),
+      ),
+      body: Center(
+        child: FlatButton(
+          onPressed: () async {
+            await notificationPlugin.showNotification();
+            // await notificationPlugin.scheduleNotification();
+            // await notificationPlugin.showNotificationWithAttachment();
+            await notificationPlugin.repeatNotification();
+            // await notificationPlugin.showDailyAtTime();
+            // await notificationPlugin.showWeeklyAtDayTime();
+            // count = await notificationPlugin.getPendingNotificationCount();
+            // print('Count $count');
+            // await notificationPlugin.cancelNotification();
+            // count = await notificationPlugin.getPendingNotificationCount();
+            // print('Count $count');
+          },
+          child: Text('Send Notification'),
+        ),
+      ),
+    );
+  }
+
+  onNotificationInLowerVersions(ReceivedNotification receivedNotification) {
+    print('Notification Received ${receivedNotification.id}');
+  }
+
+  onNotificationClick(String payload) {
+    print('Payload $payload');
+    Navigator.push(context, MaterialPageRoute(builder: (coontext) {
+      return NotificationScreen(
+        payload: payload,
+      );
+    }));
+  }
+}

lib/pages/notificator/ui/MainNotificationUI.dart

+import 'package:flutter/material.dart';
+
+import 'LocalNotificationUI.dart';
+import 'notificator.dart';
+
+class MainNotificationUI extends StatefulWidget {
+  //
+  final String payload;
+
+  MainNotificationUI({this.payload});
+
+  @override
+  _NotificationScreenState createState() => _NotificationScreenState();
+}
+
+class _NotificationScreenState extends State<MainNotificationUI> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        backgroundColor: Colors.green,
+        title: Text('Smart Notifier'),
+      ),
+      body: Center(
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          mainAxisAlignment: MainAxisAlignment.end,
+          children: [
+            Padding(
+              padding: const EdgeInsets.fromLTRB(8,8,8,8),
+              child: SizedBox(
+                child: ElevatedButton(
+                    style: ElevatedButton.styleFrom(
+                        primary: Colors.green[300],
+                        elevation: 15,
+                        shape: RoundedRectangleBorder(
+                            borderRadius: BorderRadius.circular(12)
+                        )
+                    ),
+                    onPressed: (){
+
+                  Navigator.push(context, MaterialPageRoute(builder: (context) => LocalNotificationScreen() ));
+
+                }, child: Text("Local Notifications")),
+              ),
+            ),
+            Padding(
+              padding: const EdgeInsets.fromLTRB(8,8,8,100),
+              child: SizedBox(
+                child: ElevatedButton(
+                    style: ElevatedButton.styleFrom(
+                        primary: Colors.green[300],
+                        elevation: 15,
+                        shape: RoundedRectangleBorder(
+                            borderRadius: BorderRadius.circular(12)
+                        )
+                    ),
+                    onPressed: (){
+                  Navigator.push(context, MaterialPageRoute(builder: (context) => MessagingWidget() ));
+
+                }, child: Text("Push Notifications")),
+              ),
+            )
+          ],
+        ),
+      ),
+    );
+  }
+}
+

lib/pages/notificator/ui/NotificationUI.dart

+import 'package:flutter/material.dart';
+
+class NotificationScreen extends StatefulWidget {
+  //
+  final String payload;
+
+  NotificationScreen({this.payload});
+
+  @override
+  _NotificationScreenState createState() => _NotificationScreenState();
+}
+
+class _NotificationScreenState extends State<NotificationScreen> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Notifications Screen'),
+      ),
+      body: Center(
+        child: Text(widget.payload),
+      ),
+    );
+  }
+}

lib/pages/notificator/ui/notificator.dart

@@ -51,6 +51,7 @@ class _MessagingWidgetState extends State<MessagingWidget> {
   Widget build(BuildContext context) {
     return Scaffold(
         appBar: AppBar(
+          backgroundColor: Colors.green,
           title: Text("Smart - Notificator "),
         ),
         body: Container(
@@ -64,7 +65,7 @@ class _MessagingWidgetState extends State<MessagingWidget> {
                   spreadRadius: 5)
             ],
             gradient: LinearGradient(
-              colors: [Colors.blue[600], Colors.white],
+              colors: [Colors.green[600], Colors.white],
               begin: Alignment.centerLeft,
               end: Alignment.centerRight,
             ),

pubspec.yaml

@@ -36,7 +36,9 @@ dependencies:
   google_fonts: ^1.1.2
   flutter_sms: ^2.1.1
   firebase_messaging: ^4.0.0+1
-
+  rxdart: ^0.24.1
+  path_provider: ^1.6.11
+  flutter_local_notifications: ^1.4.4+1
 
 
   # The following adds the Cupertino Icons font to your application.
@@ -44,11 +46,8 @@ dependencies:
   cupertino_icons: ^1.0.2
   http: ^0.12.2
 
-  #add dependencies for heart rate module
-
-  
-  
 
+  #add dependencies for heart rate module
 
   camera:
     git: