Added notification feature

Author: noobcoder17

android/app/src/main/AndroidManifest.xml

@@ -2,6 +2,9 @@
     package="com.drinkable.drinkable">
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+     <uses-permission android:name="android.permission.VIBRATE" />
+     <uses-permission android:name="android.permission.WAKE_LOCK" />
 
     <application
         android:name="io.flutter.app.FlutterApplication"
@@ -38,6 +41,13 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <receiver android:name="com.dexterous.flutterlocalnotifications.ScheduledNotificationReceiver" />
+        <receiver android:name="com.dexterous.flutterlocalnotifications.ScheduledNotificationBootReceiver">
+          <intent-filter>
+            <action android:name="android.intent.action.BOOT_COMPLETED"/>
+            <action android:name="android.intent.action.MY_PACKAGE_REPLACED"/>
+          </intent-filter>
+        </receiver>
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
         <meta-data

lib/main.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 import 'package:firebase_core/firebase_core.dart';
-
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 
 // providers
 import './providers/home_provider.dart';
@@ -22,6 +22,17 @@ void main() async {
       DeviceOrientation.portraitUp
     ]
   );
+
+  FlutterLocalNotificationsPlugin notificationsPlugin = FlutterLocalNotificationsPlugin();
+  AndroidInitializationSettings android = AndroidInitializationSettings('notification_icon');
+  IOSInitializationSettings ios = IOSInitializationSettings();
+  InitializationSettings settings = InitializationSettings(
+    android,ios
+  );
+  await notificationsPlugin.initialize(
+    settings,
+  );
+
   runApp(MyApp());
 }
 

lib/providers/auth_provider.dart

@@ -7,6 +7,9 @@ import 'package:google_sign_in/google_sign_in.dart';
 // models
 import '../models/app_user.dart';
 
+//utils
+import '../utils/notification_utils.dart';
+
 
 class AuthProvider extends ChangeNotifier {
   FirebaseFirestore _firestore = FirebaseFirestore.instance;
@@ -31,6 +34,13 @@ class AuthProvider extends ChangeNotifier {
       if(docs.length==0){
         return true;
       }
+      QueryDocumentSnapshot userDoc = docs[0];
+      Map<String,dynamic> data = userDoc.data();
+      TimeOfDay wakeUpTime = TimeOfDay(
+        hour: data['wake_up_time']['hour'],
+        minute: data['wake_up_time']['minute']
+      );
+      await setDailyStartNotification(wakeUpTime,data['name']);
       return false;
     }catch(e){
       print(e);
@@ -70,6 +80,7 @@ class AuthProvider extends ChangeNotifier {
         wakeUpTime: time,
         dailyTarget: water
       ).toDoc());
+      await setDailyStartNotification(time,user.displayName);
       notifyListeners();
     }catch(e){
       print(e);
@@ -82,6 +93,7 @@ class AuthProvider extends ChangeNotifier {
   }
 
   void signOut() async {
+    await cancelAllNotifications();
     await _googleSignIn.signOut();
     await _firebaseAuth.signOut();
     notifyListeners();

lib/providers/home_provider.dart

@@ -4,16 +4,18 @@ import 'package:location/location.dart';
 import 'dart:convert';
 import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:firebase_auth/firebase_auth.dart';
+
 // utils
 import '../utils/get_week.dart';
-
+import '../utils/notification_utils.dart';
 //values
 import '../values/api_key.dart';
 
 // models
 import '../models/weekly_data.dart';
 import '../models/app_user.dart';
 
+
 class HomeProvider extends ChangeNotifier {
   FirebaseFirestore _firebaseFirestore = FirebaseFirestore.instance;
   Location _location = Location();
@@ -161,6 +163,11 @@ class HomeProvider extends ChangeNotifier {
       });
       if(_weeklyData.id==weekId){
         _weeklyData.amounts[weekday.toString()] += amount;
+        if(weekday==DateTime.now().weekday){
+          if(leftAmount>0){
+            await waterNotification(leftAmount);
+          }
+        }
         notifyListeners();
       }
     }catch(e){
@@ -198,6 +205,7 @@ class HomeProvider extends ChangeNotifier {
         });
         transaction.update(_userRef, appUser.toDoc());
       });
+      await setDailyStartNotification(appUser.wakeUpTime,appUser.name);
       _appUser = appUser;
       notifyListeners();
     }catch(e){

lib/utils/notification_utils.dart

@@ -0,0 +1,79 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'dart:typed_data';
+
+NotificationDetails getNotificationDetails(){
+  AndroidNotificationDetails android = AndroidNotificationDetails(
+    'channel_id', 
+    'channel_name', 
+    'channel_description',
+
+    visibility: NotificationVisibility.Public,
+    priority: Priority.Max,
+    importance: Importance.Max,
+
+    ledColor: const Color.fromARGB(255,0, 200, 255),
+    ledOffMs: 500,
+    ledOnMs: 300,
+
+    enableLights: true,
+
+    color: Colors.blue,
+    
+    additionalFlags: Int32List.fromList([8]),
+    category: 'reminder',
+
+    playSound: true,
+    sound: RawResourceAndroidNotificationSound('notification_sound'),
+
+    enableVibration: true,
+    vibrationPattern: Int64List.fromList([0,1000,1000,1000]),
+  );
+  IOSNotificationDetails ios = IOSNotificationDetails();
+  NotificationDetails details = NotificationDetails(android, ios);
+  return details;
+}
+
+Future<void> setDailyStartNotification(TimeOfDay time, String user)async{
+  try{
+    FlutterLocalNotificationsPlugin plugin = FlutterLocalNotificationsPlugin();
+    NotificationDetails notificationDetails = getNotificationDetails();
+    await plugin.cancel(0);
+    await plugin.showDailyAtTime(
+      0, 
+      "Good Morning, $user", 
+      "Don't forget to dring enoung water today", 
+      Time(time.hour,time.minute), 
+      notificationDetails
+    );
+  }catch(e){
+    print(e);
+  }
+}
+
+Future<void> waterNotification(int left)async {
+  try{
+    FlutterLocalNotificationsPlugin plugin = FlutterLocalNotificationsPlugin();
+    NotificationDetails notificationDetails = getNotificationDetails();
+    await plugin.cancel(1);
+    await plugin.schedule(
+      1, 
+      "Hey, it's time to drink water", 
+      "$left mL water left to drink today",
+      DateTime.now().add(Duration(hours: 1,minutes: 30)),
+      notificationDetails
+    );
+  }catch(e){
+    print(e);
+  }
+}
+
+
+Future<void> cancelAllNotifications() async{
+  try{
+    FlutterLocalNotificationsPlugin plugin = FlutterLocalNotificationsPlugin();
+    await plugin.cancelAll();
+  }catch(e){
+    print(e);
+  }
+}

pubspec.lock

@@ -153,6 +153,20 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_local_notifications:
+    dependency: "direct main"
+    description:
+      name: flutter_local_notifications
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.4+4"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   flutter_test:
     dependency: "direct dev"
     description: flutter

pubspec.yaml

@@ -22,6 +22,7 @@ dependencies:
   cloud_firestore: ^0.14.0+2
   location: ^3.0.2
   http: ^0.12.2
+  flutter_local_notifications: ^1.4.4+4
 
 dev_dependencies:
   flutter_test: