Optional background tracking taking 5 random times, instead of 5 regular times per day

.gitignore

@@ -50,5 +50,4 @@ android/app/src/debug/AndroidManifest.xml
 android/app/src/debug/res/values/strings.xml
 android/app/src/profile/AndroidManifest.xml
 
-ios/Runner/GoogleService-Info.plist
-ios/Runner/Info.plist
+ios/Runner/GoogleService-Info.plist

README.md

@@ -8,8 +8,7 @@ Mosquito Alert is a mobile phone application that is part of a larger citizen sc
 1. Clone the repository to your local machine
 2. Go to android/local.properties and at the end of the file add the following lines: (If the file doesn't exist, just create it yourself)
 ```
-# By leaving the values empty, the app will compile successfully but packages using those licenses will display an error (this is ok!)
-transistorsoft.Key=
+# By leaving the values empty, the app will compile successfully but packages using this license will display an error (this is ok!)
 googlemaps.Key=
 ```
 3. Run the following commands, one by one

android/app/build.gradle

@@ -34,7 +34,6 @@ apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 Properties properties = new Properties()
 properties.load(project.rootProject.file('local.properties').newDataInputStream())
-def transistorsoftKey = properties.getProperty('transistorsoft.Key')
 def googlemapsKey = properties.getProperty('googlemaps.Key')
 
 android {
@@ -60,7 +59,6 @@ android {
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
         manifestPlaceholders = [
-            transistorsoftKey: transistorsoftKey, 
             googlemapsKey: googlemapsKey
             ]
     }

ios/Runner.xcodeproj/project.pbxproj

@@ -700,3 +700,9 @@
 	};
 	rootObject = 97C146E61CF9000F007C117D /* Project object */;
 }
+
+SystemCapabilities = {
+	com.apple.BackgroundModes = {
+		enabled = 1;
+	};
+};

ios/Runner/AppDelegate.swift

@@ -2,6 +2,7 @@ import UIKit
 import Flutter
 import GoogleMaps
 import Firebase
+import workmanager
 
 @UIApplicationMain
 @objc class AppDelegate: FlutterAppDelegate {
@@ -16,6 +17,9 @@ import Firebase
     }
     GMSServices.provideAPIKey("AIzaSyC5szIWBSfTg3SzJPkTPU7DPfZcdkvFd4A")
     GeneratedPluginRegistrant.register(with: self)
+    UIApplication.shared.setMinimumBackgroundFetchInterval(TimeInterval(60*15))
+    WorkmanagerPlugin.registerBGProcessingTask(withIdentifier: "trackingTask")
+    WorkmanagerPlugin.registerBGProcessingTask(withIdentifier: "scheduleDailyTasks")
     return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }
 }

ios/Runner/Info.plist

@@ -0,0 +1,210 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>BGTaskSchedulerPermittedIdentifiers</key>
+	<array>
+		<string>com.example.mosquito_alert_app.scheduleDailyTasks</string>
+    	<string>com.example.mosquito_alert_app.trackingTask</string>
+	</array>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>cat.ibeji.tigatrapp</string>
+	<key>MinimumOSVersion</key>  
+	<string>13.0</string>  
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>Mosquito Alert</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(MARKETING_VERSION)</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleTypeRole</key>
+			<string>Editor</string>
+			<key>CFBundleURLName</key>
+			<string>com.example.mosquito_alert_app.ios.deep</string>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>fb1971217746245293</string>
+			</array>
+		</dict>
+		<dict>
+			<key>CFBundleTypeRole</key>
+			<string>Editor</string>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>com.googleusercontent.apps.960892168613-7b7r7duu9j9setj1vaa2tocola7l6g44</string>
+			</array>
+		</dict>
+		<dict>
+			<key>CFBundleTypeRole</key>
+			<string>Editor</string>
+			<key>CFBundleURLName</key>
+			<string>twitter</string>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>twitterkit-555555555</string>
+			</array>
+		</dict>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>FacebookAppID</key>
+	<string>346752412924238</string>
+	<key>FacebookDisplayName</key>
+	<string>Mosquito Alert</string>
+	<key>LSApplicationQueriesSchemes</key>
+	<array>
+		<string>fbapi</string>
+		<string>fb-messenger-share-api</string>
+		<string>fbauth2</string>
+		<string>fbshareextension</string>
+		<string>twitter</string>
+		<string>twitterauth</string>
+	</array>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>NSAppTransportSecurity</key>
+	<dict>
+		<key>NSExceptionDomains</key>
+		<dict>
+			<key>creaf.cat</key>
+			<dict>
+				<key>NSExceptionAllowsInsecureHTTPLoads</key>
+				<true/>
+				<key>NSExceptionMinimumTLSVersion</key>
+				<string>TLSv1.2</string>
+				<key>NSExceptionRequiresForwardSecrecy</key>
+				<true/>
+				<key>NSIncludesSubdomains</key>
+				<true/>
+				<key>NSRequiresCertificateTransparency</key>
+				<false/>
+				<key>NSThirdPartyExceptionAllowsInsecureHTTPLoads</key>
+				<false/>
+				<key>NSThirdPartyExceptionMinimumTLSVersion</key>
+				<string>TLSv1.2</string>
+				<key>NSThirdPartyExceptionRequiresForwardSecrecy</key>
+				<true/>
+			</dict>
+			<key>madev.creaf.cat</key>
+			<dict>
+				<key>NSExceptionAllowsInsecureHTTPLoads</key>
+				<true/>
+				<key>NSExceptionMinimumTLSVersion</key>
+				<string>TLSv1.2</string>
+				<key>NSExceptionRequiresForwardSecrecy</key>
+				<true/>
+				<key>NSIncludesSubdomains</key>
+				<true/>
+				<key>NSRequiresCertificateTransparency</key>
+				<false/>
+				<key>NSThirdPartyExceptionAllowsInsecureHTTPLoads</key>
+				<false/>
+				<key>NSThirdPartyExceptionMinimumTLSVersion</key>
+				<string>TLSv1.2</string>
+				<key>NSThirdPartyExceptionRequiresForwardSecrecy</key>
+				<true/>
+			</dict>
+			<key>mosquitoalert.com</key>
+			<dict>
+				<key>NSExceptionAllowsInsecureHTTPLoads</key>
+				<true/>
+				<key>NSExceptionMinimumTLSVersion</key>
+				<string>TLSv1.2</string>
+				<key>NSExceptionRequiresForwardSecrecy</key>
+				<true/>
+				<key>NSIncludesSubdomains</key>
+				<true/>
+				<key>NSRequiresCertificateTransparency</key>
+				<false/>
+				<key>NSThirdPartyExceptionAllowsInsecureHTTPLoads</key>
+				<false/>
+				<key>NSThirdPartyExceptionMinimumTLSVersion</key>
+				<string>TLSv1.2</string>
+				<key>NSThirdPartyExceptionRequiresForwardSecrecy</key>
+				<true/>
+			</dict>
+			<key>webserver.mosquitoalert.com</key>
+			<dict>
+				<key>NSExceptionAllowsInsecureHTTPLoads</key>
+				<true/>
+				<key>NSExceptionMinimumTLSVersion</key>
+				<string>TLSv1.2</string>
+				<key>NSExceptionRequiresForwardSecrecy</key>
+				<true/>
+				<key>NSIncludesSubdomains</key>
+				<true/>
+				<key>NSRequiresCertificateTransparency</key>
+				<false/>
+				<key>NSThirdPartyExceptionAllowsInsecureHTTPLoads</key>
+				<false/>
+				<key>NSThirdPartyExceptionMinimumTLSVersion</key>
+				<string>TLSv1.2</string>
+				<key>NSThirdPartyExceptionRequiresForwardSecrecy</key>
+				<true/>
+			</dict>
+		</dict>
+	</dict>
+	<key>NSAppleMusicUsageDescription</key>
+	<string>We need access to this feature in order to show results suited for you.</string>
+	<key>NSCalendarsUsageDescription</key>
+	<string>We need access to this feature in order to show results suited for you.</string>
+	<key>NSCameraUsageDescription</key>
+	<string>We use your camera to take pictures of what you want to ask us.</string>
+	<key>NSContactsUsageDescription</key>
+	<string>We need access to this feature in order to show results suited for you.</string>
+	<key>NSLocationAlwaysAndWhenInUseUsageDescription</key>
+	<string>We use your location to search and show business around you.</string>
+	<key>NSLocationAlwaysUsageDescription</key>
+	<string>We use your location to search and show business around you.</string>
+	<key>NSLocationUsageDescription</key>
+	<string>We use your location to search and show business around you.</string>
+	<key>NSLocationWhenInUseUsageDescription</key>
+	<string>We use your location to search and show business around you.</string>
+	<key>NSMotionUsageDescription</key>
+	<string>Motion usage description</string>
+	<key>NSPhotoLibraryAddUsageDescription</key>
+	<string>We use your image gallery to take pictures of what you want to ask us.</string>
+	<key>NSPhotoLibraryUsageDescription</key>
+	<string>We use your image gallery to take pictures of what you want to ask us.</string>
+	<key>NSSpeechRecognitionUsageDescription</key>
+	<string>We need access to this feature in order to show results suited for you.</string>
+	<key>NSUserTrackingUsageDescription</key>
+	<string>We use your device identifier to track you across sessions and to save your reports accordingly.</string>
+	<key>UIBackgroundModes</key>
+	<array>
+		<string>fetch</string>
+		<string>location</string>
+		<string>processing</string>
+	</array>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
+	<key>io.flutter.embedded_views_preview</key>
+	<true/>
+</dict>
+</plist>

lib/main.dart

@@ -1,8 +1,6 @@
 import 'dart:async';
 
-import 'package:battery_plus/battery_plus.dart';
-import 'package:geolocator/geolocator.dart';
-import 'package:mosquito_alert_app/utils/UserManager.dart';
+import 'package:mosquito_alert_app/utils/BackgroundTracking.dart';
 import 'package:workmanager/workmanager.dart';
 
 import 'package:connectivity/connectivity.dart';
@@ -33,7 +31,18 @@ void main({String env = 'prod'}) async {
     isInDebugMode: false
   );
 
-  await Workmanager().registerPeriodicTask('backgroundTracking', 'backgroundTracking', frequency: Duration(hours: 4, minutes: 48));
+  // Start background tracking at midnight to ensure 5 random samples per day
+  var now = DateTime.now().toLocal();
+  var nextMidnight = DateTime(now.year, now.month, now.day + 1);
+  var timeUntilMidnight = nextMidnight.difference(now);
+
+  await Workmanager().registerPeriodicTask(
+    'scheduleDailyTasks',
+    'scheduleDailyTasks',
+    tag: 'scheduleDailyTasks',
+    frequency: Duration(days: 1),
+    initialDelay: timeUntilMidnight,
+  );
 
   runApp(MyApp());
 }
@@ -43,19 +52,12 @@ void callbackDispatcher() {
     await Firebase.initializeApp();
 
     switch (task) {
-      case 'backgroundTracking':
-        var permission = await Geolocator.checkPermission();
-        var isBgTrackingEnabled = await UserManager.getTracking();
-
-        if (permission == LocationPermission.always && isBgTrackingEnabled){
-          var position = await Geolocator.getCurrentPosition(desiredAccuracy: LocationAccuracy.high);
-          var battery = Battery();
-          await ApiSingleton().sendFixes(position.latitude,
-                                         position.longitude,
-                                         DateTime.now().toUtc().toIso8601String(),
-                                         await battery.batteryLevel);
-          break;
-        }
+      case 'trackingTask':
+        await BackgroundTracking.trackingTask();
+        break;
+      case 'scheduleDailyTasks':
+        await BackgroundTracking.scheduleMultipleTrackingTask(5);
+        break;
     }
     return Future.value(true);
   });

lib/pages/settings_pages/settings_page.dart

@@ -18,6 +18,7 @@ import 'package:mosquito_alert_app/utils/UserManager.dart';
 import 'package:mosquito_alert_app/utils/Utils.dart';
 import 'package:mosquito_alert_app/utils/style.dart';
 import 'package:package_info/package_info.dart';
+import 'package:workmanager/workmanager.dart';
 
 class SettingsPage extends StatefulWidget {
   SettingsPage();
@@ -182,6 +183,9 @@ class _SettingsPageState extends State<SettingsPage> {
                   setState(() {
                     isBgTrackingEnabled = trackingStatus;
                   });
+                  if (!isBgTrackingEnabled){
+                    await Workmanager().cancelByTag('trackingTask');
+                  }
                 },
               ),
             ),