Request Notifications Permission required for Android 13 and above

android/app/src/main/AndroidManifest.xml

@@ -1,6 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
     <application
         android:label="cofounderella"
         android:name="${applicationName}"

lib/main.dart

@@ -26,6 +26,8 @@ void main() async {
 
   final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
       FlutterLocalNotificationsPlugin();
+  flutterLocalNotificationsPlugin.resolvePlatformSpecificImplementation<
+      AndroidFlutterLocalNotificationsPlugin>()?.requestNotificationsPermission();
   const AndroidInitializationSettings initializationSettingsAndroid =
       AndroidInitializationSettings('@mipmap/ic_launcher');
   const InitializationSettings initializationSettings =

lib/services/swipe_stream_service.dart

@@ -50,7 +50,7 @@ class SwipeStreamService {
     String matchName = await UserService.getUserName(swipeId);
     const AndroidNotificationDetails androidPlatformChannelSpecifics =
         AndroidNotificationDetails(
-            'my_match_channel_id', 'my_match_channel_name',
+            'new_matches_channel_id', 'new_match_info',
             channelShowBadge: true,
             visibility: NotificationVisibility.private,
             importance: Importance.max,

lib/utils/math.dart

@@ -45,7 +45,8 @@ String convertDecimalToDMS(double decimalValue, {required bool isLatitude}) {
 double calculateDistance(double lat1, double lon1, double lat2, double lon2) {
   const R = 6371; // earth radius in kilometers
 
-  // distance between latitudes and longitudes
+  // Haversine formula to get distance between latitudes and longitudes
+  // https://en.wikipedia.org/wiki/Haversine_formula
   final dLat = _degreesToRadians(lat2 - lat1);
   final dLon = _degreesToRadians(lon2 - lon1);