removed redundant code

lib/addevent.dart

@@ -5,15 +5,15 @@ import 'dart:async';
 import 'package:geolocator/geolocator.dart';
 
 class AddEvent extends StatefulWidget {
+  const AddEvent({Key? key}) : super(key: key);
+
   @override
   State<AddEvent> createState() => _AddEventPageState();
 }
 
 class _AddEventPageState extends State<AddEvent>  {
-  bool disableGnssEditing = true;
+  bool disableGNSSEditing = true;
   final List<bool> _isGNSSSelected = [true];
-  bool servicestatus = false;
-  bool haspermission = false;
   late LocationPermission permission;
   late Position position;
   late String long = "";
@@ -27,24 +27,9 @@ class _AddEventPageState extends State<AddEvent>  {
   );
 
   getLocation() async {
-    position =
-    await Geolocator.getCurrentPosition(desiredAccuracy: LocationAccuracy.high);
-    print('Get Location: Lat:' + position.latitude.toString() +
-        ' Long:' + position.longitude.toString() +
-        ' Alt:' + position.altitude.toString());
-
-    long = position.longitude.toString();
-    lat = position.latitude.toString();
-    alt = position.altitude.toString();
-    accuracy = position.accuracy;
-
-    if (mounted){
-    setState(() {
-      //refresh UI
-    });};
     StreamSubscription<Position> positionStream = Geolocator.getPositionStream(
         locationSettings: locationSettings).listen((Position position) {
-      print('Get Location: Lat:' + position.latitude.toString() +
+      debugPrint('Get Location: Lat:' + position.latitude.toString() +
           ' Long:' + position.longitude.toString() +
           ' Alt:' + position.altitude.toString());
 
@@ -54,38 +39,39 @@ class _AddEventPageState extends State<AddEvent>  {
       accuracy = position.accuracy;
 
 
-      if (disableGnssEditing == true) {
+      if (disableGNSSEditing == true) {
         if(mounted){
         setState(() {
           //refresh UI on update
-        });};
+        });}
       };
     });
   }
 
-
   startGNSS() async {
-    print("CheckGnssPermission");
-    servicestatus = await Geolocator.isLocationServiceEnabled();
-    if(servicestatus){
+    debugPrint("Check Location Permission");
+    bool serviceStatus = false;
+    bool hasPermission = false;
+    serviceStatus = await Geolocator.isLocationServiceEnabled();
+    if(serviceStatus){
       permission = await Geolocator.checkPermission();
 
       if (permission == LocationPermission.denied) {
         permission = await Geolocator.requestPermission();
         if (permission == LocationPermission.denied) {
-          print('Location permissions are denied');
+          debugPrint('Location permissions are denied');
         }else if(permission == LocationPermission.deniedForever){
-          print('Location permissions are permanently denied');
+          debugPrint('Location permissions are permanently denied');
         }else{
-          haspermission = true;
+          hasPermission = true;
         }
       }else{
-        haspermission = true;
+        hasPermission = true;
       }
 
-      if(haspermission){
-        print('Location permissions granted');
-        if(this.mounted){
+      if(hasPermission){
+        debugPrint('Location permissions granted');
+        if(mounted){
         setState(() {
           //refresh the UI
         });};
@@ -93,12 +79,12 @@ class _AddEventPageState extends State<AddEvent>  {
         getLocation();
       }
     }else{
-      print("GPS Service is not enabled, turn on GPS location");
+      debugPrint("GPS Service is not enabled, turn on GPS location");
     }
-    if(this.mounted){
+    if(mounted){
     setState(() {
       //refresh the UI
-    });};
+    });}
   }
 
   @override
@@ -132,9 +118,8 @@ class _AddEventPageState extends State<AddEvent>  {
     final EventCurrentInstance currentEvent = EventCurrentInstance();
     String gnssStatusText = "";
 
-    if (true == disableGnssEditing){
-
-      // Update current event coordinates
+    if (true == disableGNSSEditing){
+      // Update current event coordinates from GNSS stream
       currentEvent.store.latitude = lat;
       currentEvent.store.longitude = long;
       currentEvent.store.elevation = alt;
@@ -147,8 +132,7 @@ class _AddEventPageState extends State<AddEvent>  {
       }
     }
     else{
-      // Just display old event coordinates
-      gnssStatusText = "GNSS Disabled";
+      gnssStatusText = "GNSS Disabled"; // Just display existing event coordinates
     }
 
     return Scaffold(
@@ -210,7 +194,7 @@ class _AddEventPageState extends State<AddEvent>  {
             ),
             TextField(
               readOnly: false,
-              enabled: !disableGnssEditing,
+              enabled: !disableGNSSEditing,
               //controller: _controllerLat,
               controller: TextEditingController(text: currentEvent.store.latitude.toString()),
               decoration: const InputDecoration(
@@ -220,7 +204,7 @@ class _AddEventPageState extends State<AddEvent>  {
             ),
             TextField(
               readOnly: false,
-              enabled: !disableGnssEditing,
+              enabled: !disableGNSSEditing,
               controller: TextEditingController(text: currentEvent.store.longitude.toString()),
               decoration: const InputDecoration(
                 labelText: 'Longitude',
@@ -229,7 +213,7 @@ class _AddEventPageState extends State<AddEvent>  {
             ),
             TextField(
               readOnly: false,
-              enabled: !disableGnssEditing,
+              enabled: !disableGNSSEditing,
               controller: TextEditingController(text: currentEvent.store.elevation.toString()),
               decoration: const InputDecoration(
                 labelText: 'Elevation',
@@ -250,7 +234,7 @@ class _AddEventPageState extends State<AddEvent>  {
             onPressed: (int index) {
               setState(() {
                 _isGNSSSelected[index] = !_isGNSSSelected[index];
-                disableGnssEditing = _isGNSSSelected[index];
+                disableGNSSEditing = _isGNSSSelected[index];
               });
             },
           ),