fixed context across async gaps

lib/addCam/add_cam_main.dart

@@ -121,14 +121,15 @@ class _AddCamMainState extends State<AddCamMain> {
 
   // determine live position with checks for denied permission and turned off location service
   Future<Position> _deteterminePosition() async {
+
+    
+
     bool locationEnabled;
     LocationPermission permissionGiven;
 
     locationEnabled = await Geolocator.isLocationServiceEnabled();
-    if (!locationEnabled) {
-      // ignore: use_build_context_synchronously
+    if (!locationEnabled && mounted) {
       ScaffoldMessenger.of(context).showSnackBar(SnackBar(
-          // ignore: use_build_context_synchronously
           content: Text(AppLocalizations.of(context)!.locationDisabled)));
       return currentPosition;
     }
@@ -136,20 +137,16 @@ class _AddCamMainState extends State<AddCamMain> {
     permissionGiven = await Geolocator.checkPermission();
     if (permissionGiven == LocationPermission.denied) {
       permissionGiven = await Geolocator.requestPermission();
-      if (permissionGiven == LocationPermission.denied) {
-        // ignore: use_build_context_synchronously
+      if (permissionGiven == LocationPermission.denied && mounted) {
         ScaffoldMessenger.of(context).showSnackBar(SnackBar(
-            // ignore: use_build_context_synchronously
             content: Text(AppLocalizations.of(context)!.locationForbidden)));
 
         return currentPosition;
       }
     }
 
-    if (permissionGiven == LocationPermission.deniedForever) {
-      // ignore: use_build_context_synchronously
+    if (permissionGiven == LocationPermission.deniedForever && mounted) {
       ScaffoldMessenger.of(context).showSnackBar(SnackBar(
-          // ignore: use_build_context_synchronously
           content: Text(AppLocalizations.of(context)!.locationForbidden)));
       return currentPosition;
     }
@@ -275,7 +272,6 @@ class _AddCamMainState extends State<AddCamMain> {
                   onPressed: () async {
                     saveTemplate();
                     Navigator.pushNamedAndRemoveUntil(
-                        // ignore: use_build_context_synchronously
                         context,
                         '/home',
                         (route) => false);
@@ -320,14 +316,12 @@ class _AddCamMainState extends State<AddCamMain> {
                   onPressed: () async {
                     saveData();
                     saveFile();
-                    // ignore: use_build_context_synchronously
                   },
                   child: Text(AppLocalizations.of(context)!.saveasfile)),
               TextButton(
                   onPressed: () {
                     saveData();
                     Navigator.pushNamedAndRemoveUntil(
-                        // ignore: use_build_context_synchronously
                         context,
                         '/home',
                         (route) => false);
@@ -360,36 +354,34 @@ class _AddCamMainState extends State<AddCamMain> {
     String jsonPlace = jsonEncode(place);
 
     if (selectedDirectory == null) {
-      // ignore: use_build_context_synchronously
-      Navigator.pop(context);
+      if (mounted) Navigator.pop(context);
       return;
     }
     await prefs.setString('saveDir', selectedDirectory);
 
-    // ignore: use_build_context_synchronously
     File file = File(
-        '$selectedDirectory/${AppLocalizations.of(context)!.justplace}-${standortC.text}.txt');
+        '$selectedDirectory/${mounted ? AppLocalizations.of(context)!.justplace : const Text('')}-${standortC.text}.txt');
 
     try {
       await file.writeAsString(jsonPlace);
     } catch (e) {
-      // ignore: use_build_context_synchronously
+      if (mounted) {
       Navigator.pop(context);
-      // ignore: use_build_context_synchronously
       ScaffoldMessenger.of(context).showSnackBar(SnackBar(
-          // ignore: use_build_context_synchronously
-          content: Text(AppLocalizations.of(context)!.savefilefailed)));
+          content: Text(AppLocalizations.of(context)!.savefilefailed))); }
       return;
     }
-    // ignore: use_build_context_synchronously
-    ScaffoldMessenger.of(context).showSnackBar(
+    if (mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(content: Text('Datei gespeichert in $selectedDirectory')));
+    }
 
-    Navigator.pushNamedAndRemoveUntil(
-        // ignore: use_build_context_synchronously
+    if (mounted) {
+      Navigator.pushNamedAndRemoveUntil(
         context,
         '/home',
         (route) => false);
+    }
   }
 
   // checks if required fields are not empty. If one is the name will be returned

lib/addCam/cam_widgets.dart

@@ -4,7 +4,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:flutter_map/flutter_map.dart';
 import 'package:geolocator/geolocator.dart';
-import 'package:intl/intl.dart';
 import 'package:latlong2/latlong.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:geocoding/geocoding.dart';
@@ -198,7 +197,7 @@ class KarteState extends State<Karte> {
                     List<Placemark> placemarks = await placemarkFromCoordinates(
                         selectedPosition!.latitude,
                         selectedPosition!.longitude);
-                    print(placemarks);
+                  //  print(placemarks);
 
                     if (selectedPosition != null) {
                       setState(() {

lib/other/methods.dart

@@ -32,11 +32,11 @@ class Methods {
     // ignore: unused_catch_clause
     } on DioException catch (e) {
       _errorCode = response.statusCode;
-      print('is hier. var: ${_errorCode}');
+      print('is hier. var: $_errorCode');
       return;
     }
     _errorCode = response.statusCode;
-      print('is hier 2. var: ${_errorCode}');
+      print('is hier 2. var: $_errorCode');
   }
 }
 

time.txt

@@ -52,3 +52,4 @@
 30 apr 4h 15 min
 1 mai 6h
 8 mai 4h 30 min
+9 mai 1h