added option to cancel save of data

lib/addCam/add_cam_main.dart

@@ -245,20 +245,38 @@ class _AddCamMainState extends State<AddCamMain> {
   }
 
   Future<void> showSaveOptionsDialog() async {
-    return showDialog(
+    return
+    showDialog(
         context: context,
         builder: (BuildContext context) {
+          var dialogContext = context;
           return AlertDialog(
             title: Text(AppLocalizations.of(context)!.savemethod),
             actions: [
+
+              TextButton(onPressed: () async {
+                saveTemplate();
+                      Navigator.pushNamedAndRemoveUntil(
+                          // ignore: use_build_context_synchronously
+                          context,
+                          '/home',
+                          (route) => false);
+              }, child: Text(AppLocalizations.of(context)!.template)),
+
               TextButton(
                   onPressed: () async {
+                    saveFile();
                     _httpRequest();
-                    // Navigator.pushNamedAndRemoveUntil(context, '/home', (route) => false);
+                      Navigator.pushNamedAndRemoveUntil(
+                          // ignore: use_build_context_synchronously
+                          context,
+                          '/home',
+                          (route) => false);
                   },
                   child: Text(AppLocalizations.of(context)!.sendtoserver)),
               TextButton(
                   onPressed: () async {
+                    saveData();
                     await saveFile();
                     // ignore: use_build_context_synchronously
                     Navigator.pushNamedAndRemoveUntil(
@@ -267,7 +285,10 @@ class _AddCamMainState extends State<AddCamMain> {
                         '/home',
                         (route) => false);
                   },
-                  child: Text(AppLocalizations.of(context)!.saveasfile))
+                  child: Text(AppLocalizations.of(context)!.saveasfile)),
+              TextButton(onPressed: () {
+                Navigator.pop(dialogContext);
+              }, child: Text(AppLocalizations.of(context)!.cancel)),
             ],
           );
         });
@@ -715,27 +736,19 @@ class _AddCamMainState extends State<AddCamMain> {
 
                   if (!isLastStep) {
                     saveTemplate();
-                    
                     setState(() {
                       currentStep += 1;
                     });
                   } else {
                     List<String> emptyFields = validateData();
-                    // ! always fileed out
+                    // ! always filled out
-                    empty = true;
+                    empty = false;
                     if (empty == true) {
                       showTemplateDialog(emptyFields);
                       ();
                       return;
                     } else if (empty == false) {
-                      //   throw const FormatException(("Speichert"));
-                      saveData();
                       await showSaveOptionsDialog();
-                      Navigator.pushNamedAndRemoveUntil(
-                          // ignore: use_build_context_synchronously
-                          context,
-                          '/home',
-                          (route) => false);
                     }
                   }
                 },