barrierDismissible and onWillPop

lib/common.dart

@@ -59,7 +59,7 @@ class DialogManager {
 
   static void reset([result]) {
     if (_dialogContext != null) {
-      Navigator.pop(_dialogContext!,result);
+      Navigator.pop(_dialogContext!, result);
     }
     _dialogContext = null;
   }
@@ -83,7 +83,7 @@ class DialogManager {
         builder: (context) {
           DialogManager.register(context);
           return StatefulBuilder(
-              builder: (_, setState) => builder(setState,DialogManager.reset));
+              builder: (_, setState) => builder(setState, DialogManager.reset));
         });
     DialogManager.drop();
     return res;

lib/pages/settings_page.dart

@@ -135,8 +135,12 @@ void showServer() {
           },
           child: Text(translate('OK')),
         ),
-        ]);
+      ],
-  });
+      onWillPop: () async {
+        return true;
+      },
+    );
+  }, barrierDismissible: true);
 }
 
 String? validate(value) {
@@ -169,18 +173,10 @@ void showAbout() {
                   )),
             )),
       ]),
-      actions: [
+      actions: [],
-        TextButton(
-          style: flatButtonStyle,
-          onPressed: () {
-            close();
-          },
-          child: Text(translate('OK')),
-        )
-      ],
       onWillPop: () async {
         return true;
       },
     );
-  });
+  }, barrierDismissible: true);
 }