Can update "allow posts from friends" setting

lib/models/general_settings.dart

@@ -11,7 +11,7 @@ class GeneralSettings {
   String lastName;
   UserPageVisibility pageVisibility;
   bool allowComments;
-  final bool allowPostsFromFriends;
+  bool allowPostsFromFriends;
   bool allowComunicEmails;
   final bool publicFriendsList;
   final String virtualDirectory;

lib/ui/routes/account_settings/general_account_settings.dart

@@ -50,11 +50,13 @@ class __GeneralAccountSettingsBodyState
   @override
   Widget build(BuildContext context) {
     return AsyncScreenWidget(
-        key: _key,
-        onReload: () async =>
-            _settings = await SettingsHelper.getGeneralSettings(),
-        onBuild: _buildSettings,
-        errorMessage: tr("Could not load general settings!"));
+      key: _key,
+      onReload: () async =>
+          _settings = await SettingsHelper.getGeneralSettings(),
+      onBuild: _buildSettings,
+      errorMessage: tr("Could not load general settings!"),
+      showOldDataWhileUpdating: true,
+    );
   }
 
   Widget _buildSettings() {
@@ -166,6 +168,16 @@ class __GeneralAccountSettingsBodyState
         },
         switchValue: _settings.allowComments,
       ),
+
+      // Allow posts from friends
+      SettingsTile.switchTile(
+        title: tr("Allow posts from your friends on your page"),
+        onToggle: (v) {
+          _settings.allowPostsFromFriends = v;
+          _updateSettings();
+        },
+        switchValue: _settings.allowPostsFromFriends,
+      ),
     ];
   }
 

lib/ui/widgets/async_screen_widget.dart

@@ -25,14 +25,19 @@ class AsyncScreenWidget extends StatefulWidget {
   /// Error message that will be shown in case of error
   final String errorMessage;
 
+  /// Specify whether old data can be kept or not while updating this widget
+  final bool showOldDataWhileUpdating;
+
   const AsyncScreenWidget({
     Key key,
     @required this.onReload,
     @required this.onBuild,
     @required this.errorMessage,
+    this.showOldDataWhileUpdating = false,
   })  : assert(onReload != null),
         assert(onBuild != null),
         assert(errorMessage != null),
+        assert(showOldDataWhileUpdating != null),
         super(key: key);
 
   @override
@@ -75,7 +80,7 @@ class AsyncScreenWidgetState extends SafeState<AsyncScreenWidget> {
     try {
       setState(() {
         error = false;
-        ready = false;
+        ready = widget.showOldDataWhileUpdating;
       });
 
       // Call parent method