Fix a few notices

lib/ui/routes/conversation_message_stats_route.dart

@@ -21,9 +21,7 @@ class ConversationMessageStatsRoute extends StatefulWidget {
     Key? key,
     required this.conv,
     required this.message,
-  })  : assert(conv != null),
-        assert(message != null),
-        super(key: key);
+  })  : super(key: key);
 
   @override
   _ConversationMessageStatsRouteState createState() =>

lib/ui/routes/conversation_route.dart

@@ -21,8 +21,7 @@ class ConversationRoute extends StatefulWidget {
   const ConversationRoute({
     Key? key,
     required this.conversationID,
-  })  : assert(conversationID != null),
-        super(key: key);
+  }) : super(key: key);
 
   @override
   State<StatefulWidget> createState() => _ConversationRouteState();
@@ -69,7 +68,7 @@ class _ConversationRouteState extends SafeState<ConversationRoute> {
 
   Widget _buildRouteBody() {
     //Handle errors
-    if (_error != null && _error)
+    if (_error)
       return buildErrorCard(
         tr("Could not get conversation information!"),
         actions: <Widget>[

lib/ui/routes/forez_presence_settings_route.dart

@@ -26,8 +26,7 @@ class PresenceSettings extends StatefulWidget {
   const PresenceSettings({
     Key? key,
     required this.groupID,
-  })  : assert(groupID != null),
-        super(key: key);
+  }) : super(key: key);
 
   @override
   _PresenceSettingsState createState() => _PresenceSettingsState();

lib/ui/routes/forgot_password_route.dart

@@ -82,8 +82,6 @@ class _ResetPasswordBodyState extends SafeState<_ResetPasswordBody> {
       case _SelectedOption.SECURITY_QUESTIONS:
         return _buildSecurityQuestionsScreen();
     }
-
-    throw Exception("Unreachable statement!");
   }
 
   Widget _buildEnterEmailAddressScreen() {
@@ -120,7 +118,7 @@ class _ResetPasswordBodyState extends SafeState<_ResetPasswordBody> {
       _setLoading(true);
 
       // Check if email address exists or not
-      if (!await AccountHelper.existsMailAccount(_inputEmail) ) {
+      if (!await AccountHelper.existsMailAccount(_inputEmail)) {
         _setLoading(false);
         showSimpleSnack(context, tr("Specified email address was not found!")!);
         return;
@@ -169,7 +167,8 @@ class _ResetPasswordBodyState extends SafeState<_ResetPasswordBody> {
         context: context,
         builder: (c) => AlertDialog(
               title: Text("Contact us"),
-              content: Text(tr("You can reach us at contact@communiquons.org")!),
+              content:
+                  Text(tr("You can reach us at contact@communiquons.org")!),
               actions: <Widget>[CancelDialogButton()],
             ));
   }

lib/ui/routes/full_screen_image.dart

@@ -11,7 +11,7 @@ import 'package:url_launcher/url_launcher.dart';
 class FullScreenImageRoute extends StatefulWidget {
   final String url;
 
-  FullScreenImageRoute(this.url) : assert(url != null);
+  FullScreenImageRoute(this.url);
 
   @override
   _FullScreenImageRouteState createState() => _FullScreenImageRouteState();

lib/ui/routes/main_route/page_info.dart

@@ -31,8 +31,5 @@ class PageInfo {
     this.id,
     this.hideNavBar = false,
     this.canShowAsDialog = false,
-  })  : assert(type != null),
-        assert(child != null),
-        assert(hideNavBar != null),
-        assert(canShowAsDialog != null);
+  });
 }

lib/ui/routes/password_reset_route.dart

@@ -19,8 +19,7 @@ class PasswordResetRoute extends StatelessWidget {
   const PasswordResetRoute({
     Key? key,
     required this.token,
-  })  : assert(token != null),
-        super(key: key);
+  })  : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -39,8 +38,7 @@ class _PasswordResetBody extends StatefulWidget {
   final String token;
 
   const _PasswordResetBody({Key? key, required this.token})
-      : assert(token != null),
-        super(key: key);
+      : super(key: key);
 
   @override
   __PasswordResetBodyState createState() => __PasswordResetBodyState();

lib/ui/routes/push_notifications_route.dart

@@ -140,7 +140,7 @@ class PushNotificationsConfigurationWidgetState
                   srvConfig!.notificationsPolicy.hasIndependent && isAndroid,
               onChanged: (s) {
                 setState(() => currStatus = s);
-                if (widget.onChanged != null) widget.onChanged();
+                widget.onChanged();
               },
             ),
             SizedBox(height: 5),
@@ -151,7 +151,7 @@ class PushNotificationsConfigurationWidgetState
               available: true,
               onChanged: (s) {
                 setState(() => currStatus = s);
-                if (widget.onChanged != null) widget.onChanged();
+                widget.onChanged();
               },
             ),
           ],
@@ -195,12 +195,7 @@ class _NotificationOption extends StatelessWidget {
     required this.current,
     required this.available,
     required this.onChanged,
-  })  : assert(title != null),
-        assert(option != null),
-        assert(current != null),
-        assert(available != null),
-        assert(onChanged != null),
-        super(key: key);
+  }) : super(key: key);
 
   @override
   Widget build(BuildContext context) => !available

lib/ui/routes/settings/account_privacy_settings.dart

@@ -180,9 +180,7 @@ class DataConservationPolicyTile extends SettingsTile {
     required this.title,
     required this.onChange,
     required this.minValue,
-  })  : assert(title != null),
-        assert(onChange != null),
-        assert(minValue != null);
+  });
 
   @override
   Widget build(BuildContext context) {

lib/ui/routes/settings/account_security_settings.dart

@@ -140,8 +140,7 @@ class _SecurityQuestionsDialog extends StatefulWidget {
   final SecuritySettings settings;
 
   const _SecurityQuestionsDialog({Key? key, required this.settings})
-      : assert(settings != null),
-        super(key: key);
+      : super(key: key);
 
   @override
   __SecurityQuestionsDialogState createState() =>

lib/ui/routes/settings/account_settings_route.dart

@@ -31,10 +31,7 @@ class _SettingsSection {
     required this.subtitle,
     required this.icon,
     required this.onBuild,
-  })  : assert(title != null),
-        assert(subtitle != null),
-        assert(icon != null),
-        assert(onBuild != null);
+  });
 }
 
 class AccountSettingsRoute extends StatelessWidget {

lib/ui/routes/single_post_route.dart

@@ -14,8 +14,7 @@ class SinglePostRoute extends StatelessWidget {
   const SinglePostRoute({
     Key? key,
     required this.postID,
-  })  : assert(postID != null),
-        super(key: key);
+  }) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -34,8 +33,7 @@ class _SinglePostRouteBody extends StatefulWidget {
   const _SinglePostRouteBody({
     Key? key,
     required this.postID,
-  })  : assert(postID != null),
-        super(key: key);
+  })  : super(key: key);
 
   @override
   __SinglePostRouteBodyState createState() => __SinglePostRouteBodyState();

lib/ui/routes/update_conversation_route.dart

@@ -9,8 +9,7 @@ class UpdateConversationRoute extends StatefulWidget {
   final int conversationID;
 
   const UpdateConversationRoute({Key? key, required this.conversationID})
-      : assert(conversationID != null),
-        super(key: key);
+      : super(key: key);
 
   @override
   State<StatefulWidget> createState() => _UpdateConversationRoute();

lib/ui/routes/video_player_route.dart

@@ -15,8 +15,7 @@ class VideoPlayerRoute extends StatefulWidget {
   const VideoPlayerRoute({
     Key? key,
     required this.url,
-  })  : assert(url != null),
-        super(key: key);
+  }) : super(key: key);
 
   @override
   _VideoPlayerRouteState createState() => _VideoPlayerRouteState();