fix handling errors

lib/pages/create_game_widget.dart

@@ -141,8 +141,8 @@ class _CreateGameWidgetState extends State<CreateGameWidget> {
         backgroundColor: Colors.amberAccent,
         content: Text("mChess server is not responding. Try again or give up"),
       );
-      Future.delayed(const Duration(seconds: 2), () {
+      Future.delayed(const Duration(seconds: 1), () {
-        if (!context.mounted) return null;
+        if (!mounted) return null;
 
         ScaffoldMessenger.of(context).clearSnackBars();
         ScaffoldMessenger.of(context).showSnackBar(snackBar);

lib/pages/join_game_handle_widget.dart

@@ -4,11 +4,13 @@ import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:go_router/go_router.dart';
 import 'package:http/http.dart' as http;
 import 'package:mchess/api/game_info.dart';
 import 'package:mchess/connection_cubit/connection_cubit.dart';
 import 'package:mchess/pages/chess_game.dart';
 import 'package:mchess/utils/config.dart' as config;
+import 'package:universal_platform/universal_platform.dart';
 
 class JoinGameHandleWidget extends StatefulWidget {
   final String passphrase;
@@ -26,8 +28,10 @@ class _JoinGameHandleWidgetState extends State<JoinGameHandleWidget> {
     super.initState();
     joinGameFuture = joinPrivateGame(widget.passphrase);
     joinGameFuture.then((val) {
+      if (val == null) return;
+
       ConnectionCubit.getInstance().connectIfNotConnected(
-        val!.playerID!.uuid,
+        val.playerID!.uuid,
         val.passphrase,
       );
     });
@@ -35,6 +39,18 @@ class _JoinGameHandleWidgetState extends State<JoinGameHandleWidget> {
 
   @override
   Widget build(BuildContext context) {
+    FloatingActionButton? fltnBtn;
+    if (UniversalPlatform.isLinux ||
+        UniversalPlatform.isMacOS ||
+        UniversalPlatform.isWindows) {
+      fltnBtn = FloatingActionButton(
+        child: const Icon(Icons.cancel),
+        onPressed: () {
+          context.pop();
+        },
+      );
+    }
+
     var loadingIndicator = const SizedBox(
       height: 100,
       width: 100,
@@ -42,6 +58,7 @@ class _JoinGameHandleWidgetState extends State<JoinGameHandleWidget> {
     );
 
     return Scaffold(
+      floatingActionButton: fltnBtn,
       body: Center(
         child: FutureBuilder(
             future: joinGameFuture,
@@ -89,8 +106,13 @@ class _JoinGameHandleWidgetState extends State<JoinGameHandleWidget> {
         backgroundColor: Colors.amberAccent,
         content: Text("mChess server is not responding. Try again or give up"),
       );
+
+      Future.delayed(const Duration(seconds: 1), () {
+        if (!mounted) return null;
         ScaffoldMessenger.of(context).clearSnackBars();
         ScaffoldMessenger.of(context).showSnackBar(snackBar);
+        context.goNamed('lobbySelector'); // We go back to the lobby selector
+      });
       return null;
     }
 
@@ -100,10 +122,12 @@ class _JoinGameHandleWidgetState extends State<JoinGameHandleWidget> {
         content: Text("Passphrase could not be found."),
       );
 
-      if (!context.mounted) return null;
+      if (!mounted) return null;
 
       ScaffoldMessenger.of(context).clearSnackBars();
       ScaffoldMessenger.of(context).showSnackBar(snackBar);
+      context.goNamed('lobbySelector');
+
       return null;
     }
 

lib/pages/lobby_selector.dart

@@ -93,6 +93,7 @@ class _LobbySelectorState extends State<LobbySelector> {
   }
 
   void submitAction(String phrase) {
+    context.pop();
     context.goNamed('game', pathParameters: {'phrase': phrase.toURL()});
     phraseController.clear();
   }