Fixed null check error + version update

lib/Screens/exploreScreen.dart

@@ -225,7 +225,7 @@ class _exploreScreenState extends State<exploreScreen> {
                                 ),
                               ),
                               Text(
-                                currentUser!.displayName!,
+                                currentUser!.displayName==null?'User':currentUser!.displayName!,
                                 textAlign: TextAlign.center,
                                 style: TextStyle(
                                     color: Colors.white,

pubspec.lock

@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -42,7 +42,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -295,7 +295,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -496,7 +496,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -559,7 +559,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   win32:
     dependency: transitive
     description:

pubspec.yaml

@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 1.0.0+1
+version: 1.0.0+2
 
 environment:
   sdk: '>=2.12.0 <3.0.0'