Hide keyboard on scrolling user list

example/lib/group_chat_details_screen.dart

@@ -164,6 +164,9 @@ class _GroupChatDetailsScreenState extends State<GroupChatDetailsScreen> {
               ),
             ),
             Expanded(
+              child: GestureDetector(
+                behavior: HitTestBehavior.opaque,
+                onPanDown: (_) => FocusScope.of(context).unfocus(),
                 child: ListView.separated(
                   itemCount: _selectedUsers.length + 1,
                   separatorBuilder: (_, __) => Container(
@@ -219,6 +222,7 @@ class _GroupChatDetailsScreenState extends State<GroupChatDetailsScreen> {
                   },
                 ),
               ),
+            ),
           ],
         ),
       ),

example/lib/new_chat_screen.dart

@@ -243,7 +243,10 @@ class _NewChatScreenState extends State<NewChatScreen> {
               ),
             Expanded(
               child: _showUserList
-                  ? UsersBloc(
+                  ? GestureDetector(
+                      behavior: HitTestBehavior.opaque,
+                      onPanDown: (_) => FocusScope.of(context).unfocus(),
+                      child: UsersBloc(
                         child: UserListView(
                           selectedUsers: _selectedUsers,
                           groupAlphabetically: _isSearchActive ? false : true,
@@ -305,6 +308,7 @@ class _NewChatScreenState extends State<NewChatScreen> {
                             );
                           },
                         ),
+                      ),
                     )
                   : MessageListView(),
             ),

example/lib/new_group_chat_screen.dart

@@ -238,7 +238,10 @@ class _NewGroupChatScreenState extends State<NewGroupChatScreen> {
               ),
             ];
           },
-          body: UsersBloc(
+          body: GestureDetector(
+            behavior: HitTestBehavior.opaque,
+            onPanDown: (_) => FocusScope.of(context).unfocus(),
+            child: UsersBloc(
               child: UserListView(
                 selectedUsers: _selectedUsers,
                 pullToRefresh: false,
@@ -304,6 +307,7 @@ class _NewGroupChatScreenState extends State<NewGroupChatScreen> {
             ),
           ),
         ),
+      ),
     );
   }
 }