removed deprecated uses, fmt

packages/stream_chat_v1/lib/advanced_options_page.dart

@@ -221,14 +221,22 @@ class _AdvancedOptionsPageState extends State<AdvancedOptionsPage> {
                     ),
                   ),
                   Spacer(),
-                  RaisedButton(
-                    color: Theme.of(context).brightness == Brightness.light
-                        ? StreamChatTheme.of(context).colorTheme.accentBlue
-                        : Colors.white,
-                    elevation: 0,
-                    padding: const EdgeInsets.symmetric(vertical: 16),
-                    shape: RoundedRectangleBorder(
-                      borderRadius: BorderRadius.circular(26),
+                  ElevatedButton(
+                    style: ButtonStyle(
+                      backgroundColor: MaterialStateProperty.all<Color>(
+                          Theme.of(context).brightness == Brightness.light
+                              ? StreamChatTheme.of(context)
+                                  .colorTheme
+                                  .accentBlue
+                              : Colors.white),
+                      elevation: MaterialStateProperty.all<double>(0),
+                      padding: MaterialStateProperty.all<EdgeInsets>(
+                          const EdgeInsets.symmetric(vertical: 16)),
+                      shape: MaterialStateProperty.all(
+                        RoundedRectangleBorder(
+                          borderRadius: BorderRadius.circular(26),
+                        ),
+                      ),
                     ),
                     child: Text(
                       'Login',

packages/stream_chat_v1/lib/chat_info_screen.dart

@@ -56,7 +56,8 @@ class _ChatInfoScreenState extends State<ChatInfoScreen> {
             'admin',
             'owner',
           ].contains(channel.state!.members
-              .firstWhereOrNull((m) => m.userId == channel.client.state.user!.id)
+              .firstWhereOrNull(
+                  (m) => m.userId == channel.client.state.user!.id)
               ?.role))
             _buildDeleteListTile(),
         ],

packages/stream_chat_v1/lib/group_chat_details_screen.dart

@@ -306,7 +306,7 @@ class _GroupChatDetailsScreenState extends State<GroupChatDetailsScreen> {
             Row(
               mainAxisAlignment: MainAxisAlignment.center,
               children: [
-                FlatButton(
+                TextButton(
                   child: Text(
                     'OK',
                     style: StreamChatTheme.of(context)

packages/stream_chat_v1/lib/stream_version.dart

@@ -26,7 +26,7 @@ class StreamVersion extends StatelessWidget {
               yaml['packages']['stream_chat_flutter']['version'];
 
           return Text(
-            'Stream SDK v ${streamChatDep}',
+            'Stream SDK v $streamChatDep',
             style: TextStyle(
               fontSize: 14,
               color: StreamChatTheme.of(context).colorTheme.greyGainsboro,