fix ui issues

lib/src/message_input.dart

@@ -423,7 +423,7 @@ class MessageInputState extends State<MessageInput> {
   }
 
   void _onChanged(BuildContext context, String s) {
-    StreamChannel.of(context).channel.keyStroke();
+    StreamChannel.of(context).channel.keyStroke().catchError((e) {});
 
     setState(() {
       _messageIsPresent = s.trim().isNotEmpty;
@@ -1712,7 +1712,9 @@ class MessageInputState extends State<MessageInput> {
 
     if (!kIsWeb) {
       _keyboardListener = KeyboardVisibility.onChange.listen((visible) {
-        _onChanged(context, textEditingController.text);
+        if (_focusNode.hasFocus) {
+          _onChanged(context, textEditingController.text);
+        }
       });
     }
 

lib/src/user_avatar.dart

@@ -13,9 +13,11 @@ class UserAvatar extends StatelessWidget {
     this.onTap,
     this.showOnlineStatus = true,
     this.borderRadius,
+    this.onlineIndicatorAlignment = Alignment.topRight,
   }) : super(key: key);
 
   final User user;
+  final Alignment onlineIndicatorAlignment;
   final BoxConstraints constraints;
   final BorderRadius borderRadius;
   final BoxConstraints onlineIndicatorConstraints;
@@ -60,11 +62,11 @@ class UserAvatar extends StatelessWidget {
             ),
           ),
           if (showOnlineStatus && user.online == true)
-            Positioned(
-              top: 0,
-              right: 0,
-              child: Material(
-                child: Center(
+            Positioned.fill(
+              child: Align(
+                alignment: onlineIndicatorAlignment,
+                child: Material(
+                  type: MaterialType.circle,
                   child: Container(
                     padding: const EdgeInsets.all(2.0),
                     constraints: onlineIndicatorConstraints ??
@@ -77,9 +79,8 @@ class UserAvatar extends StatelessWidget {
                       color: Color(0xff20E070),
                     ),
                   ),
+                  color: Colors.white,
                 ),
-                shape: CircleBorder(),
-                color: Colors.white,
               ),
             ),
         ],

lib/src/user_item.dart

@@ -80,7 +80,10 @@ class UserItem extends StatelessWidget {
               radius: 10,
             )
           : null,
-      title: Text(user.name,style: TextStyle(fontWeight: FontWeight.bold),),
+      title: Text(
+        user.name,
+        style: TextStyle(fontWeight: FontWeight.bold),
+      ),
       subtitle: showLastOnline ? _buildLastActive(context) : null,
     );
   }