polish 4.0.0 and prepare 4.0.1

packages/stream_chat_flutter/lib/src/info_tile.dart

@@ -46,11 +46,13 @@ class StreamInfoTile extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final chatThemeData = StreamChatTheme.of(context);
-    return PortalEntry(
+    return PortalTarget(
       visible: showMessage,
-      portalAnchor: tileAnchor ?? Alignment.topCenter,
-      childAnchor: childAnchor ?? Alignment.bottomCenter,
-      portal: Container(
+      anchor: Aligned(
+        follower: tileAnchor ?? Alignment.topCenter,
+        target: childAnchor ?? Alignment.bottomCenter,
+      ),
+      portalFollower: Container(
         height: 25,
         color: backgroundColor ??
             chatThemeData.colorTheme.textLowEmphasis.withOpacity(0.9),

packages/stream_chat_flutter/lib/src/message_widget.dart

@@ -659,9 +659,9 @@ class _StreamMessageWidgetState extends State<StreamMessageWidget>
                                 if (widget.showUserAvatar == DisplayWidget.hide)
                                   SizedBox(width: avatarWidth + 4),
                                 Flexible(
-                                  child: PortalEntry(
+                                  child: PortalTarget(
                                     visible: showReactions,
-                                    portal: showReactions
+                                    portalFollower: showReactions
                                         ? Container(
                                             transform:
                                                 Matrix4.translationValues(
@@ -677,10 +677,16 @@ class _StreamMessageWidgetState extends State<StreamMessageWidget>
                                             ),
                                           )
                                         : null,
-                                    portalAnchor:
-                                        Alignment(widget.reverse ? 1 : -1, -1),
-                                    childAnchor:
-                                        Alignment(widget.reverse ? -1 : 1, -1),
+                                    anchor: Aligned(
+                                      follower: Alignment(
+                                        widget.reverse ? 1 : -1,
+                                        -1,
+                                      ),
+                                      target: Alignment(
+                                        widget.reverse ? -1 : 1,
+                                        -1,
+                                      ),
+                                    ),
                                     child: Stack(
                                       clipBehavior: Clip.none,
                                       children: [

packages/stream_chat_flutter/lib/src/multi_overlay.dart

@@ -41,11 +41,13 @@ class StreamMultiOverlay extends StatelessWidget {
     final visibleOverlay =
         overlayOptions.firstWhereOrNull((element) => element.visible);
 
-    return PortalEntry(
-      childAnchor: childAnchor,
-      portalAnchor: overlayAnchor,
+    return PortalTarget(
+      anchor: Aligned(
+        follower: overlayAnchor ?? Alignment.center,
+        target: childAnchor ?? Alignment.center,
+      ),
       visible: visibleOverlay != null,
-      portal: visibleOverlay?.widget,
+      portalFollower: visibleOverlay?.widget,
       child: child,
     );
   }

packages/stream_chat_flutter/pubspec.yaml

@@ -21,7 +21,7 @@ dependencies:
   flutter:
     sdk: flutter
   flutter_markdown: ^0.6.1
-  flutter_portal: ^0.4.0
+  flutter_portal: ^1.0.0
   flutter_slidable: ^1.2.0
   flutter_svg: ^1.0.1
   http_parser: ^4.0.0