Merge pull request #733 from GetStream/hotfix/mediaListView

fix(ui): use createdAt to sort media (the default value is updatedAt)

packages/stream_chat_flutter/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 - Updated Dart SDK constraints to `>=2.14.0 <3.0.0`
 
+🐞 Fixed
+
+- [[#491]](https://github.com/GetStream/stream-chat-flutter/issues/491): Fix `MediaListView` showing media in wrong order.
+
 ✅ Added
 
 - `MessageListViewThemeData` now accepts a `DecorationImage` as a background image for `MessageListView`.

packages/stream_chat_flutter/lib/src/media_list_view.dart

@@ -1,5 +1,6 @@
 import 'dart:ui' as ui;
 
+import 'package:collection/collection.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
@@ -145,21 +146,24 @@ class _MediaListViewState extends State<MediaListView> {
   }
 
   Future<void> _getMedia() async {
-    final assetList = await PhotoManager.getAssetPathList().then((value) {
+    final assetList = (await PhotoManager.getAssetPathList(
-      if (value.isNotEmpty) {
+      filterOption: FilterOptionGroup(
-        return value.singleWhere((element) => element.isAll);
+        orders: [
-      }
+          const OrderOption(
-    });
+            // ignore: avoid_redundant_argument_values
+            type: OrderOptionType.createDate,
+          ),
+        ],
+      ),
+      onlyAll: true,
+    ))
+        .firstOrNull;
 
-    if (assetList == null) {
+    final media = await assetList?.getAssetListPaged(_currentPage, 50);
-      return;
-    }
 
-    final media = await assetList.getAssetListPaged(_currentPage, 50);
+    if (media?.isNotEmpty == true) {
-
-    if (media.isNotEmpty) {
       setState(() {
-        _media.addAll(media);
+        _media.addAll(media!);
       });
     }
     ++_currentPage;

packages/stream_chat_flutter/lib/src/theme/message_list_view_theme.dart

@@ -118,8 +118,11 @@ class MessageListViewThemeData with Diagnosticable {
     properties
       ..add(ColorProperty('backgroundColor', backgroundColor))
       ..add(
-        DiagnosticsProperty<DecorationImage>('backgroundImage', backgroundImage,
+        DiagnosticsProperty<DecorationImage>(
-            defaultValue: null),
+          'backgroundImage',
+          backgroundImage,
+          defaultValue: null,
+        ),
       );
   }
 }