Deprecate diff utils, MoorAnimatedList

moor/lib/diff_util.dart

@@ -1,6 +1,7 @@
 /// A utility library to find an edit script that turns a list into another.
 /// This is useful when displaying a updating stream of immutable lists in a
 /// list that can be updated.
+@Deprecated('Will be removed in moor 2.0')
 library diff_util;
 
 import 'package:moor/src/utils/android_diffutils_port.dart' as impl;

moor/lib/src/utils/android_diffutils_port.dart

@@ -47,6 +47,7 @@ class DiffInput<T> {
   }
 }
 
+@Deprecated('Will be removed in moor 2.0')
 List<Snake> calculateDiff(DiffInput input) {
   final oldSize = input.from.length;
   final newSize = input.to.length;

moor_flutter/example/lib/widgets/homescreen.dart

@@ -5,7 +5,6 @@ import 'package:moor_example/database/database.dart';
 import 'package:moor_example/main.dart';
 import 'package:moor_example/widgets/categories_drawer.dart';
 import 'package:moor_example/widgets/todo_card.dart';
-import 'package:moor_flutter/moor_flutter.dart';
 
 // ignore_for_file: prefer_const_constructors
 
@@ -32,39 +31,23 @@ class HomeScreenState extends State<HomeScreen> {
       drawer: CategoriesDrawer(),
       // A moorAnimatedList automatically animates incoming and leaving items, we only
       // have to tell it what data to display and how to turn data into widgets.
-      body: MoorAnimatedList<EntryWithCategory>(
-        // we want to show an updating stream of all relevant entries
+      body: StreamBuilder<List<EntryWithCategory>>(
         stream: bloc.homeScreenEntries,
-        // consider items equal if their id matches. Otherwise, we'd get an
-        // animation of an old item leaving and another one coming in every time
-        // the content of an item changed!
-        equals: (a, b) => a.entry.id == b.entry.id,
-        itemBuilder: (ctx, item, animation) {
-          // When a new item arrives, it will expand vertically
-          return SizeTransition(
-            key: ObjectKey(item.entry.id),
-            sizeFactor: animation,
-            axis: Axis.vertical,
-            child: TodoCard(item.entry),
-          );
-        },
-        removedItemBuilder: (ctx, item, animation) {
-          // and it will leave the same way after being deleted.
-          return SizeTransition(
-            key: ObjectKey(item.entry.id),
-            sizeFactor: animation,
-            axis: Axis.vertical,
-            child: AnimatedBuilder(
-              animation:
-                  CurvedAnimation(parent: animation, curve: Curves.easeOut),
-              child: TodoCard(item.entry),
-              builder: (context, child) {
-                return Opacity(
-                  opacity: animation.value,
-                  child: child,
-                );
-              },
-            ),
+        builder: (context, snapshot) {
+          if (!snapshot.hasData) {
+            return const Align(
+              alignment: Alignment.center,
+              child: CircularProgressIndicator(),
+            );
+          }
+
+          final activeTodos = snapshot.data;
+
+          return ListView.builder(
+            itemCount: activeTodos.length,
+            itemBuilder: (context, index) {
+              return TodoCard(activeTodos[index].entry);
+            },
           );
         },
       ),

moor_flutter/lib/src/animated_list.dart

@@ -1,6 +1,8 @@
 import 'dart:async';
 
 import 'package:flutter/widgets.dart';
+
+// ignore: deprecated_member_use
 import 'package:moor/diff_util.dart';
 
 typedef Widget ItemBuilder<T>(
@@ -9,6 +11,8 @@ typedef Widget RemovedItemBuilder<T>(
     BuildContext context, T item, Animation<double> anim);
 
 /// An [AnimatedList] that shows the result of a moor query stream.
+@Deprecated('Will be removed in moor 2.0. You could use the '
+    'animated_stream_list package as an alternative')
 class MoorAnimatedList<T> extends StatefulWidget {
   final Stream<List<T>> stream;
   final ItemBuilder<T> itemBuilder;