animated_scroll_view

Description:

animated scroll view

Scrollable widgets, which lets you easily animate its items list modifications(insert, remove, move, etc.).
At the moment, this package provides ListView, GridView, and PageView implementations.



AnimatedListView / SliverAnimatedListView
AnimatedGridView / SliverAnimatedGridView









Disclaimer #
Be careful using this package in production because there are still many untested cases.
LIVE DEMO #
MEDIUM ARTICLE #
API REFERENCE #
Examples(from live demo) can be found here.
Real application examples can be found here and here
Mainly, developed as a replacement for out-of-the-box animated scrollables:

AnimatedList
SliverAnimatedList
AnimatedGrid (available from flutter version 3.7.0)
SliverAnimatedGrid (available from flutter version 3.7.0)

because of their numerous disadvantages:


Scroll offset jumps when an item is built atop(outside) of the current
layout(Issue #74031):



Out-of-the-box animated scrollables have inconvinient API, developer
is required to write a lot of code to make it work


There is a lot of cases when developer can forget/miss something to setup,
and, as a result, lose a lot of time figuring out what's wrong(e.g. #63185)


AnimatedGrid and SliverAnimatedGrid are not available if you are using
flutter version below 3.7.0


Also, AnimatedPageView widget can be useful for you, as it does not have an out of the box analogue:

There are already implementations-replacements for each of the
out-of-the-box animated scrollables mentioned above:

AnimatedListView (replacement for AnimatedList)
SliverAnimatedListView (replacement for SliverAnimatedList)
AnimatedGridView (replacement for AnimatedGrid)
SliverAnimatedGridView (replacement for SliverAnimatedGrid)

Also, you can extend AnimatedScrollView, and create your own
implementation, using the API of this package.
Installation 💻 #
Add animated_scroll_view to your pubspec.yaml:
flutter pub add animated_scroll_view
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or manually:
dependencies:
animated_scroll_view: ^<latest version>
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Install it:
flutter packages get
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TODO: #



Status
Task Name




✅
Simultaneously removing and inserting item when moving(#35618)


✅
Write documentation


✅
For GridView and PageView: animate items, rebuild of which is caused by another items modification event


✅
Set default axis for SizeAndFadeTransition to axis of the scrollable(#100931)


⬜
Cover all code with tests


✅
AnimatedPageView(#58959)?


✅
Wrap ItemWidget in SizedAndFadeTransition and PointerIgnorer by default?


✅
Widgetbook with live demo examples


⬜
Removing previous page of PageeView without index changing(#58959)?