A widget for observing data related to the child widgets being displayed in a ScrollView. Maintainer: @LinXunFeng

Flutter NineGridView & DragSortView. Similar to Weibo / WeChat nine grid view controls to display pictures. Flutter仿微信/微博九宫格、拖拽排序，微信群组，钉钉群组，QQ讨论组头像。

This package supports drag & drop widgets inside the GridView.builder for multiplatform. It provides all the properties which are available in Gridview. builder and easy to implement with the few lines of code.

Flutter SpannableGrid widget

Item Selector for Flutter