flutter_simple_treeview
This widget visualises a tree structure, where a node can be any widget.
Demo
https://flutter_simple_treeview.surge.sh/
Usage
TreeView(nodes: [
TreeNode(content: Text("root1")),
TreeNode(
content: Text("root2"),
children: [
TreeNode(content: Text("child21")),
TreeNode(content: Text("child22")),
TreeNode(
content: Text("root23"),
children: [
TreeNode(content: Text("child231")),
],
),
],
),
]),