The approach here is that you build your tree with a hierarchical TreeNode structure. Each node has a ValueNotifier to let the tree know when isExpanded changes. The tree's state exposes expandAll() and collapseAll() via GlobalKey so you can recursively collapse/expand.

Feb 4, 2025 · A Flutter package to view directories and files in a foldable tree structure. This package allows you to display files and folders in a tree view, with the ability to customize the folder and file icons, text styles, and handle file taps.

5 days ago · GraphView is used to display data in graph structures. It can display Tree layout, Directed and Layered graph. Useful for Family Tree, Hierarchy View. Animated TreeView based on AnimatedList that allows building fully customizable Nodes that can be nested to …

Dec 14, 2024 · Here's a simple example of how to create a tree view: import 'package:flutter/material.dart'; enum ElementType { file, folder } // Define your data type class FileSystemElement { FileSystemElement(this.name, this.type); final String name; final ElementType type; // Create tree nodes final nodes = [ TreeNode<FileSystemElement>(

It can display Tree layout, Directed and Layered graph. Useful for Family Tree, Hierarchy View. The library is designed to support different graph layouts and currently works excellent with small graphs.

Sep 1, 2024 · animated_tree_view # A flutter package that provides a heirarchial Tree like data structure that can be visualized as a linear list view. The widget is based on the Flutter’s familiar APIs of AnimatedList and SliverAnimatedList and can …

Jul 18, 2023 · Discover how to create interactive tree view in your Flutter application. Learn the step-by-step process to organise and visualize hierarchical data with ease, making your app's user interface more intuitive and user-friendly.

Dec 17, 2023 · Provide a step-by-step guide on how to implement a basic TreeView in a Flutter app. Include code snippets to demonstrate the creation of nodes, handling events, and customizing appearance ...

Jun 30, 2022 · Let’s start flutter tree view implementation with a demo mobikul flutter app in a few easy steps. 1) Project Setup: Create a new flutter project and add latest flutter_treeview version under dependencies in pubspec.yaml file of your project as following example and run flutter pub get command to install the package in your project.

A Flutter package to view directories and files in a foldable tree structure. This package allows you to display files and folders in a tree view, with the ability to customize the folder and file icons, text styles, and handle file taps.