Flutter Tree View

This article focuses on looking at TreeView examples that are simple to reuse. We have an excellent tool for representing hierarchical data in a widget like a Flutter Tree View.

A few points that make this widget helpful to create a flutter app:

• highly adaptable. The UI is designed by yourself, and it solely manages the data’s tree structure.
• The reuse mechanism of the ListView widget makes performance efficient.
• Growing child levels and child nodes indefinitely.
• data import from a map
• features convenient ways to create, update, and remove nodes.
  

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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.

2) Import package:
Import flutter tree view using following line in the class you need to implement this functionality.

3) Creates Nodes:
We need to create a list of node with its children as per our requirement as following example.

4. Create a Map:
We need list of map data as per our requirement as following example.

5. Complete Implementation:
Here we have complete implementation of flutter tree view.

Output:

Conclusion:

In this article, we have learned about tree view structure with a simple mobikul example app using flutter_treeview: ^1.0.7+1 plugin.


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