How to create a simple To-Do List App with Flutter .

    Daily management is a widespread issue, and To-Do List app is among the easiest to start with to learn how Flutter can be used. Here, in this blog, I will tell you how I created a simple To-Do List application in Flutter, discuss the main concepts applied in it, and present the entire code.

Project Overview

With this Flutter To-Do List application, one will be able to:

  • Add new tasks
  • Display tasks in a list
  • Delete completed tasks
  • Operating on Android and iOS.

This project aims to learn about the state management, widgets, and user interaction in Flutter.

GitHub Repository Link: https://github.com/RabbitWhite-glitch/flutter_todo.git

App Screenshot:



Technologies Used

  • Flutter
  • Dart
  • Material UI
  • VS Code

Project Structure

The project progresses according to a neat and simple structure:

    main.dart – App entry point

Widgets for:
  • Text input
  • Task list display
  • Delete functionality
Flutter's use of a widget-based architecture makes the UI reusable and easy to manage.

Key Concepts Used

Stateful Widgets:

Since a To-Do app requires dynamically updating of UI based on the addition or deletion of tasks, the StatefulWidget is used to manage the state of the app.

List & ListView:

Tasks are stored in a List, and displayed with the ListView.builder, which helps to efficiently render the task items.

TextEditingController:

TextEditingController is used to get input from the user from the text field in case of adding a new tasks.

setState():

Whenever a task is added or removed, setState() is called so that the UI gets updated instantly.

App Workflow

  • User types in task within the text field
  • Presses the Add button
  • Task gets added to the list
  • Tasks are dynamically displayed
  • User can delete a task if it is complete

This flow makes the app simple but functional.



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