Flutter - Countdown Timer

The countdown timer app is about setting a time that moves in reverse order, as it shows the time left in the upcoming event. A countdown timer is an accurate timer that can be used for a website or blog to display the countdown to any special event, such as a birthday or anniversary. 

Step-by-Step Implementation

Step 1: Create a new Flutter Application

Create a new Flutter application using the command Prompt. To create a new app, write the following command and run it.

flutter create app_name

To know more about it refer this article: Creating a Simple Application in Flutter

Step 2: Adding the Dependency

To add the dependency to the pubspec.yaml file, add  flutter_timer_countdown as a dependency in the dependencies part of the pubspec.yaml file, as shown below:

Now, run the below command in the terminal.

flutter pub get

Or

Run the below command in the terminal.

flutter pub add flutter_timer_countdown

Step 3: Import dependencies

To use libraries, import all of them in the respective .dart file.

import 'package:flutter_timer_countdown/flutter_timer_countdown.dart';

Step 4: Add the countdown widget to your screen

Now, let us explain different properties of this widget.

Complete Source Code

main.dart:

Output: