Implement Timer in flutter

Updated 1 May 2023


In this blog we will learn how to implement Timer in flutter by creating an application.

As we all know , In today’s era making an application interactive and user friendly is very important.

Timer is a feature which we can give in our application .Using timer we can show the time in the backward counting on the UI.

Without wasting time anymore ,let’s begin the stepwise code implementation.

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One of the best thing of this bloc is that we are not using any flutter dependency for the implementation of timer.

Make the object of Timer class and import “import ‘dart:async’;

Step2:- Create startTimer() method.

In this step we will handle the different cases of timer class.As you can see here we are handling onFinished,onFinishedExecuted.

Step3:-Call the startTimer method

We will call the above created _startTimer() method in our initState().

Step4:-Add the callback build method

In this step we will call the callback build method.

Step5:-Use the countdown class in the required screen.

Now we will use the countdown timer class in the required screen.As you can see ,we are only calling the countdown class and passing the required parameters in it.

Now it’s done and you can run the code and check the output.

Congratulations!!!! you have learned the implementation of timer in flutter without import any external dependency.

For more details and methods you can refer to the official doc of flutter here.

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Hope this blog helped you with a better understanding of implement  timer in flutter.

Thanks for reading.😇

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