Building a Flutter AlertDialog in just 15 minutes
Learn how to implement a customized Alert Dialog / Popup in Flutter.
The AlertDialog is basically a Popup in Flutter. Whenever you want to create a floating box that is centered on the page, you can simply use an AlertDialog. The implementation of the same is very easy and has been provided in-build with Flutter SDK. So, let's dive in… 👻
What you’ll build?
In this tutorial, you’ll build a mobile app featuring an AlertDialog / Popup in Flutter. The AlertDialog will have the following features:
- Animated loader GIF
- Customized actions buttons
- Curved Edges
This tutorial focuses on adding an AlertDialog to the Flutter app. Non-relevant concepts and code blocks are glossed over and are provided for you to simply copy and paste.
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Setting up Flutter on your machine
The detailed steps to install Flutter on your personal computer & getting started with Flutter is available at the following blog post
How to install Flutter on Mac & Windows
Learn about Flutter and how to set it up on Windows and Mac systems
Coding the component
Download the GIF by right-clicking, and saving it as
Import the GIF to your project by adding the file path to your
Putting Code in action
Create a file named
voicePayDialog.dart in the same directory as of your
main.dart file and amend the file with the following code:
To show the AlertDialog / Popup add the following code to
onTap parameter of any button in your
Remember to import
Building & running the application
- Connect your Emulator or physical Android device to test the application.
- Click on Build & Run.
- And Boooom 🧨, your app is ready to launch.
You have completed this tutorial and have built a Flutter app with an AlertDialog! Also, in the meantime, you integrated GIFs in the App.
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🎯 That’s all for today.
If you got any queries hit me up in the comments or ping me over on firstname.lastname@example.org 📧
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