If you’re venturing into the world of Flutter development, the Contra Flutter Kit serves as a perfect foundation for your projects. This blog post will guide you through the steps to run and build your app using this comprehensive wireframe kit. Whether you’re developing onboarding screens, login forms, or payment interfaces, this kit is equipped with everything you need. So, let’s dive in!
Getting Started with Contra Flutter Kit
The Contra Flutter Kit is designed to help developers create a variety of screens seamlessly. Through this kit, you will find pre-built templates for:
- Onboarding
- Login Forms
- Menus
- Dialogs
- Toast Notifications
- Chat Screens
- Shopping Screens
- Blogs
- Payment Screens
- Alarm, Clock, and Weather Screens
- Data Charts
- Map and Location
- Content and Text Details
- Menu and Settings
Running Your Flutter App
Before running your app, ensure that you have Flutter installed on your machine. Here are some commands to get your app up and running:
flutter run --no-sound-null-safety
This command will enable your app to run with certain dependencies that don’t have null safety. If you’re looking to run it specifically on the web, use the following command:
flutter run -d chrome --no-sound-null-safety
To build the APK file of your app:
flutter build apk --no-sound-null-safety
And if you plan to build the project for the web, use:
flutter build web --no-sound-null-safety
Understanding the Commands
Think of each command as a different mode of transportation for your Flutter application. Just like you would choose a car for a road trip, a plane for long-distance travel, or a bike for a quick ride, these commands help you select how you want to deploy your app:
- flutter run –no-sound-null-safety: This is akin to starting your journey; it runs the app locally for testing.
- flutter run -d chrome –no-sound-null-safety: Here, you’re choosing to take the scenic route through the web browser.
- flutter build apk –no-sound-null-safety: This command is like packing your bags for a trip—creating a package ready for deployment.
- flutter build web –no-sound-null-safety: Just as you would finalize your travel arrangements, this command builds your web application.
Screenshots of the Contra Flutter Kit
The Contra Flutter Kit comes with various screens that can be tailored to fit your app’s needs. Here are the types of screens included:
Onboarding and Splash Screens




Login, Verification, and Contact Us Forms







Chat Screens



Shopping Screen Types






Blog Screen Types





Payment Screen Types




Alarm, Clock, and Weather Screens





Data Charts


Map and Location


Content and Text Details










Menu and Settings





Troubleshooting Tips
While working with Flutter and the Contra Flutter Kit, you might encounter a few issues. Here are some troubleshooting tips:
- If you run into problems with null safety, double-check that you are using the correct commands as outlined above.
- Ensure that all dependencies in your `pubspec.yaml` file are updated to their latest versions.
- Clear your project’s build cache using the command flutter clean if you encounter unexpected errors.
- If your app doesn’t run as expected, check the console for error messages that can guide you towards a solution.
For more insights, updates, or to collaborate on AI development projects, stay connected with fxis.ai.
Final Thoughts
When developing with the Contra Flutter Kit, remember that you are not just building an application; you’re creating an experience. Optimizing your components and maintaining code quality will pave the way for successful app deployment. Whether working on onboarding processes or chat interfaces, the kit has you covered!
At fxis.ai, we believe that such advancements are crucial for the future of AI, as they enable more comprehensive and effective solutions. Our team is continually exploring new methodologies to push the envelope in artificial intelligence, ensuring that our clients benefit from the latest technological innovations.
Credits
This project is created and maintained by Sabarinathan, a Mobile and Backend Engineer specializing in Android, Flutter, and Rails. You can follow his work on:
Special thanks to Vijay Verma for the awesome design kit. Visit the official Contra wireframe kit page for more resources!

