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Rendering Widgets Using JSON in Flutter

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Rendering Widgets Using JSON in Flutter, thinking about is it really even possible.

The answer is a big “YES“.

So here we will be displaying the widgets on screen with the help of JSON Data.

Now, the Most Important Question arises, we are already having widgets in a flutter with some well-defined properties, then What is the need of rendering the widgets with the help of JSON??

Flutter provides us with a huge number of in-built widgets, which we can directly use to create a beautiful and appealing UI for our applications.

But, the Rendering of UI through JSON Data comes into the picture when we have published the apps on to PlayStore and AppStore and some basic UI Changes need to be done.

Currently, we have to upload the apps again on PlayStore and AppStore after making the required changes but if we are using JSON Data i.e. through an API, we just need to make the changes in JSON Data, not in the apps.

Steps for Rendering UI through JSON Data

Step – 1-> Firstly, we will need to add the json_dynamic_widget dependency in pubspec.yaml file

Step – 2-> In order to bring data from the server API, we will also need to add a networking package.

Here, we can use the HTTP package.

In this blog, we will be rendering the data with the help of a .json file, we can create the API for the same and render data.

JSON File

Final Code

Output

Here’s the final output

 

Conclusion

In this blog, we have discussed how can we render the UI in Flutter apps using JSON Data.

I hope it will help you out in understanding.

Thanks for reading!!

References

https://medium.com/@limonadev/rendering-flutter-widgets-from-json-easily-3db02490519e

https://pub.dev/packages/json_dynamic_widget

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