Flutter - Quiz application by using Radio and Checkbox

In the mobile application, if you creating a feature that providing multiple options like user registration form screen where we always ask gender and hobby of the user. So, in that case, we always need a radio and checkbox widget in the application. A Radio button used in the...

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Flutter - Sticky header list

To divide the category of the items in the list view, we always need a sticky header. The sticky header shows header of group at the top of the list view when the user scrolls through the contents. The sticky header makes groups of children of the same type and also gives great...

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Flutter - Upload multipart images on server.

Sometimes, we have to upload an image on the server to complete application features like feed and user profile pic. The multipart is a simple option to upload images in the multipart request. The Dio library also gives an option to send the multipart HTTP requests. You must...

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