Hey folks, I’m new to Flutter and working on an e-commerce app. I’m trying to figure out how to show different category screens back to back—kind of like Android fragments.
I have my home screen set up with a Scaffold that includes an app bar, drawer, and body. I want the app bar to remain fixed while only the body content updates based on the category data.
I’ve designed separate screens for different category levels like main categories, subcategories, sub-subcategories, and even super categories. How can I interchange these screens in the body section of the home screen?
Any help would be appreciated. Thanks!
Hey Daisy_Whimsical! Your e-commerce app idea sounds super interesting! 
Have you thought about using a PageView widget for your category screens? It’s pretty nifty for swiping between different views while keeping your app bar in place.
I’m curious, how many categories are you planning to have? It might be fun to experiment with some custom transitions between them. Maybe a cool fade effect or something quirky like a spin?
Oh, and have you considered adding a search feature? It could be a lifesaver for users trying to find specific items across categories.
What’s the most challenging part of the app for you so far? I’d love to hear more about your progress!
yo daisy, ive been there! try using a nested navigator in ur scaffold body. it lets u switch between category screens while keeping the app bar.
for state management, bloc pattern works great 4 e-commerce. it helps handle complex category data n user interactions.
dont forget bout caching! it’ll make ur app feel snappier when users switch categories alot.
For your e-commerce app, I’d suggest using a Navigator within the body of your Scaffold. This approach allows you to maintain a fixed app bar while swapping out content seamlessly.
Create a separate widget for each category level, then use Navigator.push() to transition between them. You can customize the transitions for a smooth user experience.
To manage state across screens, consider using a state management solution like Provider or Riverpod. This will help you keep track of selected categories and pass data between screens efficiently.
Remember to implement a back button in your app bar to navigate through the category hierarchy. You might also want to add breadcrumbs for easier navigation in deeper levels.
Hope this helps you get started. Good luck with your app!