1

In my app I have a screen which contains 3 different future builders, I would like to update the data recovered from a future builder. I tried the setState () method but this updates all 3 future builders on the page, I only need to update one. How can I do ?

My 3 future builders are structured like this:

FutureBuilder(
future: getData(), //Fetch the data
builder:
    (context, AsyncSnapshot snapshot) {
  if (snapshot.connectionState == ConnectionState.done) {
    return Text('${snapshot.data}',
        style: const TextStyle(
            fontSize: 15,
            color: Colors.black));
  } else {
    return const CircularProgressIndicator.adaptive();
  }
})
Luca Orlandi
  • 55
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2 Answers2

1

If you want to rebuild just a portion of your screen, you can use StatefulBuilder. Wrap the single FutureBuilder you want to rebuild with a StatefulBuilder like so:

StatefulBuilder(
 builder: (context, setState) {
  return YourFutureBuilder();
 },
)

If setState is called from inside the StatefulBuilder, only the portion of the screen that is wrapped with the StatefulBuilder will be rebuilt.

TheUltimateOptimist
  • 1,089
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-1

Setstate will always rebuild your page. please use State management plugins like getx,provider for some portion update.

Prashant Vaddoriya
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  • "Setstate will always rebuild your page" - This is not true. You do not need state management plugins to rebuild only parts of your screen. They make it more convenient but are not necessarily needed. Anything you can do with a plugin, you can also do without it, it may only require more effort. – TheUltimateOptimist Apr 15 '22 at 12:36