FutureBuilder is a Widget that will help you to execute some asynchronous function and based on that function’s result your UI will update . FutureBuilder is Stateful by nature i.e it maintains its own state as we do in StatefulWidgets.8 Oca 2021
Read moreWhat is difference between FutureBuilder and StreamBuilder in Flutter?
FutureBuilder solves a square value and returns the result after 5 seconds, till then we show a progress indicator to the user. StreamBuilder shows a stopwatch, incrementing _count value by 1 every second.
Read moreWhat is snapshot Flutter?
Snapshot is the result of the Future or Stream you are listening to in your FutureBuilder . Before interacting with the data being returned and using it in your builder, you have to access it first.
Read moreWhat is a builder in Flutter?
A builder is a Flutter design pattern in which the construction code of a widget is defined outside of its class . Builder functions are callback interfaces that pass data (often layout-specific) to the parent widget which returns a child based on that data.
Read moreHow do you get the future function value in Flutter?
There are two ways of getting a value from a Future .
Read moreHow do you call Future function in Flutter?
To perform such operations in Flutter/Dart, we usually use a Future class and the keywords async and await. A Future class allows you to run work asynchronously to free up any other threads that should not be blocked. Like the UI thread.30 Eyl 2020
Read moreCan widget Build be async?
There are many cases where we need to build a widget asynchronously to reflect the correct state of the app or data . A common example is fetching data from a REST endpoint.24 Haz 2021
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