Streams provide an asynchronous sequence of data . Data sequences include user-generated events and data read from files. You can process a stream using either await for or listen() from the Stream API. Streams provide a way to respond to errors. There are two kinds of streams: single subscription or broadcast.
Read moreWhat is a stream in Flutter?
A Stream provides a way to receive a sequence of events . Each event is either a data event, also called an element of the stream, or an error event, which is a notification that something has failed. When a stream has emitted all its event, a single “done” event will notify the listener that the end has been reached.
Read moreWhat is a Future in Flutter?
A Future is defined exactly like a function in Dart, but instead of Void you use Future . If you want to return a value from Future, then you pass it a Type.
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 does Future builder work?
FutureBuilder is a Widget that will assist you with executing some asynchronous function and based on that function’s outcome your UI will update. In future builder, it calls the future capacity to wait for the outcome, and when it creates the outcome it calls the builder function where we assemble the widget .
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