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 moreHow does a Future builder work?
In future builder, it calls the future function to wait for the result, and as soon as it produces the result it calls the builder function where we build the widget .28 May 2019
Read moreWhat is a StreamBuilder Flutter?
StreamBuilder is a widget that builds itself based on the latest snapshot of interaction with a stream .
Read moreWhat is AsyncSnapshot Flutter?
AsyncSnapshot<T> class Null safety. Immutable representation of the most recent interaction with an asynchronous computation . See also: StreamBuilder, which builds itself based on a snapshot from interacting with a Stream. FutureBuilder, which builds itself based on a snapshot from interacting with a Future.
Read moreWhat is a Dart snapshot?
A Dart snapshot is just a binary serialization of the token stream, generated from parsing the code . A snapshot is not a “snapshot of a running program”, it’s generated before the tokens are turned into machine code. So, no program state is captured in a snapshot.
Read moreWhat is snapshots in Dart?
A Dart snapshot is just a binary serialization of the token stream, generated from parsing the code . A snapshot is not a “snapshot of a running program”, it’s generated before the tokens are turned into machine code. So, no program state is captured in a snapshot.
Read moreWhat is snapshot hasData Flutter?
bool hasData. Returns whether this snapshot contains a non-null data value . This can be false even when the asynchronous computation has completed successfully, if the computation did not return a non-null value. For example, a Future<void> will complete with the null value even if it completes successfully.
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