initialData. The data that will be used to create the initial snapshot . Providing this value (presumably obtained synchronously somehow when the Stream was created) ensures that the first frame will show useful data.
Read moreWhat is stream subscription Flutter?
A subscription on events from a Stream . When you listen on a Stream using Stream. listen, a StreamSubscription object is returned. The subscription provides events to the listener, and holds the callbacks used to handle the events.
Read moreHow do you use streams in provider Flutter?
StreamsSelector is a Flutter widget which select streams from a provider and invokes the builder in response to signal emits in the selector stream. StreamsListener is a Flutter widget which takes a StreamsWidgetListener and a selector and invokes the listener in response to signal emits in the selector.
Read moreWhat is a stream provider?
StreamProvider provides, well, Streamed values . Like FutureProvider, provided values will be auto-magically passed the new values of the provided value as they come in. The major difference is that the values will trigger a re-build as many times as it needs to.
Read moreWhat is difference between StreamBuilder and StreamProvider?
StreamProvider is a more complete solution than StreamBuilder : StreamBuilder is a widget that comes with Flutter, and rebuilds itself every time the stream gets updated.
Read moreIs provider an inherited widget?
Yes. Provider is indeed mostly features based on Inheritedwidgets .
Read moreWhy do we use providers?
We use Provider in order to pass the store as an attribute . By passing the store as an attribute in the Provider component, we are avoiding having to store the store as props. As we know, applications can be very complex and extensive, thus having many React components.
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