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 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 moreWhat does provider Flutter do?
Provider is built using widgets. It literally creates new widget subclasses, allowing you to use all the objects in provider as if they’re just part of Flutter . This also means that provider is not cross platform.5 Ağu 2020
Read moreWhat is listenable provider in Flutter?
ListenableProvider is the specific provider used for listenable objects . It will listen, then ask widgets depending on it and affected by the state change to rebuild any time the listener is called. ChangeNotifierProvider is similar to ListenableProvider but for ChangeNotifier objects, and calls ChangeNotifier.
Read moreHow do I initialize a provider in Flutter?
Simply add a constructor in your provider : class StepInfo extends ChangeNotifier { StepInfo() { this. addToList = new VaccStep(); } […] }
Read moreHow do you call a provider without context in Flutter?
“flutter provider without context” Code Answer
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