So here we can compare the StreamBuilder in Bloc with Consumer in Provider. The difference is that StreamBuilder listens to the stream and fetches the model on every change to rebuild the widget . But Consumer listens as soon as notifyListeners() executes inside the provider class.29 Haz 2020
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Flutter bloc is one of the state management for Flutter applications. You can use it to handle all the possible states of your application in an easy way .
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So to answer your question, you DON’T need RxDart, unless you want to implement the BLoC pattern on your own . If you use the Bloc library, you’re already using a RxDart free implementation of the BloC pattern.
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Most Popular Packages for State Management in Flutter (2022)
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