Unsubscribe from a Firestore watch listener

Unsubscribe from a Firestore watch listener

Code sample

Go

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// Сontext with timeout stops listening to changes.
ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
defer cancel()

Java

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Query query = db.collection("cities");
ListenerRegistration registration = query.addSnapshotListener(
    new EventListener<QuerySnapshot>() {
      // ...
    });

// ...

// Stop listening to changes
registration.remove();

Node.js

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const unsub = db.collection('cities').onSnapshot(() => {
});

// ...

// Stop listening for changes
unsub();

Python

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# Terminate watch on a document
doc_watch.unsubscribe()