I’ve noticed an error warning keeps cropping up in Xcode‘s output console when doing the iOS Database lessons and challenges. Until now it hasn’t really been an issue, but in the latest challenge it is. This is the error message: 2022-04-17 17:21:47.365853+0100 Firebase Demo[11383:331544] 8.15.0 - [Firebase/Firestore][I-FST000001] WatchStream (7faddcc0ad88) Stream […]
Daily archives: 17 April 2022
4 posts
Lesson 10 from Module 1 of the CWC+ iOS Database course teaches us how to be notified of changes to our Firestore collections and databases. This code would notify us of any changes in the collection. Every time the collection changes, the completion handler will run. When we’re done with […]
Lesson 9 from Module 1 of the CWC+ iOS Database course covers reading data back from Firestore. To read back a single document, we can do this: Or, we can iterate through all documents, thus: Seems fairly straightfoward so far.
Lesson 8 from Module 1 of the CWC+ iOS Database course shows us how we can use completion handlers to check for errors when we interract with Firestore. We can use this when we try to delete a document, re: When updating a document, re: Just keeping this here to […]