ensure contact callback on proper thread

// FREEBIE
8 years ago · dc75e592c1
parent 64bcc94589
commit dc75e592c1
1 changed files with 7 additions and 4 deletions
--- a/Signal/src/contact/SystemContactsFetcher.swift
+++ b/Signal/src/contact/SystemContactsFetcher.swift
@ -51,18 +51,21 @@ class SystemContactsFetcher: NSObject {

        switch authorizationStatus {
        case .notDetermined:
-            contactStore.requestAccess(for: .contacts, completionHandler: { (granted, error) in
+            contactStore.requestAccess(for: .contacts) { (granted, error) in
                if let error = error {
                    Logger.error("\(self.TAG) error fetching contacts: \(error)")
                    assertionFailure()
                }

-                if !granted {
+                guard granted else {
                    Logger.info("\(self.TAG) declined contact access.")
-                } else {
+                    return
+                }
+
+                DispatchQueue.main.async {
                    self.updateContacts()
                }
-            })
+            }
        case .authorized:
            self.updateContacts()
        case .denied, .restricted: