(This answer was extended repeatedly due to changes in the Swift language, which made it a bit confusing. I have now rewritten it and removed everything which refers to Swift 1.x. The older code can be found in the edit history if somebody needs it.) This is how you would do it in Swift 2.0 … Read more
To solve the 4G issue mentioned in the comments I have used @AshleyMills reachability implementation as a reference and rewritten Reachability for Swift 3.1: updated: Xcode 10.1 • Swift 4 or later Reachability.swift file import Foundation import SystemConfiguration class Reachability { var hostname: String? var isRunning = false var isReachableOnWWAN: Bool var reachability: SCNetworkReachability? var … Read more
How can I check for an active Internet connection on iOS or macOS?