Reachability.swift
A Swift replacement for Apple's Reachability with closure-based network monitoring for iOS, macOS, and tvOS.
What is Reachability.swift?
Reachability.swift is a Swift library that monitors network connectivity changes on Apple platforms. It replaces Apple's original Reachability sample with a modern, closure-based API that detects when a device loses or regains network access and can differentiate between connection types like WiFi and cellular.
iOS, macOS, and tvOS developers who need to monitor network availability in their apps and respond to connectivity changes with clean, Swift-native code.
Developers choose Reachability.swift because it provides a more maintainable and Swift-idiomatic alternative to Apple's Reachability, with closure-based APIs that simplify network monitoring compared to delegate patterns or notification-heavy approaches.
Overview
Replacement for Apple's Reachability re-written in Swift with closures
Use Cases
Best For
- Detecting when an iOS app goes offline to show appropriate UI
- Monitoring network changes to pause/resume background downloads
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