Allow applications to access a device’s network configuration settings. Determine the reachability of the device, such as whether Wi-Fi or cell connectivity are active.
- iOS 2.0+
- macOS 10.1+
- tvOS 9.0+
- Mac Catalyst 13.0+Beta
This collection of documents describes the programming interfaces of the System Configuration framework. The System Configuration framework provides functions that determine the reachability of target hosts in both a synchronous and an asynchronous manner. It also provides error detection facilities.