使用Reachability來(lái)查看本機(jī)的網(wǎng)絡(luò)狀態(tài).
github地址: Reachability.swift
//declare this property where it won't go out of scope relative to your listener
let reachability = Reachability()!
reachability.whenReachable = { reachability in
// this is called on a background thread, but UI updates must
// be on the main thread, like this:
dispatch_async(dispatch_get_main_queue()) {
if reachability.isReachableViaWiFi() {
print("Reachable via WiFi")
} else {
print("Reachable via Cellular")
}
}
}
reachability.whenUnreachable = { reachability in
// this is called on a background thread, but UI updates must
// be on the main thread, like this:
dispatch_async(dispatch_get_main_queue()) {
print("Not reachable")
}
}
do {
try reachability.startNotifier()
} catch {
print("Unable to start notifier")
}
