swift 监听网络状态

概述 func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {                  AFNetworkReachabilityManager.sharedManager().startMonitori func application(application: UIApplication,dIDFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {

AFNetworkReachabilityManager.sharedManager().startMonitoring()
AFNetworkReachabilityManager.sharedManager().setReachabilityStatusChangeBlock { (status) in
switch status {
case .UnkNown:
JLToast.makeText("当前网络未知",duration: 3).show(UIApplication.sharedApplication().keyWindow)
case .NotReachable:
JLToast.makeText("当前网络不可以用，请检查!",duration: 3).show(UIApplication.sharedApplication().keyWindow)
case .ReachableViaWiFi:
break
case .ReachableViaWWAN:
break

}
}

//写你的代码


return true
}

func applicationDIDEnterBackground(application: UIApplication) { // Use this method to release shared resources,save user data,invalIDate timers,and store enough application state information to restore your application to its current state in case it is terminated later. // If your application supports background execution,this method is called instead of applicationWillTerminate: when the user quits. AFNetworkReachabilityManager.sharedManager().stopMonitoring() } func applicationWillEnterForeground(application: UIApplication) { // Called as part of the Transition from the background to the inactive state; here you can undo many of the changes made on entering the background. AFNetworkReachabilityManager.sharedManager().startMonitoring() }

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