没有互联网连接甚至连接的Iphone应用程序-Java 学习之路

我用iphone和ipad为xcode7（2.3）（Swift）制作了一些应用程序，一切正常，但我的可达性有一个主要问题，它说“没有互联网连接”即使我通过蜂窝数据连接到互联网但是在wifi工作正常..

Webview仍然在后台加载，但在前面有错误“没有找到Internet连接”，因此用户将关闭我的应用程序，因为他们将看到错误..

请帮帮我吧..

这是我的代码：

override func viewDidAppear（animated：Bool）{

if Reachability.isConnectedToNetwork() == true {

        print("Internet connection OK")

    } else {

        print("Internet connection FAILED")

        let ViewController = UIAlertController(title: "Error!", message: "No Internet Connection Found", preferredStyle: .Alert)



        let alertAction = UIAlertAction(title: "Dismiss", style: .Destructive) { (action) in

            print("Dismiss button tapped!")

        }



        ViewController.addAction(alertAction)

        presentViewController(ViewController, animated: true, completion: nil)

    }

}

这是我的可达性文件

import Foundation导入SystemConfiguration

公共课可达性{

class func isConnectedToNetwork() -> Bool {

    var zeroAddress = sockaddr_in(sin_len: 0, sin_family: 0, sin_port: 0, sin_addr: in_addr(s_addr: 0), sin_zero: (0, 0, 0, 0, 0, 0, 0, 0))
    zeroAddress.sin_len = UInt8(sizeofValue(zeroAddress))
    zeroAddress.sin_family = sa_family_t(AF_INET)

    let defaultRouteReachability = withUnsafePointer(&zeroAddress) {
        SCNetworkReachabilityCreateWithAddress(kCFAllocatorDefault, UnsafePointer($0))
    }

    var flags: SCNetworkReachabilityFlags = SCNetworkReachabilityFlags(rawValue: 0)
    if SCNetworkReachabilityGetFlags(defaultRouteReachability!, &flags) == false {
        return false
    }

    let isReachable = flags == .Reachable
    let needsConnection = flags == .ConnectionRequired

    return isReachable && !needsConnection

}

}

1 回答

试试这个

class func isConnectedToNetwork() -> Bool {

    var zeroAddress = sockaddr_in()
    zeroAddress.sin_len = UInt8(MemoryLayout<sockaddr_in>.size)
    zeroAddress.sin_family = sa_family_t(AF_INET)

    guard let defaultRouteReachability = withUnsafePointer(to: &zeroAddress, {
        $0.withMemoryRebound(to: sockaddr.self, capacity: 1) {
            SCNetworkReachabilityCreateWithAddress(nil, $0)
        }
    }) else {
        return false
    }

    var flags: SCNetworkReachabilityFlags = []
    if !SCNetworkReachabilityGetFlags(defaultRouteReachability, &flags) {
        return false
    }

    let isReachable = flags.contains(.reachable)
    let needsConnection = flags.contains(.connectionRequired)

    return (isReachable && !needsConnection)
}

回复于 2024-05-03T08:30:19+08:00

没有互联网连接甚至连接的Iphone应用程序

1 回答

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