可达性无法通过蜂窝连接快速连接3
问题描述:
这是我的课,用于检查我的应用程序的连接,因为它需要使用互联网/移动连接,但是如果通过蜂窝连接(3G连接),我的应用程序不起作用/ 4G/LTE)。任何人都可以帮我一把吗?感谢可达性无法通过蜂窝连接快速连接3
public class Reachability {
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(MemoryLayout.size(ofValue: zeroAddress))
zeroAddress.sin_family = sa_family_t(AF_INET)
let defaultRouteReachability = withUnsafePointer(to: &zeroAddress) {
$0.withMemoryRebound(to: sockaddr.self, capacity: 1) {zeroSockAddress in
SCNetworkReachabilityCreateWithAddress(nil, zeroSockAddress)
}
}
var flags: SCNetworkReachabilityFlags = SCNetworkReachabilityFlags(rawValue: 0)
if SCNetworkReachabilityGetFlags(defaultRouteReachability!, &flags) == false {
return false
}
let isReachable = flags == .reachable
let needsConnection = flags == .connectionRequired
let wWAN = flags == .isWWAN
return isReachable || wWAN && !needsConnection
}
}
答
我在我的代码中使用了这种方法,以便查找设备是否连接到互联网或不!我发现了*上的代码,但不记得链接。如果有人知道链接请评论,所以我可以更新帖子
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(MemoryLayout.size(ofValue: zeroAddress))
zeroAddress.sin_family = sa_family_t(AF_INET)
let defaultRouteReachability = withUnsafePointer(to: &zeroAddress) {
$0.withMemoryRebound(to: sockaddr.self, capacity: 1) {zeroSockAddress in
SCNetworkReachabilityCreateWithAddress(nil, zeroSockAddress)
}
}
var flags: SCNetworkReachabilityFlags = SCNetworkReachabilityFlags(rawValue: 0)
if SCNetworkReachabilityGetFlags(defaultRouteReachability!, &flags) == false {
return false
}
/* Only Working for WIFI
let isReachable = flags == .reachable
let needsConnection = flags == .connectionRequired
return isReachable && !needsConnection
*/
// Working for Cellular and WIFI
let isReachable = (flags.rawValue & UInt32(kSCNetworkFlagsReachable)) != 0
let needsConnection = (flags.rawValue & UInt32(kSCNetworkFlagsConnectionRequired)) != 0
let ret = (isReachable && !needsConnection)
return ret
}
它现在可以在蜂窝连接上工作吗?因为我没有使用此代码运行测试的物理设备。谢谢 –
是的,当你有蜂窝连接的时候,代码就可以工作。我已经在我的Physical iPhone 6s上测试过它,并且它非常完美。 :) 如果我的答案是有用的,你可以把它标记为你的问题的答案? @弗里茨杰拉尔德莫兰 – Siyavash
已经做到了。顺便说一句,谢谢 –