使用swift跟踪蜂窝数据使用情况 [英] Track cellular data usage using swift
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问题描述
有没有办法在swift中跟踪设备使用的手机数据?有没有api?我正在尝试实现像这
Is there any way to track cellular data used by device in swift? Is there any api? I am trying to achieve something like this
推荐答案
更新到Swift 4,您可以使用这个简单的扩展程序。跟踪设备单元和wifi使用情况。
Updated to Swift 4 you can use this easy extension. To track the device cell and wifi Usage.
extension SystemDataUsage {
public static var wifiCompelete: UInt64 {
return SystemDataUsage.getDataUsage().wifiSent + SystemDataUsage.getDataUsage().wifiReceived
}
public static var wwanCompelete: UInt64 {
return SystemDataUsage.getDataUsage().wirelessWanDataSent + SystemDataUsage.getDataUsage().wirelessWanDataReceived
}
}
class SystemDataUsage {
private static let wwanInterfacePrefix = "pdp_ip"
private static let wifiInterfacePrefix = "en"
class func getDataUsage() -> DataUsageInfo {
var ifaddr: UnsafeMutablePointer<ifaddrs>?
var dataUsageInfo = DataUsageInfo()
guard getifaddrs(&ifaddr) == 0 else { return dataUsageInfo }
while let addr = ifaddr {
guard let info = getDataUsageInfo(from: addr) else {
ifaddr = addr.pointee.ifa_next
continue
}
dataUsageInfo.updateInfoByAdding(info)
ifaddr = addr.pointee.ifa_next
}
freeifaddrs(ifaddr)
return dataUsageInfo
}
private class func getDataUsageInfo(from infoPointer: UnsafeMutablePointer<ifaddrs>) -> DataUsageInfo? {
let pointer = infoPointer
let name: String! = String(cString: pointer.pointee.ifa_name)
let addr = pointer.pointee.ifa_addr.pointee
guard addr.sa_family == UInt8(AF_LINK) else { return nil }
return dataUsageInfo(from: pointer, name: name)
}
private class func dataUsageInfo(from pointer: UnsafeMutablePointer<ifaddrs>, name: String) -> DataUsageInfo {
var networkData: UnsafeMutablePointer<if_data>?
var dataUsageInfo = DataUsageInfo()
if name.hasPrefix(wifiInterfacePrefix) {
networkData = unsafeBitCast(pointer.pointee.ifa_data, to: UnsafeMutablePointer<if_data>.self)
if let data = networkData {
dataUsageInfo.wifiSent += UInt64(data.pointee.ifi_obytes)
dataUsageInfo.wifiReceived += UInt64(data.pointee.ifi_ibytes)
}
} else if name.hasPrefix(wwanInterfacePrefix) {
networkData = unsafeBitCast(pointer.pointee.ifa_data, to: UnsafeMutablePointer<if_data>.self)
if let data = networkData {
dataUsageInfo.wirelessWanDataSent += UInt64(data.pointee.ifi_obytes)
dataUsageInfo.wirelessWanDataReceived += UInt64(data.pointee.ifi_ibytes)
}
}
return dataUsageInfo
}
}
struct DataUsageInfo {
var wifiReceived: UInt64 = 0
var wifiSent: UInt64 = 0
var wirelessWanDataReceived: UInt64 = 0
var wirelessWanDataSent: UInt64 = 0
mutating func updateInfoByAdding(_ info: DataUsageInfo) {
wifiSent += info.wifiSent
wifiReceived += info.wifiReceived
wirelessWanDataSent += info.wirelessWanDataSent
wirelessWanDataReceived += info.wirelessWanDataReceived
}
}
您可以使用它: SystemDataUsage.wifiCompelete
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