ios Swift 3 - 设备令牌现在被解析为“32BYTES”
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Swift 3 - device tokens are now being parsed as '32BYTES'
提问by user1537360
I just updated from Xcode 7 to the 8 GM and amidst the Swift 3 compatibility issues I noticed that my device tokens have stopped working. They now only read '32BYTES'.
我刚刚从 Xcode 7 更新到 8 GM，在 Swift 3 兼容性问题中，我注意到我的设备令牌已停止工作。他们现在只读取“32BYTES”。
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data)
{
print(deviceToken) // Prints '32BYTES'
print(String(data: deviceToken , encoding: .utf8)) // Prints nil
}
Before the update I was able to simply send the NSData to my server, but now I'm having a hard time actually parsing the token.
在更新之前，我能够简单地将 NSData 发送到我的服务器，但现在我很难实际解析令牌。
What am I missing here?
我在这里缺少什么？
Edit: I just testing converting back to NSData and I'm seeing the expected results. So now I'm just confused about the new Data type.
编辑：我只是测试转换回 NSData 并且我看到了预期的结果。所以现在我只是对新的数据类型感到困惑。
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data)
{
print(deviceToken) // Prints '32BYTES'
print(String(data: deviceToken , encoding: .utf8)) // Prints nil
let d = NSData(data: deviceToken)
print(d) // Prints my device token
}
回答by Rok Gregori?
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
let token = deviceToken.map { String(format: "%02.2hhx", func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
var token = ""
for i in 0..<deviceToken.count {
token = token + String(format: "%02.2hhx", arguments: [deviceToken[i]])
}
print(token)
}
) }.joined()
print(token)
}
回答by Oleg
I had the same problem. This is my solution:
我有同样的问题。这是我的解决方案：
extension Data {
var hexString: String {
return map { String(format: "%02.2hhx", arguments: [func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
let token = String(data: deviceToken.base64EncodedData(), encoding: .utf8)?.trimmingCharacters(in: CharacterSet.whitespaces).trimmingCharacters(in: CharacterSet(charactersIn: "<>"))
}
]) }.joined()
}
}
回答by phatmann
Here is my Swift 3 extension to get a base-16 encoded hex string:
这是我的 Swift 3 扩展以获得 base-16 编码的十六进制字符串：
if #available(iOS 10.0, *) {
let deviceTokenString = deviceToken.reduce("", {deviceToken.base64EncodedString()
+ String(format: "%02X", )})
}
回答by rmaddy
The device token has never been a string and certainly not a UTF-8 encoded string. It's data. It's 32 bytes of opaque data.
设备令牌从来都不是字符串，当然也不是 UTF-8 编码的字符串。是数据。它是 32 字节的不透明数据。
The only valid way to convert the opaque data into a string is to encode it - commonly through a base64 encoding.
将不透明数据转换为字符串的唯一有效方法是对其进行编码 - 通常通过 base64 编码。
In Swift 3/iOS 10, simply use the Data base64EncodedString(options:)method.
在 Swift 3/iOS 10 中，只需使用该Data base64EncodedString(options:)方法。
回答by user
Try this:
尝试这个：
let tokenData = deviceToken as NSData
let token = tokenData.description
// remove any characters once you have token string if needed
token = token.replacingOccurrences(of: " ", with: "")
token = token.replacingOccurrences(of: "<", with: ""
token = token.replacingOccurrences(of: ">", with: "")
回答by bluenowhere
try this
尝试这个
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
let token = deviceToken.map({ String(format: "%02.2hhx", let token = String(format:"%@",deviceToken as CVarArg).components(separatedBy: CharacterSet.alphanumerics.inverted).joined(separator: "")
)}).joined()
print("TOKEN: " + token)
}
回答by Maselko
Swift 3
斯威夫特 3
The best and easiest way.
最好和最简单的方法。
let token = deviceToken.map { String(format: "%02.2hhx", ##代码##) }.joined()
回答by Bill Burgess
This one wasn't stated as an official answer (saw it in a comment), but is what I ultimately did to get my token back in order.
这个没有作为官方答案（在评论中看到），而是我最终为了让我的令牌恢复正常所做的。
##代码##回答by PacoG
回答by Satheeshwaran
I just did this,
我就是这样做的
##代码##it gave the result same as,
它给出了相同的结果，
##代码##