iPhoneiPad 唯一标识符除了 UUIDUDID 之外

iPhone/iPad 唯一标识符除了 UUID/UDID 之外的其他选项

swift
import UIKit
func getVendorID() -> String? {
    return UIDevice.current.identifierForVendor?.uuidString
}
let vendorID = getVendorID()
print("Vendor ID: \(vendorID ?? "未知")")

swift
import AdSupport
func getAdvertisingID() -> String? {
    return ASIdentifierManager.shared().advertisingIdentifier.uuidString
}
let advertisingID = getAdvertisingID()
print("Advertising ID: \(advertisingID ?? "未知")")

swift
import KeychainAccess
func getUniqueIdentifierFromKeychain() -> String? {
    let keychain = Keychain(service: "com.example.app")
    if let identifier = try? keychain.get("uniqueIdentifier") {
        return identifier
    } else {
        let newIdentifier = UUID().uuidString
        try? keychain.set(newIdentifier, key: "uniqueIdentifier")
        return newIdentifier
    }
}
let uniqueIdentifier = getUniqueIdentifierFromKeychain()
print("Unique Identifier: \(uniqueIdentifier ?? "未知")")