new/CommonFrame/CommonLocalAuthentication.swift

//
//  CommonLocalAuthentication.swift
//  CommonFrame
//
//  Created by Virgil on 2018/1/15.
//  Copyright © 2018年 Virgil. All rights reserved.
//

import UIKit

class CommonLocalAuthentication: NSObject {
    class func localAuthentication() {
        let context = LAContext()
        context.localizedFallbackTitle = "*"
        if #available(iOS 10.0, *) {
            context.localizedCancelTitle = "取消"
        } else {
            // Fallback on earlier versions
        }

        var error: NSError?
        if context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error) {
            context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: "需要验证您的touch ID", reply: { (success, _) in
                if success {
                    print("===登录成功====")
                } else {
                    print("===登录验证失败====")
//                    switch((error as! NSError).code)
//                    {
//                    case kLAErrorSystemCancel:
//                        print("切换到其他APP，系统取消验证Touch ID")
//                        break;
//                    case kLAErrorUserCancel:
//                        print("用户取消验证Touch ID")
//                        break;
//                    default:
//                        break;
//                    }
                }
            })

        } else {

            print("===不支持指纹识别====")

        }
    }
}