iOS 指纹解锁,苹果已经封装好了,只需无脑撸即可.

OC版本:

引入头文件:

#import <LocalAuthentication/LocalAuthentication.h>

  1 //
  2 //  ViewController.m
  3 //  TouchID
  4 //
  5 //  Created by Shaoting Zhou on 2018/1/23.
  6 //  Copyright © 2018年 Shaoting Zhou. All rights reserved.
  7 //
  8 
  9 #import "ViewController.h"
 10 #import <LocalAuthentication/LocalAuthentication.h>
 11 
 12 
 13 @interface ViewController ()
 14 
 15 @end
 16 
 17 @implementation ViewController
 18 
 19 - (void)viewDidLoad {
 20     [super viewDidLoad];
 21     // Do any additional setup after loading the view, typically from a nib.
 22     //创建LAContext
 23     LAContext *context = [LAContext new];
 24     
 25     //这个属性是设置指纹输入失败之后的弹出框的选项
 26     context.localizedFallbackTitle = @"没有忘记密码";
 27     
 28     NSError *error = nil;
 29     if ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:&error]) {
 30         NSLog(@"支持指纹识别");
 31         [context evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics localizedReason:@"请按home键指纹解锁" reply:^(BOOL success, NSError * _Nullable error) {
 32             if (success) {
 33                 NSLog(@"验证成功 刷新主界面");
 34             }else{
 35                 NSLog(@"%@",error.localizedDescription);
 36                 switch (error.code) {
 37                     case LAErrorSystemCancel:
 38                     {
 39                         NSLog(@"系统取消授权，如其他APP切入");
 40                         break;
 41                     }
 42                     case LAErrorUserCancel:
 43                     {
 44                         NSLog(@"用户取消验证Touch ID");
 45                         break;
 46                     }
 47                     case LAErrorAuthenticationFailed:
 48                     {
 49                         NSLog(@"授权失败");
 50                         break;
 51                     }
 52                     case LAErrorPasscodeNotSet:
 53                     {
 54                         NSLog(@"系统未设置密码");
 55                         break;
 56                     }
 57                     case LAErrorTouchIDNotAvailable:
 58                     {
 59                         NSLog(@"设备Touch ID不可用，例如未打开");
 60                         break;
 61                     }
 62                     case LAErrorTouchIDNotEnrolled:
 63                     {
 64                         NSLog(@"设备Touch ID不可用，用户未录入");
 65                         break;
 66                     }
 67                     case LAErrorUserFallback:
 68                     {
 69                         [[NSOperationQueue mainQueue] addOperationWithBlock:^{
 70                             NSLog(@"用户选择输入密码，切换主线程处理");
 71                         }];
 72                         break;
 73                     }
 74                     default:
 75                     {
 76                         [[NSOperationQueue mainQueue] addOperationWithBlock:^{
 77                             NSLog(@"其他情况，切换主线程处理");
 78                         }];
 79                         break;
 80                     }
 81                 }
 82             }
 83         }];
 84     }else{
 85         NSLog(@"不支持指纹识别");
 86         switch (error.code) {
 87             case LAErrorTouchIDNotEnrolled:
 88             {
 89                 NSLog(@"TouchID is not enrolled");
 90                 break;
 91             }
 92             case LAErrorPasscodeNotSet:
 93             {
 94                 NSLog(@"A passcode has not been set");
 95                 break;
 96             }
 97             default:
 98             {
 99                 NSLog(@"TouchID not available");
100                 break;
101             }
102         }
103         
104         NSLog(@"%@",error.localizedDescription);
105     }
106     
107 }
108 
109 
110 
111 - (void)didReceiveMemoryWarning {
112     [super didReceiveMemoryWarning];
113     // Dispose of any resources that can be recreated.
114 }
115 
116 
117 @end
OC-指纹解锁

Swift版本:

引入头文件:

import LocalAuthentication

 1 //
 2 //  ViewController.swift
 3 //  TouchID-Swift
 4 //
 5 //  Created by Shaoting Zhou on 2018/1/23.
 6 //  Copyright © 2018年 Shaoting Zhou. All rights reserved.
 7 //
 8 
 9 import UIKit
10 import LocalAuthentication
11 
12 class ViewController: UIViewController {
13     
14     override func viewDidLoad() {
15         super.viewDidLoad()
16         //创建LAContext
17         let context = LAContext.init()
18         
19         //这个属性是设置指纹输入失败之后的弹出框的选项
20         context.localizedFallbackTitle  = "没有忘记密码"
21         
22         var error:NSError? = nil
23         if(context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error)){
24             print("支持指纹识别")
25             context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: "请按home键指纹解锁", reply: { (success, err) in
26                 if(success){
27                     print("验证成功,刷新界面")
28                 }else{
29                     print("发生错误:\(String(describing: error))")
30                     let error:LAError = err! as! LAError
31                     switch (error.code) {
32                     case .systemCancel:
33                         print("系统取消授权，如其他APP切入")
34                         break
35                     case .userCancel:
36                         print("用户取消验证Touch ID")
37                         break
38                     case .authenticationFailed:
39                         print("授权失败")
40                         break
41                     case .userFallback:
42                         print("用户返回")
43                         break
44                     case .passcodeNotSet:
45                         print("用户尚未位置指纹")
46                         break
47                     case .touchIDNotAvailable:
48                         print("设备Touch ID未响应")
49                         break
50                     case .touchIDNotEnrolled:
51                         print("设备Touch ID不可用")
52                         break
53                     case .touchIDLockout:
54                         print("ouch ID锁住")
55                         break
56                     case .appCancel:
57                         print("app验证Touch ID")
58                         break
59                     case .invalidContext:
60                         print("无效Touch ID")
61                         break
62                     case .notInteractive:
63                         print("不可交互")
64                         break
65                     }
66                 }
67                 
68                 
69             })
70             
71         }else{
72             print("不支持touchID")
73         
74         }
75         
76         
77     }
78     
79     
80     
81     
82     
83     override func didReceiveMemoryWarning() {
84         super.didReceiveMemoryWarning()
85         // Dispose of any resources that can be recreated.
86     }
87     
88     
89 }
Swift-指纹解锁

效果截图: