iOS 指纹解锁

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>

//
//  ViewController.m
//  TouchID
//
//  Created by Shaoting Zhou on 2018/1/23.
//  Copyright © 2018年 Shaoting Zhou. All rights reserved.
//

#import "ViewController.h"
#import <LocalAuthentication/LocalAuthentication.h>


@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    //创建LAContext
    LAContext *context = [LAContext new];
    
    //这个属性是设置指纹输入失败之后的弹出框的选项
    context.localizedFallbackTitle = @"没有忘记密码";
    
    NSError *error = nil;
    if ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:&error]) {
        NSLog(@"支持指纹识别");
        [context evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics localizedReason:@"请按home键指纹解锁" reply:^(BOOL success, NSError * _Nullable error) {
            if (success) {
                NSLog(@"验证成功 刷新主界面");
            }else{
                NSLog(@"%@",error.localizedDescription);
                switch (error.code) {
                    case LAErrorSystemCancel:
                    {
                        NSLog(@"系统取消授权，如其他APP切入");
                        break;
                    }
                    case LAErrorUserCancel:
                    {
                        NSLog(@"用户取消验证Touch ID");
                        break;
                    }
                    case LAErrorAuthenticationFailed:
                    {
                        NSLog(@"授权失败");
                        break;
                    }
                    case LAErrorPasscodeNotSet:
                    {
                        NSLog(@"系统未设置密码");
                        break;
                    }
                    case LAErrorTouchIDNotAvailable:
                    {
                        NSLog(@"设备Touch ID不可用，例如未打开");
                        break;
                    }
                    case LAErrorTouchIDNotEnrolled:
                    {
                        NSLog(@"设备Touch ID不可用，用户未录入");
                        break;
                    }
                    case LAErrorUserFallback:
                    {
                        [[NSOperationQueue mainQueue] addOperationWithBlock:^{
                            NSLog(@"用户选择输入密码，切换主线程处理");
                        }];
                        break;
                    }
                    default:
                    {
                        [[NSOperationQueue mainQueue] addOperationWithBlock:^{
                            NSLog(@"其他情况，切换主线程处理");
                        }];
                        break;
                    }
                }
            }
        }];
    }else{
        NSLog(@"不支持指纹识别");
        switch (error.code) {
            case LAErrorTouchIDNotEnrolled:
            {
                NSLog(@"TouchID is not enrolled");
                break;
            }
            case LAErrorPasscodeNotSet:
            {
                NSLog(@"A passcode has not been set");
                break;
            }
            default:
            {
                NSLog(@"TouchID not available");
                break;
            }
        }
        
        NSLog(@"%@",error.localizedDescription);
    }
    
}



- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end

Swift版本:

引入头文件:

import LocalAuthentication

//
//  ViewController.swift
//  TouchID-Swift
//
//  Created by Shaoting Zhou on 2018/1/23.
//  Copyright © 2018年 Shaoting Zhou. All rights reserved.
//

import UIKit
import LocalAuthentication

class ViewController: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        //创建LAContext
        let context = LAContext.init()
        
        //这个属性是设置指纹输入失败之后的弹出框的选项
        context.localizedFallbackTitle  = "没有忘记密码"
        
        var error:NSError? = nil
        if(context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error)){
            print("支持指纹识别")
            context.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: "请按home键指纹解锁", reply: { (success, err) in
                if(success){
                    print("验证成功,刷新界面")
                }else{
                    print("发生错误:(String(describing: error))")
                    let error:LAError = err! as! LAError
                    switch (error.code) {
                    case .systemCancel:
                        print("系统取消授权，如其他APP切入")
                        break
                    case .userCancel:
                        print("用户取消验证Touch ID")
                        break
                    case .authenticationFailed:
                        print("授权失败")
                        break
                    case .userFallback:
                        print("用户返回")
                        break
                    case .passcodeNotSet:
                        print("用户尚未位置指纹")
                        break
                    case .touchIDNotAvailable:
                        print("设备Touch ID未响应")
                        break
                    case .touchIDNotEnrolled:
                        print("设备Touch ID不可用")
                        break
                    case .touchIDLockout:
                        print("ouch ID锁住")
                        break
                    case .appCancel:
                        print("app验证Touch ID")
                        break
                    case .invalidContext:
                        print("无效Touch ID")
                        break
                    case .notInteractive:
                        print("不可交互")
                        break
                    }
                }
                
                
            })
            
        }else{
            print("不支持touchID")
        
        }
        
        
    }
    
    
    
    
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    
}

效果截图: