iOS - (个人隐私钱包调用系统本机TouchID指纹锁验证)

//

//  ViewController.m

//  TouchID指纹验证

//

//  Created by apple on 16/9/18.

//  Copyright © 2016年 apple. All rights reserved.

//

#import "ViewController.h"

#import "HomeViewController.h"//跳转成功后需要跳转到的视图控制器

#import <LocalAuthentication/LocalAuthentication.h>//导入TouchID需要的类库

#import <sys/utsname.h> //获取设备基本信息需要的类库

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

[self touchID];

}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event

{

//调用TouchID会执行此方法，有需要可以实现一些另外的功能

}

- (void)touchID {

LAContext *context = [[LAContext alloc] init];

NSError *error = nil;

// 第一步判断是否支持Touch ID 或者 本机是否已经录入指纹

if ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:&error]) {

[context evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics localizedReason:@"请验证已有指纹" reply:^(BOOL success, NSError * _Nullable error) {

if (error) {

NSLog(@"验证失败"); // 系统会自动给错误提示

}else{

dispatch_async(dispatch_get_main_queue(), ^{

// 指纹验证成功后跳转

HomeViewController *home = [[HomeViewController alloc] init];

[self presentViewController:home animated:YES completion:nil];

});

}

}];

}else {

// 判断是否真机运行

if (self.isSimulator) {

[[[UIAlertView alloc] initWithTitle:@"提示" message:@"请用真机测试~" delegate:nil cancelButtonTitle:@"好的" otherButtonTitles:nil, nil] show];

}else{

[[[UIAlertView alloc] initWithTitle:@"提示" message:@"不支持Touch ID~" delegate:nil cancelButtonTitle:@"好的" otherButtonTitles:nil, nil] show];

}

}

}

// 判断当前设备是否支持TouchID功能

- (BOOL)isSimulator{

struct utsname systemInfo;

uname(&systemInfo);

NSString *deviceMachine = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];

if ([deviceMachine isEqualToString:@"i386"] || [deviceMachine isEqualToString:@"x86_64"])       {

return YES;

}

return NO;

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

@end