#import "ViewController.h"
#import <LocalAuthentication/LocalAuthentication.h>
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];
btn.frame = CGRectMake(120, 90, 100, 40);
[btn setTitle:@"点击" forState:UIControlStateNormal];
[btn setBackgroundColor:[UIColor redColor]];
[btn addTarget:self action:@selector(click) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
}
-(void)click
{
LAContext *authenticationContext = [[LAContext alloc]init];
NSError* error = [[NSError alloc]init];
BOOL isTouchIdAailable = [authenticationContext canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:&error];
if (isTouchIdAailable)
{
NSLog(@"认证策略成功");
[authenticationContext evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics localizedReason:@"需要验证您的指纹来确认您的身份信息" reply:^(BOOL success, NSError * _Nullable error) {
if(success) {
NSLog(@"恭喜,您通过了Touch ID指纹验证!");
}
else
{
NSLog(@"抱歉,您未通过了Touch ID指纹验证!");
}
}];}
else
{
NSLog(@"认证策略失败,error === %@",error);
}
}
@end
iOS指纹识别
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