iOS指纹识别功能

iOS指纹识别功能Demo LAContext *myContext = [[LAContext alloc] init]; NSError *authError = nil; NSString *myLocalizedReasonString = @"通过Home键验证已有手机指纹"; if ([myContext canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:&authError]) { NSLog(@"Touch ID可以使用"); [myContext evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics localizedReason:myLocalizedReasonString reply:^(BOOL success, NSError * _Nullable error) { if (success) { // 成功 NSLog(@"成功"); UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Main" bundle:nil]; SuccessViewController *successVC = [storyboard instantiateViewControllerWithIdentifier:@"SuccessViewController"]; [self.navigationController pushViewController:successVC animated:YES]; } else { // 获取到相应的错误信息····做相应的操作 // 失败 } }]; }else { // NSLog(@"Touch ID 不可用"); }