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");