iOS 指纹锁Touch ID解锁

1、首先在您的项目的Build Setting - - - >>> Link Binary With Libraries 中导入LocalAuthentication.framework库

2、在您需要的类中导入<LocalAuthentication/LAContext.h>

#import <LocalAuthentication/LAContext.h>

3、最后就是在您需要的监听事件中执行下列代码就可以了

LAContext *ctx = [[LAContext alloc] init];// 判断设备是否支持指纹识别if ([ctx canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:NULL]) {NSLog(@"支持指纹识别");// 指纹输入时异步的// 验证手机设置过的指纹[ctx evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics localizedReason:@"通过Home键验证您的指纹" reply:^(BOOL success, NSError *error) {NSLog(@"%d %@", success, error);if (success) {// 指纹之别成功// TODO}}];} else {NSLog(@"不支持");}