苹果手机指纹验证

来源：互联网发布：淘宝怎样设置拍下立减编辑：程序博客网时间：2024/04/19 14:50

先导入一个库文件

#import <LocalAuthentication/LocalAuthentication.h>

//此方法专门用来印证用户的指纹

- (void)anthenticationUser

{

LAContext *content = [[LAContextalloc]init];

content.localizedFallbackTitle =@"输入密码";

NSError *error =nil;

NSString *text =@"请验证已有指纹";

if ([contentcanEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometricserror:&error]) {

[content evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometricslocalizedReason:textreply:^(BOOL success,NSError *error) {

dispatch_async(dispatch_get_main_queue(), ^{

if (success) {

[selfshowHud:@"指纹验证成功"];

}else{

DLog(@"error.description = %@ %@",error.description,error.userInfo);

NSString *errorDescription;

if (error.code ==LAErrorAuthenticationFailed) {

errorDescription = @"指纹认证失败";

}

//iOS9.0

// else if (error.code == LAErrorAppCancel) {

// errorDescription = @"认证被APP取消";

// }

elseif (error.code ==LAErrorSystemCancel) {

errorDescription = @"认证被系统取消";

}elseif (error.code ==LAErrorUserCancel) {

errorDescription = @"点击取消按钮";

}elseif (error.code ==LAErrorUserFallback) {

errorDescription = @"点击输入密码按钮";

}else{

errorDescription = @"指纹验证失败";

}

DLog(@"%@",errorDescription);

[selfshowHud:errorDescription];

}

});

}];

}else{

DLog(@"error.description = %@ %@",error.description,error.userInfo);

dispatch_async(dispatch_get_main_queue(), ^{

NSString *errorDescription;

if (error.code ==LAErrorTouchIDNotAvailable) {

errorDescription = @"Touch ID不可用";

}elseif (error.code ==LAErrorTouchIDNotEnrolled) {

errorDescription = @"TouchID尚未被录入";

}

//iOS9.0

// else if (error.code == LAErrorTouchIDLockout) {

// errorDescription = @"失败次数过多，请输入密码解锁";

// }

elseif (error.code ==LAErrorPasscodeNotSet) {

errorDescription = @"尚未设置密码";

}else{

errorDescription = @"该设备不支持Touch ID";

}

DLog(@"%@",errorDescription);

[selfshowHud:errorDescription];

});

}

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