指纹解锁
#import "ViewController.h"
#import
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
//创建LAContext
LAContext *context = [LAContext new];
//这个属性是设置指纹输入失败之后的弹出框的选项
context.localizedFallbackTitle = @"没有忘记密码";
NSError *error = nil;
if ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:&error]) {
NSLog(@"支持指纹识别");
[context evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics localizedReason:@"请按home键指纹解锁" reply:^(BOOL success, NSError * _Nullable error) {
if (success) {
NSLog(@"验证成功 刷新主界面");
}else{
NSLog(@"%@",error.localizedDescription);
switch (error.code) {
case LAErrorSystemCancel:
{
NSLog(@"系统取消授权，如其他APP切入");
break;
}
case LAErrorUserCancel:
{
NSLog(@"用户取消验证Touch ID");
break;
}
case LAErrorAuthenticationFailed:
{
NSLog(@"授权失败");
break;
}
case LAErrorPasscodeNotSet:
{
NSLog(@"系统未设置密码");
break;
}
case LAErrorTouchIDNotAvailable:
{
NSLog(@"设备Touch ID不可用，例如未打开");
break;
}
case LAErrorTouchIDNotEnrolled:
{
NSLog(@"设备Touch ID不可用，用户未录入");
break;
}
case LAErrorUserFallback:
{
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
NSLog(@"用户选择输入密码，切换主线程处理");
}];
break;
}
default:
{
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
NSLog(@"其他情况，切换主线程处理");
}];
break;
}
}
}
}];
}else{
NSLog(@"不支持指纹识别");
switch (error.code) {
case LAErrorTouchIDNotEnrolled:
{
NSLog(@"TouchID is not enrolled");
break;
}
case LAErrorPasscodeNotSet:
{
NSLog(@"A passcode has not been set");
break;
}
default:
{
NSLog(@"TouchID not available");
break;
}
}
NSLog(@"%@",error.localizedDescription);
}
}
- (void)evaluateAuthenticate
{
//创建LAContext
LAContext* context = [[LAContext alloc] init];
NSError* error = nil;
NSString* result = @"请验证已有指纹";
//首先使用canEvaluatePolicy 判断设备支持状态
if ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:&error]) {
//支持指纹验证
[context evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics localizedReason:result reply:^(BOOL success, NSError *error) {
if (success) {
//验证成功，主线程处理UI
}
else
{
NSLog(@"%@",error.localizedDescription);
switch (error.code) {
case LAErrorSystemCancel:
{
//系统取消授权，如其他APP切入
break;
}
case LAErrorUserCancel:
{
//用户取消验证Touch ID
break;
}
case LAErrorAuthenticationFailed:
{
//授权失败
break;
}
case LAErrorPasscodeNotSet:
{
//系统未设置密码
break;
}
case LAErrorTouchIDNotAvailable:
{
//设备Touch ID不可用，例如未打开
break;
}
case LAErrorTouchIDNotEnrolled:
{
//设备Touch ID不可用，用户未录入
break;
}
case LAErrorUserFallback:
{
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
//用户选择输入密码，切换主线程处理
}];
break;
}
default:
{
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
//其他情况，切换主线程处理
}];
break;
}
}
}
}];
}
else
{
//不支持指纹识别，LOG出错误详情
NSLog(@"不支持指纹识别");
switch (error.code) {
case LAErrorTouchIDNotEnrolled:
{
NSLog(@"TouchID is not enrolled");
break;
}
case LAErrorPasscodeNotSet:
{
NSLog(@"A passcode has not been set");
break;
}
default:
{
NSLog(@"TouchID not available");
break;
}
}
NSLog(@"%@",error.localizedDescription);
}
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end