iOS TouchID and FaceID
/**
* .h 继承自 LAContext
* TouchID/FaceID 状态
*/
typedef NS_ENUM(NSUInteger, XyAuthIDState){
/**
* 当前设备不支持TouchID/FaceID
*/
XyAuthIDStateNotSupport = 0,
/**
* TouchID/FaceID 验证成功
*/
XyAuthIDStateSuccess = 1,
/**
* TouchID/FaceID 验证失败
*/
XyAuthIDStateFail = 2,
/**
* TouchID/FaceID 被用户手动取消
*/
XyAuthIDStateUserCancel = 3,
/**
* 用户不使用TouchID/FaceID,选择手动输入密码
*/
XyAuthIDStateInputPassword = 4,
/**
* TouchID/FaceID 被系统取消 (如遇到来电,锁屏,按了Home键等)
*/
XyAuthIDStateSystemCancel = 5,
/**
* TouchID/FaceID 无法启动,因为用户没有设置密码
*/
XyAuthIDStatePasswordNotSet = 6,
/**
* TouchID/FaceID 无法启动,因为用户没有设置TouchID/FaceID
*/
XyAuthIDStateTouchIDNotSet = 7,
/**
* TouchID/FaceID 无效
*/
XyAuthIDStateTouchIDNotAvailable = 8,
/**
* TouchID/FaceID 被锁定(连续多次验证TouchID/FaceID失败,系统需要用户手动输入密码)
*/
XyAuthIDStateTouchIDLockout = 9,
/**
* 当前软件被挂起并取消了授权 (如App进入了后台等)
*/
XyAuthIDStateAppCancel = 10,
/**
* 当前软件被挂起并取消了授权 (LAContext对象无效)
*/
XyAuthIDStateInvalidContext = 11,
/**
* 系统版本不支持TouchID/FaceID (必须高于iOS 8.0才能使用)
*/
XyAuthIDStateVersionNotSupport = 12
};
@interface XyAuthID : LAContext
typedef void (^XyAuthIDStateBlock)(XyAuthIDState state, NSError *error);
/**
* 启动TouchID/FaceID进行验证
* @param describe TouchID/FaceID显示的描述
* @param block 回调状态的block
*/
- (void)xy_showAuthIDWithDescribe:(NSString *)describe block:(XyAuthIDStateBlock)block;
@end
#import
#define iPhoneX (UIScreen.mainScreen.bounds.size.width == 375.f && UIScreen.mainScreen.bounds.size.height == 812.f)
@implementation XyAuthID
+ (instancetype)sharedInstance {
static XyAuthID *instance = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
instance = [[XyAuthID alloc] init];
});
return instance;
}
- (void)xy_showAuthIDWithDescribe:(NSString *)describe block:(XyAuthIDStateBlock)block {
if(!describe) {
if(iPhoneX){
describe = @"验证已有面容";
}else{
describe = @"通过Home键验证已有指纹";
}
}
if (NSFoundationVersionNumber < NSFoundationVersionNumber_iOS_8_0) {
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"系统版本不支持TouchID/FaceID (必须高于iOS 8.0才能使用)");
block(XyAuthIDStateVersionNotSupport, nil);
});
return;
}
LAContext *context = [[LAContext alloc] init];
// 认证失败提示信息，为 @"" 则不提示
context.localizedFallbackTitle = @"输入密码";
NSError *error = nil;
// LAPolicyDeviceOwnerAuthenticationWithBiometrics: 用TouchID/FaceID验证
// LAPolicyDeviceOwnerAuthentication: 用TouchID/FaceID或密码验证, 默认是错误两次或锁定后, 弹出输入密码界面（本案例使用）
if ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthentication error:&error]) {
[context evaluatePolicy:LAPolicyDeviceOwnerAuthentication localizedReason:describe reply:^(BOOL success, NSError * _Nullable error) {
if (success) {
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID/FaceID 验证成功");
block(XyAuthIDStateSuccess, error);
});
}else if(error){
if (@available(iOS 11.0, *)) {
switch (error.code) {
case LAErrorAuthenticationFailed:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID/FaceID 验证失败");
block(XyAuthIDStateFail, error);
});
}
break;
case LAErrorUserCancel:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID/FaceID 被用户手动取消");
block(XyAuthIDStateUserCancel, error);
});
}
break;
case LAErrorUserFallback:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"用户不使用TouchID/FaceID,选择手动输入密码");
block(XyAuthIDStateInputPassword, error);
});
}
break;
case LAErrorSystemCancel:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID/FaceID 被系统取消 (如遇到来电,锁屏,按了Home键等)");
block(XyAuthIDStateSystemCancel, error);
});
}
break;
case LAErrorPasscodeNotSet:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID/FaceID 无法启动,因为用户没有设置密码");
block(XyAuthIDStatePasswordNotSet, error);
});
}
break;
//case LAErrorTouchIDNotEnrolled:{
case LAErrorBiometryNotEnrolled:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID/FaceID 无法启动,因为用户没有设置TouchID/FaceID");
block(XyAuthIDStateTouchIDNotSet, error);
});
}
break;
//case LAErrorTouchIDNotAvailable:{
case LAErrorBiometryNotAvailable:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID/FaceID 无效");
block(XyAuthIDStateTouchIDNotAvailable, error);
});
}
break;
//case LAErrorTouchIDLockout:{
case LAErrorBiometryLockout:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID/FaceID 被锁定(连续多次验证TouchID/FaceID失败,系统需要用户手动输入密码)");
block(XyAuthIDStateTouchIDLockout, error);
});
}
break;
case LAErrorAppCancel:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"当前软件被挂起并取消了授权 (如App进入了后台等)");
block(XyAuthIDStateAppCancel, error);
});
}
break;
case LAErrorInvalidContext:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"当前软件被挂起并取消了授权 (LAContext对象无效)");
block(XyAuthIDStateInvalidContext, error);
});
}
break;
default:
break;
}
} else {
// iOS 11.0以下的版本只有 TouchID 认证
switch (error.code) {
case LAErrorAuthenticationFailed:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID 验证失败");
block(XyAuthIDStateFail, error);
});
}
break;
case LAErrorUserCancel:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID 被用户手动取消");
block(XyAuthIDStateUserCancel, error);
});
}
break;
case LAErrorUserFallback:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"用户不使用TouchID,选择手动输入密码");
block(XyAuthIDStateInputPassword, error);
});
}
break;
case LAErrorSystemCancel:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID 被系统取消 (如遇到来电,锁屏,按了Home键等)");
block(XyAuthIDStateSystemCancel, error);
});
}
break;
case LAErrorPasscodeNotSet:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID 无法启动,因为用户没有设置密码");
block(XyAuthIDStatePasswordNotSet, error);
});
}
break;
case LAErrorTouchIDNotEnrolled:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID 无法启动,因为用户没有设置TouchID");
block(XyAuthIDStateTouchIDNotSet, error);
});
}
break;
case LAErrorTouchIDNotAvailable:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID 无效");
block(XyAuthIDStateTouchIDNotAvailable, error);
});
}
break;
case LAErrorTouchIDLockout:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"TouchID 被锁定(连续多次验证TouchID失败,系统需要用户手动输入密码)");
block(XyAuthIDStateTouchIDLockout, error);
});
}
break;
case LAErrorAppCancel:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"当前软件被挂起并取消了授权 (如App进入了后台等)");
block(XyAuthIDStateAppCancel, error);
});
}
break;
case LAErrorInvalidContext:{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"当前软件被挂起并取消了授权 (LAContext对象无效)");
block(XyAuthIDStateInvalidContext, error);
});
}
break;
default:
break;
}
}
}
}];
}else{
dispatch_async(dispatch_get_main_queue(), ^{
NSLog(@"当前设备不支持TouchID/FaceID");
block(XyAuthIDStateNotSupport, error);
});
}
}
@end
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