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#import "TDTouchID.h"
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@implementation TDTouchID
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+ (void)td_showTouchIDWithDescribe:(NSString *)desc BlockState:(StateBlock)block{
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if (NSFoundationVersionNumber < NSFoundationVersionNumber_iOS_8_0) {
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dispatch_async(dispatch_get_main_queue(), ^{
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NSLog(@"系统版本不支持TouchID (必须高于iOS 8.0才能使用)");
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block(TDTouchIDStateVersionNotSupport,nil);
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});
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return;
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}
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LAContext *context = [[LAContext alloc] init];
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context.localizedFallbackTitle = desc ?: @"通过Home键验证已有指纹";
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NSError *error = nil;
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if ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:&error]) {
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[context evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics localizedReason:desc ?: @"通过Home键验证已有指纹" reply:^(BOOL success, NSError * _Nullable error) {
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if (success) {
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dispatch_async(dispatch_get_main_queue(), ^{
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NSLog(@"TouchID 验证成功");
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block(TDTouchIDStateSuccess,error);
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});
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}else if(error){
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switch (error.code) {
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case LAErrorAuthenticationFailed:{
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dispatch_async(dispatch_get_main_queue(), ^{
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NSLog(@"TouchID 验证失败");
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block(TDTouchIDStateFail,error);
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});
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break;
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}
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case LAErrorUserCancel:{
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dispatch_async(dispatch_get_main_queue(), ^{
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NSLog(@"TouchID 被用户手动取消");
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block(TDTouchIDStateUserCancel,error);
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});
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}
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break;
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case LAErrorUserFallback:{
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dispatch_async(dispatch_get_main_queue(), ^{
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NSLog(@"用户不使用TouchID,选择手动输入密码");
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block(TDTouchIDStateInputPassword,error);
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});
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}
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break;
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case LAErrorSystemCancel:{
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dispatch_async(dispatch_get_main_queue(), ^{
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NSLog(@"TouchID 被系统取消 (如遇到来电,锁屏,按了Home键等)");
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block(TDTouchIDStateSystemCancel,error);
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});
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}
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break;
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case LAErrorPasscodeNotSet:{
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dispatch_async(dispatch_get_main_queue(), ^{
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NSLog(@"TouchID 无法启动,因为用户没有设置密码");
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block(TDTouchIDStatePasswordNotSet,error);
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});
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}
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break;
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case LAErrorTouchIDNotEnrolled:{
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dispatch_async(dispatch_get_main_queue(), ^{
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NSLog(@"TouchID 无法启动,因为用户没有设置TouchID");
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block(TDTouchIDStateTouchIDNotSet,error);
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});
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}
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break;
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case LAErrorTouchIDNotAvailable:{
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dispatch_async(dispatch_get_main_queue(), ^{
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NSLog(@"TouchID 无效");
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block(TDTouchIDStateTouchIDNotAvailable,error);
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});
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}
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break;
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case LAErrorTouchIDLockout:{
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dispatch_async(dispatch_get_main_queue(), ^{
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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)");
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block(TDTouchIDStateTouchIDLockout,error);
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});
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}
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break;
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case LAErrorAppCancel:{
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dispatch_async(dispatch_get_main_queue(), ^{
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NSLog(@"当前软件被挂起并取消了授权 (如App进入了后台等)");
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block(TDTouchIDStateAppCancel,error);
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});
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}
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break;
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case LAErrorInvalidContext:{
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dispatch_async(dispatch_get_main_queue(), ^{
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NSLog(@"当前软件被挂起并取消了授权 (LAContext对象无效)");
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block(TDTouchIDStateInvalidContext,error);
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});
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}
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break;
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default:
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break;
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}
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}
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}];
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}else{
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dispatch_async(dispatch_get_main_queue(), ^{
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NSLog(@"当前设备不支持TouchID");
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block(TDTouchIDStateNotSupport,error);
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});
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}
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}
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@end
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