// // YLKeychainWrapper.h // YLGestureLock // // Created by youngliu on 2017/12/20. // Copyright © 2017年 yangliu. All rights reserved. // #import #import @interface YLKeychainWrapper : NSObject + (instancetype)sharedWrapper; - (BOOL)addData:(id)data forService:(NSString *)service; - (id)queryDataWithService:(NSString *)service; - (BOOL)updateData:(id)data forService:(NSString *)service; - (BOOL)deleteDataWithService:(NSString *)service; @end