我有一个用户类,我通过iPhone应用程序使用,这是我的用户类(一个SUBCLASS OF NSobject)的init和initWithUser函数,当我使用initWithUser函数时,我得到代码后面描述的警告.请指教.
// serialize.h
#import <Foundation/Foundation.h>
@protocol Serialize
// serialize the object to an xml string
-(NSString*)ToXML;
@end
// user.h
#import <Foundation/Foundation.h>
#import "Serialize.h"
#import "Contact.h"
@interface User : NSObject <Serialize> {
NSString *email;
NSString *firstName;
NSString *lastName;
NSString *userId;
NSString *userName;
NSString *password;
NSMutableArray *contactList;
}
@property (nonatomic,copy) NSString *email;
@property (nonatomic,copy) NSString *firstName;
@property (nonatomic,copy) NSString *lastName;
@property (nonatomic,copy) NSString *userId;
@property (nonatomic,copy) NSString *userName;
@property (nonatomic,copy) NSString *password;
@property (nonatomic, retain) NSMutableArray *contactList;
//-(id)init;
-(id)initWithUser:(User *)copyUser; …