Objective c 警告：类实现不完整-iphone sdk警告

这是我的密码

//
//  SecondViewController.m
//
//  Created by tushar chutani on 11-05-16.
//  Copyright 2011 Fleetwood park secondary . All rights reserved.
//
#import "SecondViewController.h"
@implementation SecondViewController;

@synthesize titleForSong;
@synthesize bookDetailViewController;


-(void)viewDidLoad{
[titleForSong becomeFirstResponder];

}

-(IBAction)save{
NSLog(@"save is killed");


}


-(IBAction)cancel
{
[self dismissModalViewControllerAnimated:YES];

}


@end

h

#导入
#进口
#导入“sqlite3.h”
#导入“iphonestreamingplayervcontroller.h”
@类iPhoneStreamingPlayerViewController；
@界面SecondViewController:UIViewController{
UITextField*标题福松；
sqlite3*db；
iPhoneStreamingPlayerViewController*bookDetailViewController；
}
@属性（非原子，保留）iPhoneStreamingPlayerViewController*bookDetailViewController；
-（NSString*）文件路径；
@不动产（非原子，保留）IBOutlet UITextField*titleForSong；
-（i）取消；
-（i）保存；
@结束

您没有实现

-（NSString*）文件路径
这个问题太开放了。它已经解决了，谢谢你的评论
 #import <UIKit/UIKit.h>
 #import <Foundation/Foundation.h>
#import "sqlite3.h"
#import "iPhoneStreamingPlayerViewController.h"
@class iPhoneStreamingPlayerViewController;

@interface SecondViewController : UIViewController {
UITextField *titleForSong;  
sqlite3 *db;
iPhoneStreamingPlayerViewController *bookDetailViewController;  
}
@property(nonatomic,retain) iPhoneStreamingPlayerViewController     *bookDetailViewController;
-(NSString *)filePath;
@property(nonatomic,retain)IBOutlet UITextField *titleForSong;
-(IBAction)cancel;
-(IBAction)save;
@end