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#import "FirstViewController.h"

#import "SecondViewController.h"

#import "Myimageview.h"

@interface FirstViewController ()

 

@end

 

@implementation FirstViewController

 

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

    if (self) {

        // Custom initialization

    }

    return self;

}

 

- (void)viewDidLoad

{

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    self.view.backgroundColor =[UIColor orangeColor];

    

    //如果vc是在导航里的，并且界面里只有一个是sv，sv会被自动调节。

    //关闭自动调整。

    //

    

    UIScrollView *sv=[[UIScrollView alloc]initWithFrame:CGRectMake(10, 10, 300, 550)];

    

    sv.showsVerticalScrollIndicator=NO;

    

    for (int i=0; i<15; i++) {

        Myimageview *miv=[[Myimageview alloc]initWithFrame:CGRectMake(i%3*100, i/3*150, 100, 150)];

        

        miv.image=[UIImage imageNamed:[NSString stringWithFormat:@"2_%d.jpg",i+1]];

        

        [miv settitle:[NSString stringWithFormat:@"Num %d",i]];

        

        

        [sv addSubview:miv];

        

        

        UITapGestureRecognizer *tapGR=[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapGR:)];

        miv.userInteractionEnabled=YES;

        [miv addGestureRecognizer:tapGR];

    }

    

    sv.contentSize=CGSizeMake(300, 150*5);

    [self.view addSubview:sv];

    

    

}

 

 

 

 

-(void)tapGR:(UITapGestureRecognizer *)tapGR

{

    SecondViewController *svc=[[SecondViewController alloc]init];

    

    svc.tapGR = tapGR;

    

    [self.navigationController pushViewController:svc animated:YES];

}

 

 

 

 

 

 

 

 

 

 

 

 

 

#import "Myimageview.h"

 

@implementation Myimageview

 

- (id)initWithFrame:(CGRect)frame

{

    self = [super initWithFrame:frame];

    if (self) {

        // Initialization code

        

        UIView *view=[[UIView alloc]initWithFrame:CGRectMake(0, 0, frame.size.width, 15)];

        view.backgroundColor=[UIColor whiteColor];

        view.alpha=0.3f;

        [self addSubview:view];

        

        _titlelabel=[[UILabel alloc]initWithFrame:view.frame];

        _titlelabel.font=[UIFont systemFontOfSize:10];

        _titlelabel.textColor=[UIColor blackColor];

        [self addSubview:_titlelabel];

        

        

        

    }

    return self;

}

 

-(void)settitle:(NSString *)str

{

    _titlelabel.text=str;

}

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

#import <UIKit/UIKit.h>

 

@interface SecondViewController : UIViewController

 

@property (nonatomic,retain)UITapGestureRecognizer *tapGR;

 

@end

 

 

 

 

 

 

 

 

 

 

#import "SecondViewController.h"

#import "Myimageview.h"

@interface SecondViewController ()<UIScrollViewDelegate>

 

@end

 

@implementation SecondViewController

 

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

    if (self) {

        // Custom initialization

    }

    return self;

}

 

- (void)viewDidLoad

{

    [super viewDidLoad];

    // Do any additional setup after loading the view.

    self.view.backgroundColor=[UIColor cyanColor];

    

    

    UITextField *tf=[[UITextField alloc]initWithFrame:CGRectMake(40, 70, 240, 25)];

    tf.tag=100;

    tf.borderStyle=UITextBorderStyleRoundedRect;

    [self.view addSubview:tf];

    

    

    

    UIScrollView *sv=[[UIScrollView alloc]initWithFrame:CGRectMake(30, 100, 260, 450)];

    

    UIImageView *iv=[[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 260, 450)];

    

    

    iv.image=[(Myimageview *)self.tapGR.view image];

    

    iv.tag=1;

    sv.delegate=self;

    sv.maximumZoomScale=3;

    sv.minimumZoomScale=0.5;

    

    [sv addSubview:iv];

    [self.view addSubview:sv];

    

    self.navigationItem.rightBarButtonItem=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemSave target:self action:@selector(saveClick)];

 

 

}

 

-(void)saveClick

{

    UITextField *tf =(UITextField *)[self.view viewWithTag:100];

    [(Myimageview *)self.tapGR.view settitle:tf.text];

    [self.navigationController popViewControllerAnimated:YES];

}

 

-(UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView

{

    return [scrollView viewWithTag:1];

}

 

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

    [self.view endEditing:YES];

}