1 // 2 // ViewController.m 3 // 11-1UiscrollViewdelegate 4 // 5 // Created by zjj on 15/5/13. 6 // Copyright (c) 2015年 zjj. All rights reserved. 7 // 8 9 #import "ViewController.h" 10 11 @interface ViewController () <UIScrollViewDelegate> 12 { 13 UIImageView *_imgView; 14 } 15 @end 16 17 @implementation ViewController 18 19 - (void)viewDidLoad { 20 [super viewDidLoad]; 21 UIScrollView *scroView = [[UIScrollView alloc]init]; 22 scroView.frame = self.view.bounds; 23 [self.view addSubview:scroView]; 24 25 UIImage *img = [UIImage imageNamed:@"11.jpg"]; 26 _imgView = [[UIImageView alloc]initWithImage:img]; 27 [scroView addSubview:_imgView]; 28 29 scroView.contentSize = img.size; 30 scroView.delegate = self; 31 scroView.minimumZoomScale = 0.2; 32 scroView.maximumZoomScale = 2; 33 34 } 35 36 - (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView 37 { 38 return _imgView; 39 } 40 41 @end