[iOS基礎控制項，ios基礎控制項

[iOS基礎控制項，ios基礎控制項
原圖: 900 x 1305  1 // 2 // ViewController.m 3 // ImageZoom 4 // 5 // Created by hellovoidworld on 14/11/28. 6 // Copyright (c) 2014年 hellovoidworld. All rights reserved. 7 // 8 9 #import "ViewController.h"10 11 @interface ViewController ()12 13 // 圖片控制項14 @property (weak, nonatomic) IBOutlet UIImageView *imageView;15 16 // UIScrollView控制項17 @property (weak, nonatomic) IBOutlet UIScrollView *scrollView;18 19 @end20 21 @implementation ViewController22 23 - (void)viewDidLoad {24 [super viewDidLoad];25 // Do any additional setup after loading the view, typically from a nib.26 27 self.scrollView.contentSize = CGSizeMake(900, 1305);28 self.scrollView.delegate = self;29 30 self.scrollView.maximumZoomScale = 2.0;31 self.scrollView.minimumZoomScale = 0.1;32 33 }34 35 - (void)didReceiveMemoryWarning {36 [super didReceiveMemoryWarning];37 // Dispose of any resources that can be recreated.38 }39 40 41 - (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {42 NSLog(@"開始拖曳");43 }44 45 - (void)scrollViewDidScroll:(UIScrollView *)scrollView {46 NSLog(@"正在拖曳");47 }48 49 - (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate {50 NSLog(@"結束拖曳");51 }52 53 54 // 縮放手勢調用的方法55 - (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView {56 return self.imageView; // 需要放大的ImageView57 }58 59 - (void)scrollViewWillBeginZooming:(UIScrollView *)scrollView withView:(UIView *)view {60 NSLog(@"開始縮放");61 }62 63 - (void)scrollViewDidZoom:(UIScrollView *)scrollView {64 NSLog(@"正在縮放");65 }66 67 - (void)scrollViewDidEndZooming:(UIScrollView *)scrollView withView:(UIView *)view atScale:(CGFloat)scale {68 NSLog(@"結束縮放");69 }70 71 - (void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView {72 NSLog(@"拖曳完成後減速開始");73 }74 75 - (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {76 NSLog(@"拖曳完成後減速完成");77 }78 79 @end80