[Basic iOS control and basic ios Control

[Basic iOS control and basic ios Control
Source image: 900x1305 1 // 2 // ViewController. m 3 // ImageZoom 4 // 5 // Created by hellovoidworld on 14/11/28. 6 // Copyright (c) 2014 hellovoidworld. all rights reserved. 7 // 8 9 # import "ViewController. h "10 11 @ interface ViewController () 12 13 // picture control 14 @ property (weak, nonatomic) IBOutlet UIImageView * imageView; 15 16 // UIScrollView control 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 (900,130 5); 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 didreceivemorywarning]; 37 // Dispose of any resources that can be recreated.38} 39 40 41-(void) scrollViewWillBeginDragging :( UIScrollView *) scrollView {42 NSLog (@ "start dragging"); 43} 44 45-(void) scrollViewDidScroll :( UIScrollView *) scrollView {46 NSLog (@ "dragging"); 47} 48 49-(void) scrollViewDidEndDragging :( UIScrollView *) scrollView willDecelerate :( BOOL) decelerate {50 NSLog (@ "End drag"); 51} 52 53 54 // scaling gesture call Method 55-(UIView *) viewForZoomingInScrollView :( UIScrollView *) scrollView {56 return self. imageView; // ImageView57} 58 59-(void) scrollViewWillBeginZooming: (UIScrollView *) scrollView withView :( UIView *) view {60 NSLog (@ "start scaling "); 61} 62 63-(void) scrollViewDidZoom :( UIScrollView *) scrollView {64 NSLog (@ "Scaling"); 65} 66 67-(void) scrollViewDidEndZooming :( UIScrollView *) scrollView withView :( UIView *) view atScale :( CGFloat) scale {68 NSLog (@ "End scaling"); 69} 70 71-(void) scrollViewWillBeginDecelerating :( UIScrollView *) scrollView {72 NSLog (@ "deceleration starts after dragging"); 73} 74 75-(void) scrollViewDidEndDecelerating :( UIScrollView *) scrollView {76 NSLog (@ "slowing down after dragging"); 77} 78 79 @ end80