1 // 2 // ViewController.m 3 // IOS_0115_buzhi 4 // 5 // Created by ma c on 16/1/15. 6 // Copyright (c) 2016年 博文科技. All rights reserved. 7 // 8 9 #import "ViewController.h" 10 11 @interface ViewController () 12 @property (nonatomic, strong) UIView *myView; 13 14 15 @end 16 17 @implementation ViewController 18 19 - (void)viewDidLoad { 20 [super viewDidLoad]; 21 22 UIView *blue = [[UIView alloc] init]; 23 blue.frame = CGRectMake(0, 0, 200, 200); 24 blue.backgroundColor = [UIColor blueColor]; 25 [self.view addSubview:blue]; 26 self.myView = blue; 27 28 UIView *red = [[UIView alloc] init]; 29 red.backgroundColor = [UIColor redColor]; 30 red.frame = CGRectMake(0, blue.frame.size.height-50, blue.frame.size.width, 50); 31 [blue addSubview:red]; 32 33 UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom]; 34 [btn setFrame:CGRectMake(self.view.center.x - 50, self.view.center.y + 150, 50, 50)]; 35 [btn setBackgroundColor:[UIColor purpleColor]]; 36 37 [self.view addSubview:btn]; 38 39 [btn addTarget:self action:@selector(change) forControlEvents:UIControlEventTouchUpInside]; 40 41 //设置autoresizing(前提取消autolayout) 42 //设置显示规则，只能按照父控件来设置参照 43 red.autoresizingMask = UIViewAutoresizingFlexibleTopMargin |UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight; 44 45 /* 46 位枚举 47 UIViewAutoresizingNone = 0, 48 UIViewAutoresizingFlexibleLeftMargin = 1 << 0,距离父控件的右边是固定的 49 UIViewAutoresizingFlexibleWidth = 1 << 1,宽度随着父控件变化而变化 50 UIViewAutoresizingFlexibleRightMargin = 1 << 2,距离左边是固定的 51 UIViewAutoresizingFlexibleTopMargin = 1 << 3,距离下边是固定的 52 UIViewAutoresizingFlexibleHeight = 1 << 4,高度随着父控件变化而变化 53 UIViewAutoresizingFlexibleBottomMargin = 1 << 5距离上面是固定的 54 55 Autoresizing的弊端 56 在storyboard中演示一个blueView左边和底部与父控件间距固定20,高为50 57 右边有一个redView它的右边和底部与父控件间距也是固定为20 58 两个View等宽,等高, 59 redView离blueView之间的间距永远是20.演示不能做出这个效果,然后引入Auto Layout 60 61 */ 62 } 63 64 - (void)change 65 { 66 CGRect frame = self.myView.frame; 67 frame.size.width +=20; 68 frame.size.height +=20; 69 self.myView.frame = frame; 70 71 } 72 73 - (void)didReceiveMemoryWarning { 74 [super didReceiveMemoryWarning]; 75 // Dispose of any resources that can be recreated. 76 } 77 78 @end