////  ViewController.m//  Masonry适配////  Created by asun on 16/5/24.//  Copyright © 2016年 wuchang. All rights reserved.//#import "ViewController.h"#import 
    
     @interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];        CGFloat width = WIDTH / 5.0;        UIView *view = [[UIView alloc]init];    view.backgroundColor = [UIColor yellowColor];    [self.view addSubview:view];    [view mas_makeConstraints:^(MASConstraintMaker *make) {        make.center.equalTo(self.view);//屏幕居中        make.width.and.height.mas_equalTo(width);    }];        UILabel *label1 = [[UILabel alloc]init];    label1.backgroundColor = [UIColor redColor];    [self.view addSubview:label1];        [label1 mas_makeConstraints:^(MASConstraintMaker *make) {        make.centerX.equalTo(view);    //X轴在控件view中居中显示        make.top.equalTo(view).offset(JWScaleY(10));  //距离顶部        make.bottom.equalTo(view).offset(JWScaleY(-30));//距离底部  （底部和右侧都是负数）        make.width.equalTo(view).offset(view.width - JWScaleY(40));//宽度    }];        UILabel *label2 = [[UILabel alloc]init];    label2.textAlignment = NSTextAlignmentCenter;    label2.text = @"label2";    [self.view addSubview:label2];        [label2 mas_makeConstraints:^(MASConstraintMaker *make) {        make.top.equalTo(label1.mas_bottom).offset(0); //距离lab1底部0像素        make.width.mas_equalTo(width);        make.centerX.equalTo(view); //X轴在控件view中居中显示        make.bottom.equalTo(view); //label2底部和view的底部重叠    }];     }- (void) layout{    UIView *views = [[UIView alloc]init];    views.backgroundColor = [UIColor blackColor];    [self.view addSubview:views];       //在做适配之前需要先把控件加到视图上，要不然会报错    __weak typeof(self)weakSelf = self;    [views mas_makeConstraints:^(MASConstraintMaker *make) {        make.center.equalTo(weakSelf.view);        make.size.mas_equalTo(CGSizeMake(300, 300));    }];        UIView *view1 = [[UIView alloc]init];        view1.backgroundColor = [UIColor yellowColor];    [views addSubview:view1];    [view1 mas_makeConstraints:^(MASConstraintMaker *make) {        //        make.edges.equalTo(view).with.insets(UIEdgeInsetsMake(10, 10, 10, 10));        //或者        //        make.top.equalTo(view).offset(10);        //        make.left.equalTo(view).offset(10);        //        make.right.equalTo(view).offset(-10);        //        make.bottom.equalTo(view).offset(-10);        //在或者        make.top.left.right.bottom.equalTo(weakSelf.view).with.insets(UIEdgeInsetsMake(10, 10, 10, 10));    }];        UIView *view2 =[[UIView alloc]init];    view2.backgroundColor = [UIColor redColor];    [view1 addSubview:view2];        UIView *view3 = [[UIView alloc]init];    view3.backgroundColor = [UIColor blueColor];    [view1 addSubview:view3];    [view2 mas_makeConstraints:^(MASConstraintMaker *make) {        make.top.equalTo(view1).offset(10);        make.left.equalTo(view1).offset(10);        make.bottom.equalTo(view1).offset(-10);        make.width.mas_equalTo(100);    }];        [view3 mas_makeConstraints:^(MASConstraintMaker *make) {        make.left.equalTo(view2.mas_right).offset(10);//设置view3的左侧距离view2的右侧10        make.top.equalTo(view1).offset(10);        make.right.equalTo(view1).offset(-10);        make.bottom.equalTo(view1).offset(-10);    }];}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end