Masonry多视图约束

#import "ViewController.h"
#import "Masonry.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    UIButton *redBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    redBtn.backgroundColor = [UIColor redColor];
    [redBtn setTitle:@"按钮1" forState:UIControlStateNormal];
    [self.view addSubview:redBtn];
    
    
    UIButton *blueBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    blueBtn.backgroundColor = [UIColor blueColor];
    [blueBtn setTitle:@"按钮2" forState:UIControlStateNormal];
    [self.view addSubview:blueBtn];
    
    UIButton *greenBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    [greenBtn setTitle:@"按钮3" forState:UIControlStateNormal];
    greenBtn.backgroundColor = [UIColor greenColor];
    
    [self.view addSubview:greenBtn];
    
    //使用Masonry不需要设置这个属性
    greenBtn.translatesAutoresizingMaskIntoConstraints = NO;
    
//    [redBtn mas_makeConstraints:^(MASConstraintMaker *make) {
//        //
//    }];
    
//    [@[redBtn,blueBtn,greenBtn] mas_distributeViewsAlongAxis:MASAxisTypeHorizontal withFixedItemLength:90 leadSpacing:10 tailSpacing:10];
    //MASAxisTypeHorizontal水平方向  三个按钮在同一水平线上
    //宽、左、右 固定的
    
    
     
    [@[redBtn,blueBtn,greenBtn] mas_makeConstraints:^(MASConstraintMaker *make) {
        //统一设置按钮的top的约束
        make.top.mas_equalTo(100);
        make.height.mas_equalTo(50);
    }];
    
    [@[redBtn,blueBtn,greenBtn] mas_distributeViewsAlongAxis:MASAxisTypeHorizontal withFixedSpacing:10 leadSpacing:10 tailSpacing:10];
    //水平方向 按钮的间距是固定的
    //leading和tailling 固定的
}
@end

Masonry多视图约束.png