UIView

Dear 丶 2022-08-01 01:19 185阅读 0赞

//
    //  UIViewViewController.m
    //  AppUI组件学习
    //
    //  Created by 麦子 on 15/6/16.
    //  Copyright (c) 2015年 麦子. All rights reserved.
    //
    
    #import "UIViewViewController.h"
    
    @interface UIViewViewController (){
    
        UIView *myview4;
    }
    
    
    @end
    
    /***
       UIView 就是一个容器，就像栈一样，一个有顺序的容器，他对层的操作会导致这个层的数组的下标这样的顺序有变动
     
     **/
    @implementation UIViewViewController
    
    - (void)viewDidLoad {
        [super viewDidLoad];
        self.view.backgroundColor = [UIColor blackColor];
        [self createView:self.view];
    }
    
    - (void)createView:(id)uiView{
        UIView *view = (UIView *)uiView;
        
        UIView *myView = [[UIView alloc] init];
        myView.frame = CGRectMake(10, 80, 300, 100);
        myView.backgroundColor = [UIColor yellowColor];
        // 自动裁减，超过父视图的地方，会自动裁掉
        myView.clipsToBounds = YES;
        
        CGFloat xCount = myView.frame.origin.x; // 相对于父类的左边上边的坐标
        CGFloat yCount = myView.frame.origin.y;
        
        CGFloat widthCount = myView.frame.size.width;
        CGFloat heightCount = myView.frame.size.height;
        
        NSLog(@"x-%f,y-%f,width-%f,height-%f",xCount,yCount,widthCount,heightCount);
        
        // 获取中心店
        CGPoint point = myView.center;
        NSLog(@"x-%f,y-%f",point.x,point.y);
        // 获取边框大小
        CGRect  rect = myView.bounds; // x  y 永远是 0
        NSLog(@"x-%f,y-%f,width-%f,height-%f",rect.origin.x,rect.origin.y,rect.size.width,rect.size.height);
        // 设置视图标签，这个属于唯一标示
        myView.tag = 1;
        // 设置内容模式
        myView.contentMode = UIViewContentModeLeft; // 这个可以在ImageView中，可以设置图片的放的位置
        
        
        // view 一个容器，这个容器里的数据都可以通过方法来获取到
        UIView  *myView2 = [[UIView alloc] init];
        myView2.frame = CGRectMake(10, 20, 200, 50);
        myView2.backgroundColor = [UIColor purpleColor];
        [myView addSubview:myView2];
        
        UIView  *myView3 = [[UIView alloc] init];
        myView3.frame = CGRectMake(10, 80, 200, 100);
        myView3.backgroundColor = [UIColor orangeColor];
        // 设置通明度，
        myView3.alpha = 0.1;
        [myView addSubview:myView3];
        
        // 得到父类视图
        UIView *superView = [myView2 superview];
        superView.backgroundColor = [UIColor blueColor];
        
        // 获取所有子视图
        NSArray *array = superView.subviews;
        for (UIView *myView in array) {
            myView.backgroundColor = [UIColor brownColor];
        }
        
        // 下标获取
        UIView *firstView = [array objectAtIndex:0];
        firstView.backgroundColor = [UIColor darkGrayColor];
        
        
        
        // 设置自动布局
        myview4 = [[UIView alloc] init];
        myview4.frame = CGRectMake(10, 200, 300, 300);
        myview4.backgroundColor = [UIColor yellowColor];
        // 允许子类对象自动布局
        myview4.autoresizesSubviews = YES;
        
        
        UIView *myview5 = [[UIView alloc] init];
        myview5.frame = CGRectMake(10, 20, 250, 250);
        myview5.backgroundColor = [UIColor orangeColor];
        // 设置子视图布局方式-------宽度的改变会和父类视图一致/高度， 这有多种方式
        myview5.autoresizingMask = UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;
    
        [myview4 addSubview:myview5];
        [view addSubview:myview4];
        
        
        // 层操作 －－－－ 类似于栈区的顺序
        UIView *myView6 = [[UIView alloc] init];
        myView6.frame = CGRectMake(10, 550, 50, 50);
        myView6.backgroundColor = [UIColor purpleColor];
        
        UIView *myView7 = [[UIView alloc] init];
        myView7.frame = CGRectMake(30, 580, 100, 100);
        myView7.backgroundColor = [UIColor redColor];
        
        
        [view addSubview:myView6];
        [view addSubview:myView7];
        [view addSubview:myView];
        
        // 将某一个层放在最下面
    //    [view sendSubviewToBack:myView7];
        // 将某一层放在最上层
    //    [view bringSubviewToFront:myView7];
        
         //插入一个view到指定的层
        UIView *myView8 = [[UIView alloc] init];
        myView8.frame = CGRectMake(50, 580, 150, 150);
        myView8.backgroundColor = [UIColor blueColor];
        // 插入到那一层
    //    [view insertSubview:myView8 atIndex:1];
    //    [view insertSubview:myView8 aboveSubview:myView6];// 上面 还有下面
        [view exchangeSubviewAtIndex:1 withSubviewAtIndex:0]; // 交换层
        
        
        
        // 这里自动就会调用了，不需要放入到主线程中，
    //    [NSTimer scheduledTimerWithTimeInterval:0.5 target:self selector:@selector(viewChange:) userInfo:nil repeats:YES];
        
        
        
        
    
    }
    
    
    - (void)viewChange:(NSTimer *)timer{
    
        myview4.frame = CGRectMake(10, 200, myview4.frame.size.width+5, myview4.frame.size.height+5);
    
    }
    
    
    
    @end