• UIView


    //
    //  ViewController.m
    //  UIviewtest
    //
    //  Created by HO on 16/6/23.
    //  Copyright © 2016年 HO. All rights reserved.
    //
    
    #import "ViewController.h"
    
    @interface ViewController ()
    
    @end
    
    @implementation ViewController
    
    //1.UIView视图的基本使用
    - (void)createUIView1{
        
        CGRect rect1 = CGRectMake(30, 50, 200, 200);
        
        UIView * view1 = [[UIView alloc] initWithFrame:rect1];
        
        [view1 setBackgroundColor:[UIColor brownColor]];
        
        CGRect rect2 = CGRectMake(60, 90, 200, 200);
        
        UIView * view2 = [[UIView alloc] initWithFrame:rect2];
        
        [view2 setBackgroundColor:[UIColor purpleColor]];
        
        [view2 setAlpha:0.5];
        
        [self.view addSubview:view1];
        
        [self.view addSubview:view2];
    }
    
    
    
    //2.UIView视图的层次关系
    - (void)createUIView2{
        
        UIView * view1 = [[UIView alloc] initWithFrame:CGRectMake(20, 80, 280, 280)];
        view1.backgroundColor = [UIColor redColor];
        [self.view addSubview:view1];
        
    
        UIView * view2 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 200, 200)];
        view2.backgroundColor = [UIColor yellowColor];
        [self.view addSubview:view2];
        
        UIView * view3 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
        view3.backgroundColor = [UIColor blueColor];
        [self.view addSubview:view3];
    }
    
    
    
    //3.UIView视图的基本操作
    - (void)createUIView3{
        
        CGRect rect = CGRectMake(30, 50, 200, 200);
        UIView * view = [[UIView alloc] initWithFrame:rect];
        view.backgroundColor = [UIColor yellowColor];
        [self.view addSubview:view];
        
        UIButton * btnAdd = [[UIButton alloc] initWithFrame:CGRectMake(30, 350, 80, 30)];
        [btnAdd setBackgroundColor:[UIColor grayColor]];
        [btnAdd setTitle:@"Add" forState:UIControlStateNormal];
        [btnAdd addTarget:self action:@selector(addview) forControlEvents:UIControlEventTouchUpInside];
        [self.view addSubview:btnAdd];
        
        UIButton * btnBack = [[UIButton alloc] initWithFrame:CGRectMake(120, 350, 80, 30)];
        [btnBack setBackgroundColor:[UIColor grayColor]];
        [btnBack setTitle:@"Switch" forState:UIControlStateNormal];
        [btnBack addTarget:self action:@selector(bringvieToBack) forControlEvents:UIControlEventTouchUpInside];
        [self.view addSubview:btnBack];
        
        
        UIButton * btRemove = [[UIButton alloc] initWithFrame:CGRectMake(210, 350, 80, 30)];
        [btRemove setBackgroundColor:[UIColor grayColor]];
        [btRemove setTitle:@"Remove" forState:UIControlStateNormal];
        [btRemove addTarget:self action:@selector(removeView) forControlEvents:UIControlEventTouchUpInside];
        [self.view addSubview:btRemove];
    }
    
    
    
    
    #pragma mark - 点击事件
    - (void)addview{
        //添加视图
        CGRect rect = CGRectMake(60, 90, 200, 200);
        
        UIView * view = [[UIView alloc] initWithFrame:rect];
        
        [view setBackgroundColor:[UIColor purpleColor]];
        
        [view setTag:1];
        [self.view addSubview:view];
    }
    
    
    - (void)bringvieToBack{
        //把视图移到最底
        UIView * view = [self.view viewWithTag:1];
        
        [self.view sendSubviewToBack:view];
    }
    
    
    - (void)removeView{
        //移除视图
        UIView * view = [self.view viewWithTag:1];
        [view removeFromSuperview];
    }
    
    
    
    
    //4.UIView视图添加边框效果
    - (void)createUIView4{
        
        UIImage * uiimage = [UIImage imageNamed:@"44.JPG"];
        
        UIImageView * uiimageview = [[UIImageView alloc] initWithImage:uiimage];
        
        uiimageview.frame = CGRectMake(60, 80, 206, 284);
        
        uiimageview.layer.borderWidth = 10;
        
        uiimageview.layer.borderColor = [[UIColor purpleColor] CGColor];
        
        [self.view addSubview:uiimageview];
        
    }
    
    
    
    //5.UIView视图添加圆角效果
    - (void)createUIView5{
        
        UIImage * image = [UIImage imageNamed:@"44.jpg"];
        
        UIImageView * imageview = [[UIImageView alloc] initWithImage:image];
        
        CGRect rect = CGRectMake(60, 60, 256, 160);
        
        imageview.frame = rect;
        
        imageview.layer.cornerRadius = 20;
        
        imageview.layer.masksToBounds = YES;
        
        [self.view addSubview:imageview];
        
    }
    
    
    
    //6.UIView视图添加阴影效果
    - (void)createUIView6{
        
        UIImage * image = [UIImage imageNamed:@"44.jpg"];
        
        UIImageView * imageview = [[UIImageView alloc] initWithImage:image];
        
        CGRect rect = CGRectMake(60, 60, 256, 160);
        
        imageview.frame = rect;
        
        //设置图像视图层的阴影颜色
        
        imageview.layer.shadowColor = [[UIColor blackColor] CGColor];
        
        //设置图像层的阴影横向和纵向的偏移值
        
        imageview.layer.shadowOffset = CGSizeMake(5.0f, 5.0f);
        
        //设置图像视图层的阴影透明度
        
        imageview.layer.shadowOpacity = 0.75;
        
        //设置图像视图层的阴影半径大小
        
        imageview.layer.shadowRadius = 10.0f;
        
        [self.view addSubview:imageview];
        
    }
    
    
    //7.UIView视图的渐变填充
    - (void)createUIView7{
        
        CGRect rect = CGRectMake(60, 120, 256, 160);
        
        UIView * view = [[UIView alloc] initWithFrame:rect];
        
        view.backgroundColor = [UIColor whiteColor];
        
        
        //新建一个渐变层
        CAGradientLayer * gradientLayer = [CAGradientLayer layer];
        
        //设置渐变层的位置和尺寸,与视图对象一致
        gradientLayer.frame = view.frame;
        
        //设置渐变的起始颜色为蓝色
        CGColorRef fromColor = [UIColor blueColor].CGColor;
        
        //设置渐变的中间颜色为红色
        CGColorRef midColor = [UIColor redColor].CGColor;
        
        //设置渐变的结束颜色为黄色
        CGColorRef toColor = [UIColor yellowColor].CGColor;
        
        //创建一个数组对象,存储三个颜色变量
        NSArray * colorArray = [NSArray arrayWithObjects:(__bridge id _Nonnull)(fromColor),midColor,toColor, nil];
        
        //设置渐变层的颜色数组属性为三个渐变色构建的数组
        gradientLayer.colors = colorArray;
        
        //将渐变层添加到视图对象的层中
        [view.layer addSublayer:gradientLayer];
        
        [self.view addSubview:view];
        
    }
    
    //8.UIView视图的纹理填充
    
    - (void)createUIView8{
        //新建一个颜色对象,将图片赋予该对象
        UIColor * background = [[UIColor alloc] initWithPatternImage:[UIImage imageNamed:@"wenli.jpg"]];
        self.view.backgroundColor = background;
    }
    
    
    
    
    
    //9.CGAffineTransform仿射变换
    - (void)createUIView9{
        CGRect rect = CGRectMake(50.f, 150.f, 200.f, 50.f);
        UIView * myview = [[UIView alloc] initWithFrame:rect];
        myview.backgroundColor = [UIColor redColor];
        [self.view addSubview:myview];
        
        //创建一个仿射变换变量,仿射变换可以用于平移,旋转,缩放变换路径或者图形上下文
        CGAffineTransform transform = myview.transform;
        transform = CGAffineTransformRotate(transform, 3.14/4);
        myview.transform = transform;
    }
    
    
    
    //10.iOS手势 -- 单击手势
    - (void)createRecognizer1{
        
        CGRect rect = CGRectMake(100, 100, 100, 100);
        UIImageView * imageview = [[UIImageView alloc] initWithFrame:rect];
        
        UIImage * image = [UIImage imageNamed:@"44.JPG"];
        [imageview setImage:image];
        [imageview setUserInteractionEnabled:YES];
        
        [self.view addSubview:imageview];
        UITapGestureRecognizer * guesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(singleTap)];
        [imageview addGestureRecognizer:guesture];
        
    }
    
    
    
    - (void)singleTap{
        
        UIAlertView * alertView = [[UIAlertView alloc] initWithTitle:@"Information" message:@"single Tap" delegate:self cancelButtonTitle:@"ok" otherButtonTitles:nil, nil];
        [alertView show];
        
    }
    
    
    
    //11.iOS手势 -- 长按手势
    
    - (void)createRecognizer2{
        
        CGRect rect = CGRectMake(100, 100, 100, 100);
        
        UIImageView * imageview = [[UIImageView alloc] initWithFrame:rect];
        
        UIImage * image = [UIImage imageNamed:@"44.JPG"];
        [imageview setImage:image];
        [imageview setUserInteractionEnabled:YES];
        [self.view addSubview:imageview];
    
        UILongPressGestureRecognizer * guesture = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)];
        [imageview addGestureRecognizer:guesture];
    }
    
    
    
    - (void)longPress:(UILongPressGestureRecognizer *)guesture{
        
        //判断手势事件的阶段
        if (guesture.state == UIGestureRecognizerStateBegan) {
            
            UIAlertView * alertView = [[UIAlertView alloc] initWithTitle:@"Information" message:@"Long Press" delegate:self cancelButtonTitle:@"ok" otherButtonTitles:nil, nil];
            [alertView show];
        }
    }
    
    
    
    //12.iOS手势 -- 双击手势
    
    - (void)createRecognizer3{
        
        CGRect rect = CGRectMake(100, 100, 100, 100);
        
        UIImageView * imageview = [[UIImageView alloc] initWithFrame:rect];
        
        UIImage * image = [UIImage imageNamed:@"44.JPG"];
        [imageview setImage:image];
        [imageview setUserInteractionEnabled:YES];
        
        [self.view addSubview:imageview];
        
        UITapGestureRecognizer * guesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(doubleTap)];
        [imageview addGestureRecognizer:guesture];
        
        //设置点击次数为2,模拟双击事件
        [guesture setNumberOfTapsRequired:2];
        
        //设置为单次双击事件
        [guesture setNumberOfTouchesRequired:1];
        
        //将手势指定给图形视图
        [imageview addGestureRecognizer:guesture];
    }
    
    
    
    - (void)doubleTap{
        UIAlertView * alertView = [[UIAlertView alloc] initWithTitle:@"Information" message:@"double Tap" delegate:self cancelButtonTitle:@"ok" otherButtonTitles:nil, nil];
        
        [alertView show];
    }
    
    - (void)viewDidLoad {
        [super viewDidLoad];
    //    [self createUIView1];
    //    [self createUIView2];
    //    [self createUIView3];
    //    [self createUIView4];
    //    [self createUIView5];
    //    [self createUIView6];
    //    [self createUIView7];
        [self createUIView8];
        
        
    }
    
    - (void)didReceiveMemoryWarning {
        [super didReceiveMemoryWarning];
        // Dispose of any resources that can be recreated.
    }
    
    @end

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  • 原文地址:https://www.cnblogs.com/HOYF/p/5140882.html
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