////  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