UISegmentControl,UISwich,UIPageControl

#import "ViewController.h"

@interface ViewController ()
@property (strong,nonatomic) UIView *red;
@property (strong,nonatomic) UIView *blue;
@property (strong,nonatomic) UIView *yellow;
@end

@implementation ViewController


- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    //登录页面
    self.red = [[UIView alloc] initWithFrame:self.view.frame];
    self.red.backgroundColor = [UIColor redColor];
    [self.view addSubview:self.red];
    UILabel *lable = [[UILabel alloc] initWithFrame:CGRectMake(100, 200, 200, 50)];
    lable.text = @"登录页面";
    lable.font = [UIFont systemFontOfSize:40];
    [self.red addSubview:lable];
    
    //注册页面
    self.blue = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 414, 736)];
    self.blue.backgroundColor = [UIColor blueColor];
    [self.view addSubview:self.blue];
    UILabel *lable1 = [[UILabel alloc] initWithFrame:CGRectMake(100, 200, 200, 50)];
    lable1.text = @"注册页面";
    lable1.font = [UIFont systemFontOfSize:40];
    [self.blue addSubview:lable1];
    
    
    //忘记密码页面
    self.yellow = [[UIView alloc] initWithFrame:self.view.frame];
    self.yellow.backgroundColor = [UIColor yellowColor];
    [self.view addSubview:self.yellow];
    UILabel *lable2 = [[UILabel alloc] initWithFrame:CGRectMake(100, 200, 200, 50)];
    lable2.text = @"忘记密码";
    lable2.font = [UIFont systemFontOfSize:40];
    [self.yellow addSubview:lable2];
    
#pragma mark------UISegmentControl----------
    //创建分段控件
    UISegmentedControl *segmented = [[UISegmentedControl alloc] initWithItems:@[@"登录",@"注册",@"忘记密码"]];
    segmented.frame = CGRectMake(0, 60, self.view.frame.size.width, 80);
       //设置默认选中值
    segmented.selectedSegmentIndex = 0;
    
    //为指定的下标分段设置标题
    [segmented setTitle:@"抗日胜利" forSegmentAtIndex:1];
    
    //添加点击事件
    [segmented addTarget:self action:@selector(segmentedAction:) forControlEvents:UIControlEventValueChanged];
    
    segmented.tag = 999;
    
    //添加到视图
    [self.view addSubview:segmented];
    
#pragma mark---------UIPageControl-----------
    //创建滑块
    UIPageControl *pageControl = [[UIPageControl alloc] initWithFrame:CGRectMake(100, self.view.frame.size.height - 100, 300, 40)];
    //设置pageController的页数
    pageControl.numberOfPages = 4;
    //设置当前页(默认为0)
    pageControl.currentPage = 1;
    //设置颜色
    pageControl.backgroundColor = [UIColor blackColor];
    //添加事件
    [pageControl addTarget:self action:@selector(pangeControlAction:) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:pageControl];
    //循环创建4个图片
    for (int i = 0; i < 4; i++) {
        UIImageView *picture = [[UIImageView alloc] initWithFrame:self.view.frame];
        [picture setImage:[UIImage imageNamed:[NSString stringWithFormat:@"%d.jpg",i+1]]];
        picture.tag = 1000 + i;
        [self.view addSubview:picture];
    }
    pageControl.tag  =1111;
    [self.view bringSubviewToFront:pageControl];
    
#pragma mark-------UISwitch
    //创建一个UISwitch  注意：这里的frame只有origin起作用，size使用系统默认大小
    UISwitch *firstSwitch = [[UISwitch alloc] initWithFrame:CGRectMake(100, 170, 0, 0)];
    
    //设置开关开启时候的颜色
    firstSwitch.onTintColor = [UIColor greenColor];
    
    //设置开关风格颜色
    firstSwitch.tintColor = [UIColor orangeColor];
    
    //设置开关按钮颜色
    firstSwitch.thumbTintColor = [UIColor redColor];
    
    //设置开关状态
    
    firstSwitch.on = YES;
    [firstSwitch addTarget:self action:@selector(action2:) forControlEvents:UIControlEventValueChanged];
    
    [self.view addSubview:firstSwitch];
    [self.view bringSubviewToFront:firstSwitch];

    
    
}
//switch事件
-(void)action2:(UISwitch *)first
{
    UIPageControl *page = (UIPageControl *)[self.view viewWithTag:1111];
    if (first.on == NO) {
        page.userInteractionEnabled = NO;
    }else
    {
        page.userInteractionEnabled = YES;
    }
}
//pageControl事件
-(void)pangeControlAction:(UIPageControl *)pageControl
{
    [self.view bringSubviewToFront:[self.view viewWithTag:pageControl.currentPage + 1000]];
    [self.view bringSubviewToFront:pageControl];
    
   // UISegmentedControl *segment = (UISegmentedControl *)[self.view viewWithTag:999];
    //[self.view bringSubviewToFront:segment];
    

   }


//segmengted事件
-(void)segmentedAction:(UISegmentedControl *)segment
{
    switch (segment.selectedSegmentIndex) {
        case 0:
            [self.view insertSubview:self.red belowSubview:segment];
            break;
        case 1:
            [self.view insertSubview:self.blue belowSubview:segment];
            break;
        case 2:
            [self.view insertSubview:self.yellow belowSubview:segment];
            break;
            
        default:
            break;
    }
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end