@interface ViewController ()<UIScrollViewDelegate,UIPopoverPresentationControllerDelegate>{

NSMutableArray *arr;

UIButton *btn;

}

@property (nonatomic, strong) UISegmentedControl *segmentedControl;

@property (nonatomic, strong) UIScrollView *scrollView;

@property (nonatomic, strong) OneViewController *oneVC;

@property (nonatomic, strong) TwoViewController *twoVC;

@property (nonatomic, strong) ThreeViewController *threeVC;

@property (nonatomic, strong) FourViewController *fourVC;

@property (nonatomic, strong) FiveViewController *fiveVC;

@property (nonatomic, strong) SixViewController *sixVC;

@property (nonatomic, strong) UIPopoverPresentationController *pop;

- (void)viewDidLoad 

{

//    创建一个view,放分段控制器

UIView *vv = [[UIView alloc]initWithFrame:CGRectMake(0, 64, self.view.frame.size.width, 30)];

[self.view addSubview:vv];

//    存储分段控制器标题

arr = [NSMutableArray arrayWithObjects:@"1",@"2",@"3",@"4",@"5",@"6",nil];

// 适应scrollView

self.automaticallyAdjustsScrollViewInsets = NO;

//    创建分段控制器

self.segmentedControl = [[UISegmentedControl alloc]initWithItems:arr];

self.segmentedControl.frame = CGRectMake(0, 0, 386, 30);

//    加载到vv上

[vv addSubview:self.segmentedControl];

[self.segmentedControl addTarget:self action:@selector(segmentedControlAction:) forControlEvents:UIControlEventValueChanged];

//    默认第一个视图

self.segmentedControl.selectedSegmentIndex = 0;

// 创建scrollView

self.scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 94, [UIScreen mainScreen].bounds.size.width, [UIScreen mainScreen].bounds.size.height - 64)];

[self.view addSubview:self.scrollView];

// 设置scrollView的内容

self.scrollView.contentSize = CGSizeMake([UIScreen mainScreen].bounds.size.width * 6, [UIScreen mainScreen].bounds.size.height - 64);

self.scrollView.pagingEnabled = YES;

self.scrollView.bounces = YES;

// 创建控制器

self.oneVC = [OneViewController new];

self.twoVC = [TwoViewController new];

self.threeVC = [ThreeViewController new];

self.fourVC = [FourViewController new];

self.fiveVC = [FiveViewController new];

self.sixVC = [SixViewController new];

// 添加为self的子控制器

[self addChildViewController:self.oneVC];

[self addChildViewController:self.twoVC];

[self addChildViewController:self.threeVC];

[self addChildViewController:self.fourVC];

[self addChildViewController:self.fiveVC];

[self addChildViewController:self.sixVC];

//    每个视图

self.oneVC.view.frame = CGRectMake(0, 0, self.scrollView.frame.size.width, CGRectGetHeight(self.scrollView.frame));

self.twoVC.view.frame = CGRectMake([UIScreen mainScreen].bounds.size.width, 0, self.scrollView.frame.size.width, CGRectGetHeight(self.scrollView.frame));

self.threeVC.view.frame = CGRectMake([UIScreen mainScreen].bounds.size.width*2, 0, self.scrollView.frame.size.width, CGRectGetHeight(self.scrollView.frame));

self.fourVC.view.frame = CGRectMake([UIScreen mainScreen].bounds.size.width*3, 0, self.scrollView.frame.size.width, CGRectGetHeight(self.scrollView.frame));

self.fiveVC.view.frame = CGRectMake([UIScreen mainScreen].bounds.size.width*4, 0, self.scrollView.frame.size.width, CGRectGetHeight(self.scrollView.frame));

self.sixVC.view.frame = CGRectMake([UIScreen mainScreen].bounds.size.width*5, 0, self.scrollView.frame.size.width, CGRectGetHeight(self.scrollView.frame));

//加载到滚动视图上

[self.scrollView addSubview:self.oneVC.view];

[self.scrollView addSubview:self.twoVC.view];

[self.scrollView addSubview:self.fourVC.view];

[self.scrollView addSubview:self.fiveVC.view];

[self.scrollView addSubview:self.threeVC.view];

[self.scrollView addSubview:self.sixVC.view];

self.scrollView.delegate = self;

//    按钮

btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];

//按钮位置

btn.frame = CGRectMake(385, 0, 30, 30);

//    按钮背景颜色

btn.backgroundColor = [UIColor whiteColor];

[btn setTitle:@"+" forState:0];

btn.layer.borderWidth = 1;

btn.layer.borderColor = [UIColor blueColor].CGColor;

//    按钮点击事件

[btn addTarget:self action:@selector(btnclick) forControlEvents:UIControlEventTouchUpInside];

//    加载

[vv addSubview:btn];

}

//分段控制器方法

- (void)segmentedControlAction:(UISegmentedControl *)sender

{

[self.scrollView setContentOffset:CGPointMake(sender.selectedSegmentIndex * self.scrollView.frame.size.width, 0) animated:YES];

}

//滚动视图代理方法

- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView

{

NSInteger n = scrollView.contentOffset.x / scrollView.frame.size.width;

self.segmentedControl.selectedSegmentIndex = n;

}

//实现按钮方法

-(void)btnclick{

//初始化内容视图控制器

PopViewController *popview = [[PopViewController alloc]init];

//设置大小

popview.preferredContentSize = CGSizeMake(150, 140);

// 设置弹出效果

popview.modalPresentationStyle = UIModalPresentationPopover;

//初始化一个popover

self.pop = popview.popoverPresentationController;

self.pop.delegate = self;

//设置弹出视图的颜色

self.pop.backgroundColor = [UIColor whiteColor];

//设置popover的来源按钮（以button谁为参照）

self.pop.sourceView = btn;

//设置弹出视图的位置（以button谁为参照）

self.pop.sourceRect = btn.bounds;

//箭头的方向 设置成UIPopoverArrowDirectionAny 会自动转换方向

self.pop.permittedArrowDirections = UIPopoverArrowDirectionUp;

//模态出弹框

[self presentViewController:popview animated:YES completion:nil];

}

- (UIModalPresentationStyle)adaptivePresentationStyleForPresentationController:(UIPresentationController *)controller{

return UIModalPresentationNone;

}

//点击蒙版是否消失，默认为yes；

-(BOOL)popoverPresentationControllerShouldDismissPopover:(UIPopoverPresentationController *)popoverPresentationController{

return YES;

}

//弹框消失时调用的方法

-(void)popoverPresentationControllerDidDismissPopover:(UIPopoverPresentationController *)popoverPresentationController{

NSLog(@"弹框已经消失");

}

小视图popviewcontroll

@interface PopViewController ()<UITableViewDelegate,UITableViewDataSource>{

//数组

UITableView *table;

//    表格元素

NSArray *imgarr,*name;

}

-(void)viewdidload

table = [[UITableView alloc]initWithFrame:self.view.frame style:UITableViewStylePlain];

//    代理

table.delegate = self;

table.dataSource = self;

//    加载

[self.view addSubview:table];

//    数组内容

imgarr = @[@"1",@"2",@"3"];

name = @[@"确认添加",@"删除添加",@"关闭"];

//分区行数

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{

return imgarr.count;

}

//内容

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{

UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@""];

if (!cell) {

cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:@""];

}

cell.imageView.image = [UIImage imageNamed:imgarr[indexPath.row]];

cell.textLabel.text = name[indexPath.row];

return cell;

}

//点击行相应事件

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{

//    判断第几行

if (indexPath.row == 0) {

//        提示框

UIAlertController*alertController = [UIAlertController alertControllerWithTitle:@"确认添加"message:@"操作以完成" preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction *action = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:nil];

[alertController addAction:action];

[self presentViewController:alertController animated:YES completion:nil];

}

//如果等于第二行

else if (indexPath.row == 1){

//        提示框

UIAlertController*alertController = [UIAlertController alertControllerWithTitle:@"删除添加"message:@"操作以完成" preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction *action = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:nil];

[alertController addAction:action];

[self presentViewController:alertController animated:YES completion:nil];

}

else if (indexPath.row == 2){

//        提示框

UIAlertController*alertController = [UIAlertController alertControllerWithTitle:@"关闭"message:@"操作以完成" preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction *action = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:nil];

[alertController addAction:action];

[self presentViewController:alertController animated:YES completion:nil];

}

}