PageViewController With Custom UIPageControl Full Code...

PageViewController With Custom UIPageControl Full Code...

IN STORYBOARD:

add page control to ViewController and add one pageViewController with storyboard id pageContainer & 5 viewControllers with storyboard id's Page1 Page2 Page3 Page4 Page5...

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController<UIPageViewControllerDelegate, UIPageViewControllerDataSource>

@property (weak, nonatomic) IBOutlet UIPageControl *pageControl;

@end

#import "ViewController.h"

#import "Page3.h"

@interface ViewController () 

@property (nonatomic, strong) UIPageViewController *pageContainer;

@property (nonatomic, strong) NSArray *pages;

@property NSUInteger currentindex;

@property NSUInteger pendingIndex;

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

   

    // Setup the pages

    

    UIViewController *page1 = [self.storyboard instantiateViewControllerWithIdentifier:@"page1"];

    UIViewController *page2 = [self.storyboard instantiateViewControllerWithIdentifier:@"page2"];

    UIViewController *page3 = [self.storyboard instantiateViewControllerWithIdentifier:@"page3"];

    UIViewController *page4 = [self.storyboard instantiateViewControllerWithIdentifier:@"page4"];

    UIViewController *page5 = [self.storyboard instantiateViewControllerWithIdentifier:@"page5"];

    

    _pages = [[NSArray alloc]initWithObjects:page1,page2,page3,page4,page5, nil];

    

    // Create the page container

    

    _pageContainer = [[UIPageViewController alloc]initWithTransitionStyle:UIPageViewControllerTransitionStyleScroll navigationOrientation:UIPageViewControllerNavigationOrientationHorizontal options:nil];

    _pageContainer.delegate = self;

    _pageContainer.dataSource = self;

    

    NSArray *startingViewControllers =[NSArray arrayWithObject:page1];

    [_pageContainer setViewControllers:startingViewControllers direction:UIPageViewControllerNavigationDirectionForward animated:NO completion:nil];

    

    // Add it to the view

    [self.view addSubview:_pageContainer.view];

    

    // Configure our custom pageControl

    [self.view bringSubviewToFront:_pageControl];

    _pageControl.numberOfPages = _pages.count;

    _pageControl.currentPage = 0;

}

#pragma mark - UIPageViewController delegates

- (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerBeforeViewController:(UIViewController *)viewController

{

    

    _currentindex = [_pages  indexOfObject:viewController];

    if (_currentindex == 0) {

        return nil;

    }

    NSUInteger previousIndex = ((_currentindex - 1) % _pages.count);

    return  _pages[previousIndex];

        

}

- (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerAfterViewController:(UIViewController *)viewController

{

    

    _currentindex = [_pages indexOfObject:viewController];

    if (_currentindex == _pages.count-1) {

        return nil;

    }

    NSUInteger nextIndex = ((_currentindex + 1) % _pages.count);

    return _pages[nextIndex];

    

}

- (void)pageViewController:(UIPageViewController *)pageViewController willTransitionToViewControllers:(NSArray<UIViewController *> *)pendingViewControllers NS_AVAILABLE_IOS(6_0); {

    

    _pendingIndex = [_pages indexOfObject:pendingViewControllers.firstObject];

}

- (void)pageViewController:(UIPageViewController *)pageViewController didFinishAnimating:(BOOL)finished previousViewControllers:(NSArray<UIViewController *> *)previousViewControllers transitionCompleted:(BOOL)completed;

{

    if (completed) {

        _currentindex = _pendingIndex;

        if ( _currentindex) {

            _pageControl.currentPage = _currentindex;

        }

    }

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end