leoiphonedev

    UIImage *instaImage = [UIImage imageNamed:@"imagetoShare.png"];

    NSString* imagePath = [NSString stringWithFormat:@"%@/image.igo",[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,
		NSUserDomainMask, YES) lastObject]];

    [[NSFileManager defaultManager] removeItemAtPath:imagePath error:nil];

    [UIImagePNGRepresentation(instaImage) writeToFile:imagePath atomically:YES];

leoiphonedev

@property(nonatomic,strong) UIDocumentInteractionController *_docController;

leoiphonedev

UIImage *instaImage = [UIImage imageNamed:@"imageToShare.png"];
NSString* imagePath = [NSString stringWithFormat:@"%@/image.png",[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject]];
[[NSFileManager defaultManager] removeItemAtPath:imagePath error:nil];
[UIImagePNGRepresentation(instaImage) writeToFile:imagePath atomically:YES];
self._docController = [UIDocumentInteractionController interactionControllerWithURL:[NSURL fileURLWithPath:imagePath]];
[self._docController presentOptionsMenuFromRect:self.view.frame inView:self.view animated:YES];

leoiphonedev

@IBAction func changePage(){

}

leoiphonedev

class ViewController: UIViewController {

    @IBOutlet var pageControl: UIPageControl?
    @IBOutlet var scrollView: UIScrollView?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

leoiphonedev

@IBAction func changePage(){
         scrollView!.scrollRectToVisible(CGRectMake( scrollWidth * CGFloat ((pageControl?.currentPage)!), 0, scrollWidth, scrollHeight), animated: true)
    }

leoiphonedev

func scrollViewDidEndDecelerating(scrollView: UIScrollView) {
       setIndiactorForCurrentPage()
    }
    
    func setIndiactorForCurrentPage()  {
       let page = (scrollView?.contentOffset.x)!/scrollWidth
        pageControl?.currentPage = Int(page)

    }

leoiphonedev

@interface ViewController : UIViewController {
    IBOutlet UIPageControl *pageControl;
    IBOutlet UIScrollView *scrollView;
}
-(IBAction)changePage:(id)sender;

@end

leoiphonedev

#define SCROLLWIDTH 279
- (void)viewDidLoad {
    scrollView.contentSize=CGSizeMake(SCROLLWIDTH*3, 
     scrollView.frame.size.height);
    scrollView.delegate = self;
    for (int i =0; i<=3; i++) {
        UIImageView *imageView = [[UIImageView alloc]initWithFrame:
CGRectMake(SCROLLWIDTH*i, 0, scrollView.frame.size.width,
 scrollView.frame.size.height)];
        if (i==0)  {

leoiphonedev

#pragma mark changePage
-(IBAction)changePage:(id)sender
{
    [scrollView scrollRectToVisible:CGRectMake(SCROLLWIDTH*pageControl.currentPage, scrollView.frame.origin.y, SCROLLWIDTH, scrollView.frame.size.height) animated:YES];
}