SFSafariViewController Objective-C example

AViewController.h

#import <UIKit/UIKit.h>
@import SafariServices;

@interface AViewController : UIViewController
//
// ...
//
@end

AViewController.m

#import "AViewController.h"

@interface AViewController () <SFSafariViewControllerDelegate>
@end

@implementation AViewController
//
// ...
//
- (void)displaySafari {
    SFSafariViewController *safariVC = [[SFSafariViewController alloc]initWithURL:[NSURL URLWithString:@"http://developer.apple.com"] entersReaderIfAvailable:NO];
    safariVC.delegate = self;
    [self presentViewController:safariVC animated:NO completion:nil];
}

#pragma mark - SFSafariViewController delegate methods
-(void)safariViewController:(SFSafariViewController *)controller didCompleteInitialLoad:(BOOL)didLoadSuccessfully {
  // Load finished
}

-(void)safariViewControllerDidFinish:(SFSafariViewController *)controller {
  // Done button pressed
}
//
// ...
//
@end