Medium/UISheetPresentationController/0

UISheetPresentationController_0.m

@interface ViewController : UIViewController <UIViewControllerTransitioningDelegate>

@end

@implementation ViewController

- (instancetype)init 
{
  self = [super init];
  if (self) 
  {
    self.modalPresentationStyle = UIModalPresentationCustom;
    self.transitioningDelegate = self;
  }
  return self;
}

- (UIPresentationController *)presentationControllerForPresentedViewController:(UIViewController *)presented 
                                                      presentingViewController:(nullable UIViewController *)presenting 
                                                          sourceViewController:(UIViewController *)source
{
  id klass = NSClassFromString(@"_UISheetPresentationController");
  id presentationController = [[klass alloc] initWithPresentedViewController:presented 
                                                    presentingViewController:presenting];
  return presentationController;
}

@end