Question

I have a custom segue where I am trying to do the reverse of the standard “Cover Vertical” segue transition. I think this should work:

UIView *srcView = ((UIViewController *)self.sourceViewController).view;
UIView *dstView = ((UIViewController *)self.destinationViewController).view;

[dstView setFrame:CGRectMake(0, 0, srcView.window.bounds.size.width, srcView.window.bounds.size.height)];

[srcView.window insertSubview:dstView belowSubview:srcView];

[UIView animateWithDuration:0.3
     animations:^{
         srcView.center = CGPointMake(srcView.center.x - srcView.frame.size.width, srcView.center.y);
     }
     completion:^(BOOL finished){
         [srcView removeFromSuperview];
     }
 ];

The problem is the destination view shows up in portrait orientation even though every other view in the app is landscape orientation. Also, the x and y coordinates are reversed. Why is this happening?

I have set up shouldAutorotateToInterfaceOrientation in every view controller, but that didn’t help. I could rotate the view with CGAffineTransformMakeRotation, but that doesn’t seem like the right thing to do; coordinates would still be reversed, for one thing.

Update:

I tried using CGAffineTransformRotate to rotate the view , but it looks ridiculous. Most of the background shows up black. I don’t think this is the way it’s suppose to work.

Answer 1

Apparently, it was much easier than I thought to do the segue I wanted. Here’s is what worked:

- (void)perform {
    UIViewController *src = (UIViewController *)self.sourceViewController;
    [src dismissViewControllerAnimated:YES completion:^(void){ [src.view removeFromSuperview]; }];
}

Hopefully this helps someone else.