iOS Popup broken after converting to ARC - ios

Question

Hey I converted my project to ARC automatically and the only thing I had to fix was that Xcode changed array that had a size of [8] to [4] (still don't know what was going on there)
However, I now realized I got another problem: every time I hit a button in my Popup, the app crashed if it is linked to an IBAction. If I remove the reference to the header and main file, the button is clickable, but as soon as i assign it to a method (even if the method is empty), the whole app jut freezes/crashes.
This is how I initiate my popup:
PopUpViewController *popViewController =
[[PopUpViewController alloc] initWithNibName:#"PopUpViewController" bundle:nil];
[popViewController setTitle:#"This is a popup view"];
[popViewController showInView:self.view
animated:YES];
popViewController.view.center=self.view.center;
Pretty basic stuff, I ripped it off a tutorial I found online. My header is this:
#interface PopUpViewController : UIViewController
- (IBAction)baa:(id)sender;
#property (strong, nonatomic) UIButton *ba; // I was trying to add those buttons as properties here
#property (strong, nonatomic) IBOutlet UIButton *kl; //but no luck whatsoever
#property (strong, nonatomic) IBOutlet UIView *popUpView;
#property (strong, nonatomic) IBOutlet UIView *ppp;
- (IBAction)openSomething:(id)sender;
- (IBAction)openYoutube:(id)sender;
- (IBAction)openFacebook:(id)sender;
- (void)showInView:(UIView *)aView animated:(BOOL)animated;
#end
And my main
#import "PopUpViewController.h"
#interface PopUpViewController ()
#end
#implementation PopUpViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
}
return self;
}
- (void)showAnimate
{
// not important for this question
}
- (void)removeAnimate
{
// shortened
}
- (IBAction)baa:(id)sender{
// NSLog(#"asd"); I commented it out, but even an empty method kills the app
// only if I leave a button unassigned to any method, the app "survives" a button click
}
- (IBAction)openSomething:(id)sender
{
// [[UIApplication sharedApplication] openURL:[NSURL URLWithString:#"http://www.test.de"]];
}
- (IBAction)openYoutube:(id)sender
{
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:#"https://www.youtube.com/"]];
}
- (IBAction)openFacebook:(id)sender
{
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:#"https://www.facebook.com/"]];
}
- (void) doSomething{
// also tried an empty method with a "new" name over here to eliminate any caching errors, no luck
}
- (IBAction)closePopup:(id)sender {
[self removeAnimate];
}
- (void)showInView:(UIView *)aView animated:(BOOL)animated
{
[aView addSubview:self.view];
if (animated) {
[self showAnimate];
}
}
- (void)viewDidLoad
{
self.view.backgroundColor=[[UIColor blackColor] colorWithAlphaComponent:.0];
self.popUpView.layer.cornerRadius = 5;
self.popUpView.layer.shadowOpacity = 1.0;
self.popUpView.layer.shadowOffset = CGSizeMake(0.2f, 0.2f);
[super viewDidLoad];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
#end
Any ideas what I could do different? I referenced everything to everything else possible now and I don't even know how it looked before anymore, but I somehow think it has something to do with the referencing.
Thanks a lot in advance, Alex

Answer 1

I was able to figure out on my own:
In the header of my main ViewController I added
#property (strong, nonatomic) PopUpViewController *popViewController;
Which still fired the crash. But then I adjusted the popup "opening" block to
_popViewController =
[[PopUpViewController alloc] initWithNibName:#"PopUpViewController" bundle:nil];
[_popViewController setTitle:#"This is a popup view"];
[_popViewController showInView:self.view
animated:YES];
_popViewController.view.center=self.view.center;
(added the underscores) and now it's working perfectly again.
Actually I am curious why it worked before but I am not going to investigate this any further.