View outlets are nil on viewDidLoad

Question

My files owner has 3 outlets, and all of them are nil on viewDidLoad...

__weak IBOutlet UIView *mainImagePlaceholderView; __weak IBOutlet UILabel *mainImageLabel; __weak IBOutlet UIView *imageFilmstripPlaceholderView;

These are located in my .m file, ...

@implementation iRpImageViewerViewController { ... __weak IBOutlet UIView *mainImagePlaceholderView; __weak IBOutlet UILabel *mainImageLabel; __weak IBOutlet UIView *imageFilmstripPlaceholderView; ... }

My class in question is iRpImageViewerViewController.xib
In IB, the 'files owner custom class' is 'iRpImageViewerViewController.m'
In IB, the nib 'view custom class' is UIView

Everything shows as hooked up properly. I have cleaned my build folder. I have cleared my derived data folder. I even tried to trick the views into loading by referring to them in the init method and setting their backcolor.

-(void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view from its nib. theMainImageGridviewControl = [[IGGridView alloc]initWithFrame:mainImagePlaceholderView.frame style:IGGridViewStyleSingleCellPaging]; // Set additional properties to configure the grid view theMainImageGridviewControl.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth; theMainImageGridviewControl.selectionType = IGGridViewSelectionTypeCell; theMainImageGridviewControl.contentInset = UIEdgeInsetsZero; theMainImageGridviewControl.allowHorizontalBounce = NO; theMainImageGridviewControl.alwaysBounceHorizontal = NO; theMainImageGridviewControl.alwaysBounceVertical = NO; [mainImagePlaceholderView addSubview:theMainImageGridviewControl]; // Setting a breakpoint here reveals that all the outlets are nil [self addAChildViewController:theFilmstripViewController toViewWithTag:imageFilmstripPlaceholderView.tag]; [self constructAndConfigurePrimaryImageMarker]; }

where are defining these outlets? Have you tried @property(nonatomic, weak) IBOutlet UIView *name to define in your .h file ? — Aleksey Potapov
– Aleksey Potapov, Commented Apr 20, 2016 at 22:09
They aren't in my .h file, they are inside my .m file, just beneath the @implementation SomeClass inside the brackets { } — Logicsaurus Rex
– Logicsaurus Rex, Commented Apr 20, 2016 at 22:16

Steve Smith · Accepted Answer · 2016-04-21 20:43:14Z

Not sure exactly how you created the XIB and the view controller, but did you try adding the following to the initializer that you calling for the view controller:

self = [super initWithNibName:@"iRpImageViewerViewController" bundle:nil];

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