Question

Here’s the basic code (based on Xcode’s Tabbed Applicaion Template)

ViewController.h

@interface ViewController : UIViewController <UITableViewDataSource, UITableViewDelegate>
@property (nonatomic,retain) NSMutableArray *movies;
@property (nonatomic,retain) IBOutlet UITableView *tableView;

ViewController.m

@implementation ViewController
@synthesize movies,tableView;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        self.title = NSLocalizedString(@"Watchlist", @"Watchlist");
        self.tabBarItem.image = [UIImage imageNamed:@"watchlist"];
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
     NSLog(@"tableView = %@", tableView);
}

Output

tableView = (null)

The TableView is connected to File’s owner in IB with class is set to ViewController

I really don’t get why the tableView is null.
I’m not a complete newbie to Cocoa (but to the iPhone SDK), I created a Single View based Application with a TableView dataSource to see if I was missing something. I got it working in under a minute.

Anybody can help out?

Answer 1

In interface builder right click File's Owner and ensure that the following connections are made:

Outlets
tableView - Table View

Referencing Outlets
dateSource - Table View
delegate   - Table View

I suspect you may have not made the first connection?