Question

I have this problem with a tableview in iOS5 that is giving me errors, note that it works well with the older sdk.
This is the relevant code:
h file
#import

@interface WordListTableViewController : UITableViewController {
  //NSMutableDictionary *words;
  //NSArray *sections;
}
@end

m file
#import “WordListTableViewController.h”
#import “DefinitionViewController.h”

@interface WordListTableViewController()
  @property (nonatomic, strong) NSMutableDictionary *words;
  @property (nonatomic, strong) NSArray *sections;
@end


@implementation WordListTableViewController

@synthesize  words, sections;
- (NSMutableDictionary *) words
{
   if(!words){
          NSURL *wordsURL = [NSURL URLWithString:@"http://localhost/Vocabulous.txt"];
          words = [NSMutableDictionary dictionaryWithContentsOfURL:wordsURL] ;
   }
   return words;
}

- (NSArray *) sections
{
    if(!sections)
    {
       sections = [[self.words allKeys] sortedArrayUsingSelector:@selector(compare:)] ;
    }
    return sections;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath     *)indexPath
{

static NSString *CellIdentifier = @"WordListTableViewCell";

UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
    cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
}
//cell.textLabel.text = cell.textLabel.text = [self wordAtIndexPath:indexPath];
cell.textLabel.text = @"Test";


    return cell;
}

h File for App Delegate
#import

@interface VocabAppDelegate : UIResponder <UIApplicationDelegate>
{

}

@property (strong, nonatomic)  UIWindow *window;
@property (strong, nonatomic) UINavigationController *nav;
@end

m File for App Delegate with relevant code :
#import “VocabAppDelegate.h”
#import “WordListTableViewController.h”

@implementation VocabAppDelegate
@synthesize window;
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:     (NSDictionary *)launchOptions
{
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    // Override point for customization after application launch.
    WordListTableViewController *wltvc = [[WordListTableViewController alloc] init];
    self.nav = [[UINavigationController alloc] initWithRootViewController: wltvc ];

    self.window.rootViewController = self.nav;
    [self.window makeKeyAndVisible];
    return YES;

}

The Error is the following: EXEC_BAD_ACCESS
It’s like it only sets the visible cells and when I start scrolling down looking for the not visible ones, it’s like they can’t be displayed.

Fina UPDATE :
Following the advise from mattyhoe, I’ve replaced the method wordAtIndexPath with a static text, and followed the other two side notes Plus the way I use the delegate and it works !!!

Thanks

Answer 1

Nothing looks out of place there, so it’s likely the work you’re doing inside of wordAtIndexPath. To test this theory, simply replace that line with something like this:

cell.textLabel.text = @"Hello";

As a side note, you do not need to declare ivars. Simply use @propertys.
Also, you likely want to set the accessory type when you’re allocing a new cell and not every time this method is called, so moving it inside the conditional makes sense.