Question

I have a problem with counting numbers of object in nsmutablearray. I have this code:

  - (UITableViewCellAccessoryType)tableView:(UITableView *)tableView  accessoryTypeForRowWithIndexPath:(NSIndexPath *)indexPath 
 {    

NSUInteger numObjects = [selected count];// selected is nsmutablearray

for ( int i = 0; i<numObjects; i++) 
{
    NSLog(@"%@ == %@ , nr.object =%@",[AnotherArray objectAtIndex:indexPath.row], [selektuara objectAtIndex:i], numObjects); // here stops the by reporting this: Program recived signal: "EXC_BAD_ACCESS"


    if ([selected objectAtIndex:i] == [AnotherArray objectAtIndex:indexPath.row]) 
    {
        NSLog(@"%@",[selected objectAtIndex:i]);
        return UITableViewCellAccessoryCheckmark;
    }
    else
    {
        return UITableViewCellAccessoryNone;
    }
  }
 }

When i remove NSLog for numbers of object, it counts only one object and compare only that.
So has anyone else another solution how to get this number?
Thanks.

Answer 1

Error in using NSLog:

NSLog(@"%@ == %@ , nr.object =%d",[AnotherArray objectAtIndex:indexPath.row], [selektuara objectAtIndex:i], numObjects);

As numObjects is NSUInteger you should use %d to print its value.

Error in comparing:

if ([[selected objectAtIndex:i] compare:[AnotherArray objectAtIndex:indexPath.row]] == NSOrderedSame)

You shouldn’t use == for comparing objects in Objective-C