'-[__NSDictionaryI length]: unrecognized selector sent to instance' - trying to figure out why

Question

I\'ve a UITableView with custom UILabel for title and one another to subtitle, in order to align the text to right.

My data come from web s

Answer 1

In your tableView:willDisplayCell:forRowAtIndexPath:,

check this line,

cell = [Netroads willDisplayFlatDesignCell:cell];

something wrong with this method, [Netroads willDisplayFlatDesignCell];

You are trying to get a length from a NSDictionary instead of NSArray. If you are loading data from a JSON webservice, probably you are parsing NSDictionary as an NSArray. Fix that method, then it won't crash.

Answer 2

You are setting the cell's text property to a dictionary:

cell.textLabel.text = dict[@"Title"];

From your log of dict:

Title =     {
    };

and:

detailTextLabel.text = dict[@"Text"];

From your log of dict:

Text =     {
    };

It's not clear exactly what values should be used from dict, but it should not be those dictionaries.

Answer 3

According to your log, you're try to access NSDictionary object as NSString. That's why it leads to above error.

Problem should be here..

 NSString *imageUrl = dict[@"imageUrl"];

If it's dictionary, it should be crash in this line..

if (imageUrl.length > 0)

Answer 4

Reason: NSDictionary doesn't have lengh method but NSString has

Change this line

    if (imageUrl.length > 0)
    {

To

    if ([imageUrl isKindOfClass:[NSString class]] && imageUrl.length > 0)
    {