Question

I have a simple JSON string that looks like

(
    {
    ID = 1;
    response = Yes;
}
)

And my NSDictionary is not pulling the objectForKey. The jsonArray is displaying correctly. My code:

hostStr = [[hostStr stringByAppendingString:post] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSURL *hostURL = [NSURL URLWithString:hostStr];
NSString *jsonString = [[NSString alloc] initWithContentsOfURL:hostURL];
self.jsonArray = [jsonString JSONValue]; 
[jsonString release];

NSLog(@"%@", jsonArray);

NSDictionary *infoDictionary = [self.jsonArray objectForKey:@"ID"];

NSLog(infoDictionary);

Answer 1

This is probably the case since you have completely invalid JSON (test it out at http://jsonlint.com/). Because you are missing the quotation marks in your JSON the elements won’t match the id ID. All object names/keys need to be in quotation marks.

You’re lucky that your framework interprets your invalid JSON (somehow) correctly so that you actually get an array or a dictionary. Because of this the result of NSLog will be correct.

Rewrite your JSON like this to get it working:

{
    "ID": 1,
    "response": "YES"
}

(Also be sure that jsonArray is a NSDictionary)