NSDictionary entry with key from NSArray
NSDictionary entry with key from NSArray
- Subject: NSDictionary entry with key from NSArray
- From: René Korthaus <email@hidden>
- Date: Wed, 23 Feb 2005 12:28:14 +0100
Hey everybody,
I put some numbers in an nsarray, then I walk through that array in a while loop and try to get the objects in an nsdictionary with the keys in this nsarray like this (hope you could follow)...
<code>
NSDictionary * tracksDict = [NSDictionary dictionaryWithDictionary:[musicLibrary objectForKey:@"Tracks"]];
NSMutableArray * tmpArray = [NSMutableArray array];
int ii = 0;
while (ii < [playlistIDsArray count]) {
trackDictionary = [tracksDict objectForKey:[playlistIDsArray objectAtIndex:ii]];
NSLog(@"track: %@\n", [playlistIDsArray objectAtIndex:ii]);
[tmpArray addObject:trackDictionary];
ii++;
}
</code>
However this wont work. The Run Log keeps saying "attempt to insert nil". But when I try nslog as above, it tells me the number.
What am I missing?
Thanks, cordney*
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