StackOverflow2013

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17465838
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2013-07-04T08:48:13.363
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2013-07-04T08:48:13.363
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<p>This question is rather old, but I came upon it as I had a similar problem, so for anyone who still needs a solution. I managed to figure out a way of getting the total tracks number and the track number using the following code:</p> <pre><code>NSString *value = @"<0000000a 00140000>" //[item stringValue] (in this case 10/20) NSString *track_no_hex = [[value componentsSeparatedByString:@" "][0] stringByReplacingOccurrencesOfString:@"<" withString:@""]; NSString *total_track_no_hex = [[value componentsSeparatedByString:@" "][1] stringByReplacingOccurrencesOfString:@">" withString:@""]; NSString *track_no = @""; for(int k=0;k<=4;k+=4){ unsigned result = 0; NSScanner *scanner = [NSScanner scannerWithString:[track_no_hex substringWithRange:NSMakeRange(k, 4)]]; [scanner scanHexInt:&result]; if(result == 00){ } else{ track_no = [NSString stringWithFormat:@"%@%u",track_no,result]; } } NSString *total_track_no = @""; for(int k=0;k<=4;k+=4){ unsigned result = 0; NSScanner *scanner; if(k+4<=[total_track_no_hex length]){ scanner = [NSScanner scannerWithString:[total_track_no_hex substringWithRange:NSMakeRange(k, 4)]]; } else{ } [scanner scanHexInt:&result]; if(result == 00){ } else{ total_track_no = [NSString stringWithFormat:@"%@%u",total_track_no,result]; } } NSLog(@"%@/%@",track_no, total_track_no); // Output 10/20 </code></pre> <p>This will work fine for track numbers under 14461 which should be large enough considering iTunes max track number is 999.</p>
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1. This table or related slice is empty.
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1. POAvmetadataitem Getting the trackNumber from an iTunes or ID3 metadata on iOS
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1. PTAnswer
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1. This table or related slice is empty.
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1. USLennart Hase
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