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PONot sure of the value being retrieved from NSDictionary
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  1. PONot sure of the value being retrieved from NSDictionary
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    copied!<p>I want to retrive a value from a NSDictionary.</p> <p>Here is a snippet of code:</p> <pre><code>NSDictionary *metadataDict = [representation metadata]; NSLog(@"%@",metadataDict); </code></pre> <p>"DateTimeOriginal" is the value I want to retrieve from the following output.</p> <pre><code>{ ColorModel = RGB; DPIHeight = 72; DPIWidth = 72; Depth = 8; Orientation = 6; PixelHeight = 1936; PixelWidth = 2592; "{Exif}" = { ApertureValue = "2.970854"; ColorSpace = 1; ComponentsConfiguration = ( 1, 2, 3, 0 ); DateTimeDigitized = "2011:09:28 09:35:36"; DateTimeOriginal = "2011:09:28 09:35:36"; ExifVersion = ( 2, 2, 1 ); ExposureMode = 0; ExposureProgram = 2; ExposureTime = "0.06666667"; FNumber = "2.8"; Flash = 24; FlashPixVersion = ( 1, 0 ); FocalLength = "3.85"; ISOSpeedRatings = ( 320 ); MeteringMode = 5; PixelXDimension = 2592; PixelYDimension = 1936; SceneCaptureType = 0; SensingMethod = 2; Sharpness = 2; ShutterSpeedValue = "3.9112"; SubjectArea = ( 1295, 967, 699, 696 ); WhiteBalance = 0; }; "{GPS}" = { Latitude = "37.54216666666667"; LatitudeRef = N; Longitude = "126.95"; LongitudeRef = E; TimeStamp = "01:19:05.00"; }; "{TIFF}" = { DateTime = "2011:09:28 09:35:36"; Make = Apple; Model = "iPhone 4"; Orientation = 6; ResolutionUnit = 2; Software = "4.3.5"; XResolution = 72; YResolution = 72; "_YCbCrPositioning" = 1; }; </code></pre> <p>}</p> <p>I know it's long but I tried these three and it still would not work.</p> <p>NSLog(@"valueForKey %@", [metadataDict valueForKey:@"DateTimeOriginal"]); NSLog(@"valueForKeyPath %@", [metadataDict valueForKeyPath:@"DateTimeOriginal"]); NSLog(@"objectForKey %@", [metadataDict objectForKey:@"DateTimeOriginal"]);</p> <p>Does anyone know what kind of datatype is in the NSDictionary and how I can retrieve it?</p> <p>Thanks much.</p> <p>Above project link: <a href="http://dl.dropbox.com/u/12439052/TheK2.zip" rel="nofollow">http://dl.dropbox.com/u/12439052/TheK2.zip</a></p>
 

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