Read and update a Dictionary type PSMultiValueSpecifier from NSUserDefault
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Read and update a Dictionary type PSMultiValueSpecifier from NSUserDefault



Does anyone know how to easily read a Dictionary type PSMultiValueSpecifier from NSUserDefault into a UIPickViewer control and save changes back to NSUserDefaults using iPhone SDK 3.0? If so, can you post some specific code to efficiently do this?


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The following code turns the PSMultiValueSpecifier Values and Titles into a nice dictionary which you must use with your UIPickViewer.. My iphone application crashes What is the best way to download image data from ASP.NET to iphone? NSString* settingsBundle = [[[NSBundle mainBundle] pathForResource:@"Settings" ofType:@"bundle"] stringByAppendingPathComponent:@"Root.plist"];. Performance problems on iPhone using simple graphics
NSDictionary* rootPlist = [NSDictionary dictionaryWithContentsOfFile:settingsBundle];  if (rootPlist == nil)     return nil;  NSArray* specifiers = [rootPlist objectForKey:@"PreferenceSpecifiers"];  NSDictionary *multiValueSpecifier = nil;  for (NSDictionary *specifier in specifiers) {     if ([[specifier objectForKey:@"Key"] isEqualToString:speficierKey] == YES &&         [[specifier objectForKey:@"Type"] isEqualToString:@"PSMultiValueSpecifier"] == YES)     {         multiValueSpecifier = specifier;         break;     } }  if (multiValueSpecifier == nil)     return nil;  NSArray* titlesArray = [multiValueSpecifier objectForKey:@"Titles"]; NSArray* valuesArray = [multiValueSpecifier objectForKey:@"Values"];  NSDictionary *dictionary = [NSDictionary dictionaryWithObjects:titlesArray                                                         forKeys:valuesArray];  return dictionary; 
. Converting OpenGL Primitives to OpenGLES To save it you need to save the KEY and not the value of the dictionary.. EXC_BAD_ACCESS error [settings setObject:dictionaryKey forKey:@"mySelection_preference"]; . casting a NSString to char problem


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