How to sort numbers in NSArray?

objective-c ios cocoa-touch plist
Josh Kahane picture Josh Kahane · Jun 24, 2012 · Viewed 25.6k times · Source

I can't piece together how to do this.

I fetch my array from a plist, this array is full of numbers (as set in the plist). Now al I need to do is sort them so they are descending, but I can't work it out.

Answer

Alexsander Akers picture Alexsander Akers · Jun 24, 2012

Try this code?

 NSArray *array = /* loaded from file */;
 array = [array sortedArrayUsingSelector: @selector(compare:)];

Related questions

How to read data structure from .plist file into NSArray

I was creating a data structure manually using the following: NSDictionary* league1 = [[NSDictionary alloc] initWithObjectsAndKeys: @"Barclays Premier League", @"name", @"Premier League", @"shortname", @"101", @"id", nil]; NSDictionary* league2 = [[NSDictionary alloc] initWithObjectsAndKeys: @"Coca-Cola Championship", @"name", @"Championship", @"shortname", @"102", @"id", nil]; NSDictionary* league3 = [[NSDictionary alloc] …

Read More
How to create PLIST files programmatically in iphone

I was looking to create plist file in my application Documents folder programmatically in objective C. I created a folder in documents directory : NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectoryPath = [paths objectAtIndex:0]; NSString *path = [NSString stringWithFormat:@"%@/Data.plist", documentsDirectoryPath]; …

Read More
How do I sort an NSMutableArray with custom objects in it?

What I want to do seems pretty simple, but I can't find any answers on the web. I have an NSMutableArray of objects, and let's say they are 'Person' objects. I want to sort the NSMutableArray by Person.birthDate which …

Read More