how to sort an NSMutable Array reference to date in iphone

Question

Hello All I need to sort an NSMutable Array that having a class Objects say Item . Item class have date,url,link,title,guid etc .. I am storing this Object Into an NsMutableArray each time. so MyArray will have number Of Item class Objects .. now I need to sort Myarray using date attribute . Can any one tell me the way. Thanks

Wevah · Accepted Answer · 2010-07-24 20:08:37Z

2

NSSortDescriptor *descriptor = [NSSortDescriptor withKey:@"date" ascending:YES]; // or NO, if you want descending

[yourMutableArray sortUsingDescriptors:[NSArray arrayWithObject:descriptor]];

answered Jul 24, 2010 at 20:08

Wevah

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1 Comment

ratnasomu Over a year ago

Thanks alot for a very quick response.. I did the same kind of work like [array sortUsingDescriptor:descriptor]; but its giving an exception ...

apouche · Accepted Answer · 2011-06-15 10:06:00Z

2

If MyArray only holds NSDate* Objects then:

NSArray* mySortedArray = [MyArray sortedArrayUsingSelector:@selector(compare:)]

This will call the following method on your NSDate objects.

- (NSComparisonResult)compare:(NSNumber *)aNumber

answered Jun 15, 2011 at 10:06

apouche

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