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How to sort object with property in NSArray.

Norman Reedus 2011 12-Feb-2015
How to sort object with property in NSArray.
iphone iphone  ios 
Updated on 12-Feb-2015
Norman Reedus

Norman Reedus

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1 Answers

Elena Glibart

Elena Glibart

12-Feb-2015 
@interface Person : NSObject
@property (nonatomic, retain) NSString *Name;
@property (nonatomic, retain) NSString *City;
@property (nonatomic, retain) NSString *Country;
@end 
 
 
Person *p1=[Person alloc]init];
p1.Name=@“Anil”;
p1.City=@“Uttarpradesh”;
p1.Country=@“India”;
 
Person *p2=[Person alloc]init];
p2.Name=@“Rakesh”;
p2.City=@“Uttarpradesh”;
p2.Country=@“India”;
 
Person *p3=[Person alloc]init];
p3.Name=@“Mayank”;
p3.City=@“Uttarpradesh”;
p3.Country=@“India”;
 
 NSArray*UnSortedArray=[NSArray arrayWithObjects:p1,p2,p3, nil];
 
   NSArray *sortedArray=nil;
   Bool  isUseCaseInsensitiveCompare=false;
    @try
    {
    NSSortDescriptor*valueDescriptor = nil;
    if(isUseCaseInsensitiveCompare)
    {
 valueDescriptor=[[NSSortDescriptor alloc] initWithKey:@”Name” ascending:YES selector:@selector(caseInsensitiveCompare:)];
    }
    else{
       valueDescriptor=[[NSSortDescriptor alloc] initWithKey:@”Name” ascending:YES];  
    }
    NSMutableArray * descriptors= [NSMutableArray arrayWithObject:valueDescriptor];
    sortedArray =[UnSortedArray sortedArrayUsingDescriptors:descriptors ];
    }
    @catch (NSException*ex) {
        NSLog(@"%@",ex.reason);
    }

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