iOS: how to filter array from another array based on parameter value

Question

I have an NSArray (DataArray) whose response is as follows:

  {
"id": "17",
"item_name": "Chivito",
"item_price": "88.00",
"item_status": "Y",
"is_admin": "0",
"item_quantity": "120",
"status": 0
},
  {
"id": "14",
"item_name": "Doughnut",
"item_price": "50.00",
"item_status": "Y",
"is_admin": "0",
"item_quantity": "100",
"status": 1
},
  {
"id": "37",
"item_name": "Drink test ",
"item_price": "80.00",
"item_status": "Y",
"is_admin": "0",
"item_quantity": "12",
"status": 1
},

I have to create another filtered array of only those object whose status value is "1" Please help me how to do it

Does this help: https://stackoverflow.com/questions/25955162/how-to-filter-nsarray-in-swift ? — thwiegan, Jun 26 '17 at 09:41
Read the docs... Read the other SO questions... https://stackoverflow.com/questions/110332/filtering-nsarray-into-a-new-nsarray-in-objective-c — Fogmeister, Jun 26 '17 at 09:56

score 1 · Answer 1 · answered Jun 26 '17 at 09:42

1

try this out

array.filter{(object) -> Bool in 
  if let object = object as NSDictionary {
    if let status = object["status"] as? Int {
      return status == 1
    }
  }
  return false
}

answered Jun 26 '17 at 09:42

Hady Nourallah

442
4
12

Check my ans in Objective-C. – luckyShubhra Jun 26 '17 at 10:12

score 0 · Accepted Answer · edited Oct 23 '20 at 04:54

0

Referring to @Hady ans, In Objective-C you can do it as. Forgive if there are any formatting/syntax issues. I am away from my system.

NSMutableArry *filteredArray = [NSMutableArray alloc]init];

for (i=0;i<dataArray.count;i++)
{
   if([dataArray[i][@"status"] isEqualToNumber:[NSNumber numberWithInt: 1]])      //if(dataArray[i]["status"] == 1)
    {
      [filteredArray addObject:dataArray[i]];
     }
 }

Hope it helps.. Happy Coding!!

edited Oct 23 '20 at 04:54

Renascent

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17

answered Jun 26 '17 at 10:09

luckyShubhra

2,731
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Just because that is how it is done in Swift does not mean that it is done that way in Objective-C. – Fogmeister Jun 26 '17 at 10:17
Code above will give required results. I didnt just translated it. I really dont think it deserves a downvote!!! – luckyShubhra Jun 26 '17 at 10:41
thanks it works i replace if(dataArray[i]["status"] == 1) with if([DataArray[i][@"status"] isEqualToNumber:[NSNumber numberWithInt: 1]]) – Abhi Jun 26 '17 at 11:19
You are welcome. You can accept my ans if it helped you. Actually I were unaware of data format. Thanks for edit. – luckyShubhra Jun 26 '17 at 11:30
@luckyShubhra it might work. Just like the other 2 answers work. Except this answer has 8 lines of code as opposed to 2. But other than that. There are hundreds of other SO questions asking the exact same thing. So this question shouldn't exist at all. – Fogmeister Jun 26 '17 at 11:35

score 0 · Answer 3 · edited Jun 20 '20 at 09:12

0

Try predicate its easy and less looping .

NSPredicate *sizePredicate = [NSPredicate predicateWithFormat:@"status == %@",[NSNumber numberWithBool: YES]];

NSMutableArray * filteredSizeArray = [self.arrayFilter filteredArrayUsingPredicate:sizePredicate].copy;

edited Jun 20 '20 at 09:12

Community

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1

answered Jun 26 '17 at 13:07

Vaibhav Gaikwad

396
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Lal Krishna · Answer 4 · 2017-06-29T08:31:22.333

-1

Try:

OBJECTIVE-C:

NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF.status == %d",1];
    NSArray *filtered = [DataArray filteredArrayUsingPredicate:predicate];
    NSLog(@"RESULT: %@", filtered);

edited Jun 29 '17 at 08:31

answered Jun 26 '17 at 09:48

Lal Krishna

15,485
6
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@downVoters Why so much downVotes? Using `predicate` will also work in this case. – Amal T S Jun 29 '17 at 08:32

score -1 · Answer 5 · answered Jun 26 '17 at 09:51

-1

You can try this:

NSPredicate *prediate = [NSPredicate predicateWithFormat:@"status == %d",1];
arrResult = [myArray filteredArrayUsingPredicate:prediate];

answered Jun 26 '17 at 09:51

Son Pham

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iOS: how to filter array from another array based on parameter value

5 Answers5