iOS:How to separate particular string element in array?

Question

I got following response from server:

[{"bp":"000/000","dateTime":"05/12/2016 01:02:59 PM","doc":{"email_id":"[email protected]","exception":0,"gender":"Male","id":0,"mobile_no":8055621745,"name":"Batra","profile_id":0,"qualification":"MD(Doctor)","reg_id":157,"salutation":"Mr","wellness_id":"251215782521"},"follow_up":"17","id":37,"medicine":["Syrup,Decold Total,20,0-0-1,Before Meal,1","Injection,Insulin,1,0-0-1,Before Meal,1","no","no","no","no","no","no","no","no"],"patient":{"email_id":"[email protected]","exception":0,"gender":"Male","id":0,"mobile_no":8055621745,"name":"Rohit","profile_id":0,"qualification":"","reg_id":150,"salutation":"Mr","wellness_id":"290119935030"},"weight":"000"}]

From that I have separate the medicine array like following way:

NSMutableArray *Myarray = [NSMutableArray new];
for (int i=0; i<_menuItems.count; i++) {
    [Myarray addObject:[[_menuItems objectAtIndex:i] objectForKey:@"medicine"]];
    NSLog(@"medicine: %@",Myarray);

I got output for this as like:

medicine: (
        (
        "Syrup,Decold Total,20,0-0-1,Before Meal,1",
        "Injection,Insulin,1,0-0-1,Before Meal,1",
        no,
        no,
        no,
        no,
        no,
        no,
        no,
        no
    )
)

Now what i want:

1) remove that all noelement.

2) after that, i want only 2nd element in each string.

in short i want my final output is like:

[Decold Total, Insulin];

But i don't know how to do that..??

Please anyone can solve my issue. help will be appreciable.

Nirav D · Accepted Answer · 2016-12-15 10:34:38Z

1

You need to use NSPredicate on Myarray and filter it.

Make your Myarray like this. NSMutableArray *Myarray = [NSMutableArray new];

for (int i=0; i<_menuItems.count; i++) {
     [Myarray addObjectsFromArray:[[_menuItems objectAtIndex:i] objectForKey:@"medicine"]];
}

1) Remove that all no element.

NSPredicate *predicate = [NSPredicate predicateWithFormat:@"NOT (SELF = %@)",@"no"];
NSArray *filterArray = [Myarray filteredArrayUsingPredicate:predicate];

2) Want only 2nd element in each string

NSMutableArray *medicineArray = [[NSMutableArray alloc] init];
for (NSString* medicine in filterArray) {
     NSArray *arr = [medicine componentsSeparatedByString:@","];
     if (arr.count >= 2)  {
          [medicineArray addObject:[arr objectAtIndex:1]];
     }
}

edited Dec 15, 2016 at 10:34

answered Dec 15, 2016 at 10:18

Nirav D

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5 Comments

TheHungryCub Over a year ago

filter: ( ( "Syrup,Decold Total,20,0-0-1,Before Meal,1", "Injection,Insulin,1,0-0-1,Before Meal,1", no, no, no, no, no, no, no, no ) ) This is outpot..

TheHungryCub Over a year ago

when i do like : if (Myarray.count>0) { NSLog(@"count: %u",Myarray.count);} it print count: 1

TheHungryCub Over a year ago

i just want my final output like [Decold Total, Insulin];.. what should i do for that..

Nirav D Over a year ago

@SurajSukale Check the edited answer and add object in your Myarray like i have done in for loop.

Nirav D Over a year ago

@SurajSukale Welcome mate :)

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