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home / developersection / interviews / how to filter array using predicate on a custom property of object in objective- c ios?
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Sunil Singh
Sunil Singh

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1 Answers

Sunil Singh
Sunil Singh 10 Jan 2017
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Following is function that is used to filter NSArray with key and value as parameter-

-(NSArray*)filterArrayUsingCustomProperty:(NSArray*)arrayList
keyPath:(NSString*)key value:(NSString*)
value{
NSPredicate
*predicate=[NSPredicate
predicateWithFormat:@"%K
CONTAINS [c] %@",key,value];
return
[arrayList filteredArrayUsingPredicate:predicate];
}


for more details of NSPredicate visit

https://developer.apple.com/library/content/documentation/Cocoa/Conceptual/Predicates/Articles/pSyntax.html


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