objective c - Filtering Mutable Array using NSPredicate -
i have mutablearray 6 sub arrays , many subarrays within each subarray
each array contains details of station......(there 146 arrays
altogether)
my goal filter array "name", @ same time want extract remaining details too. i'm trying using predicate method failing.
my searchresults array should having filtered arrays details of station on bases of "name". can me in achieving this? in advance.
-(void)filtercontentforsearchtext:(nsstring *)searchtext{ nspredicate *resultpredicate = [nspredicate predicatewithformat:@"any name contains[cd] %@",searchtext]; _searchresults = [ _stationsarray filteredarrayusingpredicate:resultpredicate]; } - (bool)searchdisplaycontroller:(uisearchdisplaycontroller *)controller shouldreloadtableforsearchstring:(nullable nsstring *)searchstring{ [self filtercontentforsearchtext:searchstring]; return yes; }
can try this!!!
#import <foundation/foundation.h> @interface stationdetail : nsobject @property (nonatomic, strong) nsstring *name; @end - (void)viewdidload { [super viewdidload]; // additional setup after loading view, typically nib. // initialize stationsarray = [[nsmutablearray alloc] init]; nsarray *stationname = [[nsarray alloc] initwithobjects: @"chennai", @"bangalore", @"kochi", @"mumbai", @"delhi", @"hyderbad", @"pune", @"agra", @"jaipur", nil]; int index = 0; (int = 0; < 3; i++) { nsmutablearray *substationsarray = [[nsmutablearray alloc] init]; (int j = 0; j < 3; j++) { stationdetail *station = [[stationdetail alloc] init]; [station setname:[stationname objectatindex:index]]; [substationsarray addobject:station]; index++; } [stationsarray addobject:substationsarray]; } } -(void)filtercontentforsearchtext:(nsstring *)searchtext{ // 1 parameter of object need filtered nspredicate *resultpredicate = [nspredicate predicatewithformat:@"name contains[cd] %@",searchtext]; // name object key name nsarray *searchresults = [ stationsarray filteredarrayusingpredicate:resultpredicate]; nslog(@"%lu",(unsigned long)[searchresults count]); } -(void)searchbarsearchbuttonclicked:(uisearchbar *)searchbar{ [self filtercontentforsearchtext:searchbar.text]; } 