ios - Remove duplicate key value from array of NSDictionary? -

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i need compare 2 array values 1 one, if value match 1 another, need update value , replace main array.

nsmutablearray having array of nsdictionary

nsarray having array of nsstring objects.

my code 

nsmutabledictionary *dicone = @{@"eveid":@"1",@"imgarray":@[@"one",@"two"]};     nsmutabledictionary *dictwo = @{@"eveid":@"2",@"imgarray":@[@"three",@"four"]};     nsmutablearray *temparray = [nsmutablearray array];     [temparray addobject:dicone];     [temparray addobject:dictwo];      nsarray *eventarray = [nsarray arraywithobjects:@"1",@"2",@"3",nil];     nsstring *filename = @"five";     (int jj = 0; jj<[eventarray count]; jj++) {         nsstring *toparrayeventid = [nsstring stringwithformat:@"%@",[eventarray objectatindex:jj]];          (int kk = 0; kk<[temparray count]; kk++) {             nsmutabledictionary *curentobj = [[temparray objectatindex:kk]mutablecopy];             nsstring *innerarrayeventid = [nsstring stringwithformat:@"%@",[curentobj valueforkey:@"eveid"]];              if ([innerarrayeventid isequaltostring:toparrayeventid]) {                 nslog(@"update inner array , replace main array");                  nsmutablearray *imgarray = [nsmutablearray array];                 imgarray = [[curentobj objectforkey:@"imgarray"]mutablecopy];                 [imgarray addobject:filename];                 [curentobj setobject:[imgarray mutablecopy] forkey:@"imgarray"];                 [temparray replaceobjectatindex:kk withobject:[curentobj mutablecopy]];             }else{                 nslog(@"add new object main array");                 nsmutabledictionary*  storedata = [nsmutabledictionary dictionary];                 [storedata setobject:toparrayeventid forkey:@"eveid"];                 nsmutablearray *imgarray = [nsmutablearray array];                 [imgarray addobject:filename];                 [storedata setobject:imgarray forkey:@"imgarray"];                 [temparray addobject:storedata];             }          }     }     nslog(@"final updation------->%@",temparray);

i want output below

( {     eveid = 1;     imgarray =     (                     one,                     two,                     5                     ); }, {     eveid = 2;     imgarray =     (                     three,                     four,                     5                     ); } {     eveid = 3;     imgarray =     (                     5                      ); } )

but not getting code..its giving wrong output. having problem inner loop.

wrong output looks below

( {     eveid = 1;     imgarray =     (         one,         two,         5     ); }, {     eveid = 2;     imgarray =     (         three,         four,         5     ); }, {     eveid = 1;     imgarray =     (         five,         5     ); }, {     eveid = 2;     imgarray =     (         five,         5     ); }, {     eveid = 2;     imgarray =     (         five,         5     ); }, {     eveid = 3;     imgarray =     (         five,         5     ); }, {     eveid = 3;     imgarray =     (         five,         5     ); }, {     eveid = 3;     imgarray =     (         five,         5     ); }, {     eveid = 3;     imgarray =     (         five,         5     ); }, {     eveid = 3;     imgarray =     (         five,         5     ); } )

predicate method using achieve this

    nsmutabledictionary *dicone = @{@"eveid":@"1",@"imgarray":@[@"one",@"two"]}; nsmutabledictionary *dictwo = @{@"eveid":@"2",@"imgarray":@[@"three",@"four"]}; nsmutablearray *temparray = [nsmutablearray array]; [temparray addobject:dicone]; [temparray addobject:dictwo];  nsarray *eventarray = [nsarray arraywithobjects:@"1",@"2",@"3",nil]; nsstring *filename = @"five";   (int jj = 0; jj<[eventarray count]; jj++) {      nsarray *resultarray = [temparray filteredarrayusingpredicate:[nspredicate predicatewithformat:@"self.eveid = %@", [eventarray objectatindex:jj]]];     nsstring *toparrayeventid = [nsstring stringwithformat:@"%@",[eventarray objectatindex:jj]];       if([resultarray count]>0) {     nsmutabledictionary *curentobj;     nsstring *innerarrayeventid = [nsstring stringwithformat:@"%@",[[resultarray objectatindex:0] valueforkey:@"eveid"]];     if ([innerarrayeventid isequaltostring:toparrayeventid]) {     curentobj= [[resultarray objectatindex:0]mutablecopy];     nsmutablearray *imgarray = [nsmutablearray array];     imgarray = [[[resultarray objectatindex:0] objectforkey:@"imgarray"]mutablecopy];     [imgarray addobject:filename];     [curentobj setobject:[imgarray mutablecopy] forkey:@"imgarray"];     [temparray replaceobjectatindex:jj withobject:[curentobj mutablecopy]];     }     }     else {         nsmutabledictionary*  storedata = [nsmutabledictionary dictionary];         [storedata setobject:toparrayeventid forkey:@"eveid"];         nsmutablearray *imgarray = [nsmutablearray array];         [imgarray addobject:filename];         [storedata setobject:imgarray forkey:@"imgarray"];         [temparray addobject:storedata];     }  } nslog(@"final updation------->%@",temparray);   output :  final updation------->(         {         eveid = 1;         imgarray =         (             one,             two,             5         );     },         {         eveid = 2;         imgarray =         (             three,             four,             5         );     },         {         eveid = 3;         imgarray =         (             5         );     } )

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