ios - How to add Load more cell in UICollectionView? -

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i want add load more cell in uicollectionview ? can tell me how can add load button ? have created collectionview works fine want add load more button in bottom of collection view cell this

here's collection view

#pragma mark <uicollectionviewdatasource>  - (nsinteger)numberofsectionsincollectionview:(uicollectionview *)collectionview {       return 3; }  - (nsinteger)collectionview:(uicollectionview *)collectionview numberofitemsinsection:(nsinteger)section {      switch (section) {             case 0: return 66;             case 1: return 123;      }      return 31;  }  - (uicollectionviewcell *)collectionview:(uicollectionview *)collectionview cellforitematindexpath:(nsindexpath *)indexpath {     nsuinteger row = [indexpath row];    nsuinteger count = [self.stockimages count];     if (row == count) {          //add load more cell    }    democellview *cell = [collectionview dequeuereusablecellwithreuseidentifier:[democellview reuseidentifier] forindexpath:indexpath];    // configure cell   cell.titlelabel.text = [nsstring stringwithformat:@"%ld", (long)indexpath.item + 1];   nslog(@"%@", self.stockimages[indexpath.item % self.stockimages.count]);   cell.imageview.image = self.stockimages[indexpath.item % self.stockimages.count];    return cell; }   #pragma mark <demolayoutdelegate>  - (void) collectionview:(uicollectionview *)collectionview didselectitematindexpath:(nsindexpath *)indexpath {       //       // insert new cell after clicking load more data   }   - (cgfloat)collectionview:(uicollectionview *)collectionview layout: (uicollectionviewlayout *)collectionviewlayout heightforheaderinsection:(nsinteger)section {      return kfmheaderfooterheight; }    - (cgfloat)collectionview:(uicollectionview *)collectionview layout:(uicollectionviewlayout *)collectionviewlayout heightforfooterinsection:(nsinteger)section {     return kfmheaderfooterheight;  }

enter image description here

you can add footer 

- (uicollectionreusableview *)collectionview:(jsqmessagescollectionview *)collectionview            viewforsupplementaryelementofkind:(nsstring *)kind                                  atindexpath:(nsindexpath *)indexpath {     if ([kind isequaltostring:uicollectionelementkindsectionfooter]) {          //load footer have registered earlier load more          [super dequeuereusablesupplementaryviewofkind:uicollectionelementkindsectionfooter                                                                              withreuseidentifier:@“load more footer”                                                                                     forindexpath:indexpath];     }      return nil; }

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