ios - UICollectionView design flow layout for attached image -


i attached images have done , have achieve. please guide me achieve this.

i have done till now:

i did

i want achieve following:

want achieve

here code:

- (cgsize)collectionview:(uicollectionview *)collectionview layout:(uicollectionviewlayout *)collectionviewlayout sizeforitematindexpath:(nsindexpath *)indexpath {     cgsize size;      if (indexpath.row == digit_int_2 || indexpath.row == digit_int_6 || indexpath.row == digit_int_7)         size = cgsizemake(150, 68);      else if (indexpath.row == digit_int_3 || indexpath.row == 13)         size = cgsizemake(150, 150);     else         size = cgsizemake(68, 68);     return size; }

i find answer , achieved customise uicollectionviewflowlayout class , inheriting method - (nsarray *) layoutattributesforelementsinrect:(cgrect)rect , play previous item frame , current item frame.

but after new problem came 1 item disappear after scrolling. failed find why happening. after 2 days work have move way achieve this. wai ha lee formatting question.

now disappear problem solved question:- uicollectionview's cell disappearing


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