Match App - Cards Changing Position

App Development
1

I am following YouTube free tutorials. My app is not crashing but cards just get displaced. When I select the first card of first row and last card of last row, the card changes positions. Every card comes back to its place after I scroll up and down.

The view after second card show up

second card
second card1754×996 238 KB

Here is the GitHub link of my project Github Link

2

I’m still very new to this and haven’t completed the Match App tutorial, so I may not be on the right track. However, a couple of questions come to mind:

  1. Do you have an even number of cards?
  2. Is the size of your view an even multiple of the size of your cells?