Display a random image when a button is clicked

Question

I tried earlier and just got more confused so i will try and be more precise. I am making an app in which i have a deck of 7 cards. I want to click on the deck and have one of

Answer 1

Your question is kind of ambiguous, but with whatever little I understood, I suggest,if you are sure of having only 7 decks, why dont you hardcode them and assign a value to each of them. So that when you call random function, it will check which number is the result, suppose it is 5, then call setDrawableResource(R.drawable.img5) and so on.