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

You should be keeping the cards in an array or List of some kind. Then, you can refer to them by their number. For example:

ArrayList deck = new ArraList();

//Fill the ArrayList. Maybe shuffle it.

selectedCard = ArrayList.get(randomNumber);

Card could simply be String or something, instead. I don't know what sort of object you're using for it.