how to create a variable clickable image in android [duplicate]

This question already has an answer here:

• Clickable image - android 5 answers

I am developing a game which user have to click on the image to get the score, the images appear in a different position not the same, every time an image appears by random number generated, my question is how to set the position of image is variable 'every time new image appear in a new place in the activity' and how to set the "src" of imageButton not constant?