How to have activity in Android with a close button at the top corner?

Question

I would like to have an activity which would consist of a close button i.e \'x\' at the right top corner closing the activity. Any examples on this will be very much helpful

Answer 1

make an Activity with Transparent theme in manifest like this:

and then define layout like this:

and define a background for your close Button in drawable like this:

round_button_background.xml