Android, How To Use Animation In Order To Show Blinking?

In my application, I have recording button. I want when user clicks on it each one second i change the background in order to simulate blinking. I created a handler and set it to 1

Solution 1:

Found the answer you need: https://stackoverflow.com/a/4852468/1352556

Basically you want an alpha animation. I believe this will make the entire button flash however, do you only want the red dot flashing?