How to prevent the activity from loading twice on pressing the button

Question

I am trying to prevent the activity from loading twice if I press the button twice instantly after the first click.

I have an activity which loads on click of a butt

Answer 1

You can use the intent flags like this.

Intent intent = new Intent(Class.class);    
intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
activity.startActivity(intent);

It will make only one activity be open at the top of the history stack.