Using new IMMERSIVE mode in android kitkat

Question

I want to make an activity to go into IMMERSIVE mode and hide top and buttom system bars as soon as it starts.

In developers site of android they say I should use

Answer 1

Answer has already been given but here is How to utilize Immersive mode.

In your activity:

just before setContentview().......

call the method: toggleHideyBar();

Follow documentation documentation from Developer android and copy this method in your Activity.