Android M Light and Dark status bar programmatically - how to make it dark again?

Question

In the Android M we have ability to make status bar icons dark. To do that we can specify attribute in the theme\'s xml:

Answer 1

To change to light status bar use:-

 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) 
     activity?.window?.decorView?.systemUiVisibility = View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR

To change back to dark status bar :-

 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) 
     activity?.window?.decorView?.systemUiVisibility = 0