Change status bar text color when primaryDark is white

Question

I am trying to reproduce the behaviour of Google Calendar application:

but I have not found a way to change the status text color. If i set the colorPrimaryDark as whit

Answer 1

it's very simple:

getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);//  set status text dark
getWindow().setStatusBarColor(ContextCompat.getColor(BookReaderActivity.this,R.color.white));// set status background white

and vice versa:

getWindow().setStatusBarColor(ContextCompat.getColor(BookReaderActivity.this, R.color.black));
View decorView = getWindow().getDecorView(); //set status background black 
decorView.setSystemUiVisibility(decorView.getSystemUiVisibility() & ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR); //set status text  light