public boolean isNavigationAtBottom(){
  return (mSmallestWidthDp >= 600 || mInPortrait);
}

public boolean isNavigationAtBottom ( ) { return ( mSmallestWidthDp >= 600 || mInPortrait ) ; }
should a navigation bar appear at the bottom of the screen in the current device configuration ? a navigation bar may appear on the right side of the screen in certain configurations .
