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.

@return True if navigation should appear at the bottom of the screen, False otherwise.
app/src/main/java/com/zhao/myreader/util/SystemBarTintManager.java