public static boolean isValidAllowEmpty(RectF rectF) {
        return rectF.left <= rectF.right && rectF.top <= rectF.bottom;
    }
public static boolean isValidAllowEmpty(RectF rectF) {
        return rectF.left <= rectF.right && rectF.top <= rectF.bottom;
    }
public static boolean isValidAllowEmpty ( RectF rectF ) { return rectF . left <= rectF . right && rectF . top <= rectF . bottom ; }
Check if the rectangle is valid allowing empty ranges

@param rectF rectangle
@return true if valid
@since 1.3.1
Check if the rectangle is valid allowing empty ranges