def swipe(x1, y1, x2, y2, toolkit=None):
    """
    swipe from (x1, y1) to (x2, y2)

    :param x1:
    :param y1:
    :param x2:
    :param y2:
    :param toolkit:
    :return:
    """
    x1, y1, x2, y2 = map(str, (x1, y1, x2, y2))
    return toolkit.adb.run(['shell', 'input', 'swipe', x1, y1, x2, y2])
