Appium 滑动定位元素

from appium import webdriver
from selenium.common.exceptions import NoSuchElementException
caps = {
  "platformVersion": "5.1.1",
  "deviceName": "127.0.0.1:62028",
  "appPackage": "com.android.settings",
  "appActivity": ".Settings",
  "platformName": "android"
}

driver = webdriver.Remote("http://localhost:4723/wd/hub", caps)
size = driver.get_window_size()
width = size['width']
height = size['height']
x1 = x2 = width*0.5
y1, y2 = height*0.9, height*0.7


def try_find( driver, by, value):
  try:
    return driver.find_element(by,value)
  except NoSuchElementException:
    print("未找到元素")


for i in range (10):
  elm = try_find(driver, 'xpath', '//*[@text="关于平板电脑"]')
  if elm is not None:
    print("找到元素")
    elm.click()
    break
  driver.swipe(x1,y1,x2,y2)

driver.quit()