判断元素是否存在

clf = self.isElementPresent(driver,"xpath","//android.view.View[@resource-id='com.jifen.qukan:id/azx']")
if clf is True:
    print(u"所查找的元素存在")
    Ele = driver.find_element_by_xpath("//android.view.View[@resource-id='com.jifen.qukan:id/azx']")
    TouchAction(driver).tap(Ele).perform().release()
else:
    print(u"所查找的元素不存在")

try:
    if driver.find_element_by_xpath("//android.widget.TextView[@text='多语言']").is_displayed():  # 判断是否有多语言录按钮，如果有result为False否则为Ture
        result = True
except Exception:
    result = False
self.assertEqual(result, True)  # 断言