python获取toast 验证

appium版本 1.6.3

 desired_caps['automationName']='uiautomator2'

 

 def _find_toast(self,message,timeout,poll_frequency,driver):
        message = '//*[contains(@text,\'{}\')]'.format(message)
        element = WebDriverWait(driver,timeout,poll_frequency).until(expected_conditions.presence_of_element_located((By.XPATH,message)))
        print element