注意
toast要appium1.6.3以上版本才支持，appium1.4的版本就别浪费时间了
Supported Platforms
1.查看appium v1.7版本官方文档
Supported Platforms
Appium supports app automation across a variety of platforms, like iOS, Android, and Windows. Each platform is supported by one or more "drivers", which know how to automate that particular platform. Choose a driver below for specific information about how that driver works and how to set it up:
- iOS
- The XCUITest Driver
- (DEPRECATED) The UIAutomation Driver
- Android
- (BETA) The Espresso Driver
- The UiAutomator2 Driver
- (DEPRECATED) The UiAutomator Driver
- (DEPRECATED) The Selendroid Driver
- The Windows Driver (for Windows Desktop apps)
- The Mac Driver (for Mac Desktop apps)
2.从上面的信息可以看出目前1.7的android版可以支持：Espresso、UiAutomator2、UiAutomator、Selendroid四种驱动模式，后面两个不推荐用了，太老了，Espresso这个是最新支持的处于beta阶段，UiAutomator2是目前最稳的。
3.appium最新版本还能支持windows和mac的桌面app程序了，这个是否稳定，拭目以待！
toast定位
1.先看下toast长什么样，如下图，像这种弹出来的消息"再按一次退出",这种就是toast了。
2.想定位toast元素，这里一定要注意automationName的参数必须是Uiautomator2才能定位到。
'automationName': 'Uiautomator2'
# coding:utf-8
from appium import webdriver
from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.support import expected_conditions as EC from time import sleep desired_caps = { 'platformName': 'Android', 'deviceName': '127.0.0.1:62001', 'platformVersion': '4.4.2', 'appPackage': 'com.baidu.yuedu', 'appActivity': 'com.baidu.yuedu.splash.SplashActivity', 'noReset': 'true', 'automationName': 'Uiautomator2' } driver = webdriver.Remote('http://127.0.0.1:4723/wd/hub', desired_caps) # 等主页面activity出现 driver.wait_activity(".base.ui.MainActivity", 10) driver.back() # 点返回 # 定位toast元素 toast_loc = ("xpath", ".//*[contains(@text,'再按一次退出')]") t = WebDriverWait(driver, 10, 0.1).until(EC.presence_of_element_located(toast_loc)) print t
3.打印出来的结果，出现如下信息，说明定位到toast了
<appium.webdriver.webelement.WebElement (session="02813cce-9aaf-4754-a532-07ef7aebeb88", element="339f72c4-d2e0-4d98-8db0-69be741a3d1b")>
封装toast判断
1.单独写一个函数来封装判断是否存在toast消息，存在返回True,不存在返回False
def is_toast_exist(driver,text,timeout=30,poll_frequency=0.5): '''is toast exist, return True or False :Agrs: - driver - 传driver - text - 页面上看到的文本内容 - timeout - 最大超时时间，默认30s - poll_frequency - 间隔查询时间，默认0.5s查询一次 :Usage: is_toast_exist(driver, "看到的内容") ''' try: toast_loc = ("xpath", ".//*[contains(@text,'%s')]"%text) WebDriverWait(driver, timeout, poll_frequency).until(EC.presence_of_element_located(toast_loc)) return True except: return False 参考代码
# coding:utf-8
from appium import webdriver
from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.support import expected_conditions as EC desired_caps = { 'platformName': 'Android', 'deviceName': '127.0.0.1:62001', 'platformVersion': '4.4.2', 'appPackage': 'com.baidu.yuedu', 'appActivity': 'com.baidu.yuedu.splash.SplashActivity', 'noReset': 'true', 'automationName': 'Uiautomator2' } def is_toast_exist(driver,text,timeout=30,poll_frequency=0.5): '''is toast exist, return True or False :Agrs: - driver - 传driver - text - 页面上看到的文本内容 - timeout - 最大超时时间，默认30s - poll_frequency - 间隔查询时间，默认0.5s查询一次 :Usage: is_toast_exist(driver, "看到的内容") ''' try: toast_loc = ("xpath", ".//*[contains(@text,'%s')]"%text) WebDriverWait(driver, timeout, poll_frequency).until(EC.presence_of_element_located(toast_loc)) return True except: return False if __name__ == "__main__": driver = webdriver.Remote('http://127.0.0.1:4723/wd/hub', desired_caps) # 等主页面activity出现 driver.wait_activity(".base.ui.MainActivity", 10) driver.back() # 点返回 # 判断是否存在toast-'再按一次退出' print is_toast_exist(driver, "再按一次退出")