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Appium - 标签 - cywhat's blog

App跟web定位元素页面相互切换
Error taking device screenshot: null
cywhat · 2018-10-12 · via Appium - 标签 - cywhat's blog

前景

使用uiautomatorviewer 查看Android某些页面元素,出现如图错误:

1
Error obtaining UI hierarchy Reason: Error taking device screenshot: null

https://img-blog.csdnimg.cn/img_convert/fc8af8463b3e6822ccdd940774759365.png

在网上找了很多解决办法依然没解决

总结了以下原因:

1、该app不支持该页面的截屏功能所以uiautomatorviewer捕捉不到

2、手机需要重启

3、非原装数据线

4、appium服务异常需要重新连接

5、可以尝试切换USB接口

6、最后可以把手机开发者选项的USB调试撤销权限,在重新获取

  以上为个人观点,不代表百分百解决,仅供参考!

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