Unexpected error while obtaining UI hierarchy
F：盘下面创建app.png app.uix两个文件
cmd命令依次执行：
C:\Users\dell>adb shell uiautomator dump /sdcard/app.uix
UI hierchary dumped to: /sdcard/app.uix
C:\Users\dell>adb pull /sdcard/app.uix F:/app.uix
/sdcard/app.uix: 1 file pulled. 1.3 MB/s (9644 bytes in 0.007s)
C:\Users\dell>adb shell screencap -p /sdcard/app.png
C:\Users\dell>adb pull /sdcard/app.png F:/app.png
/sdcard/app.png: 1 file pulled. 17.2 MB/s (306944 bytes in 0.017s)
如图：
uiautomatorviewer.bat 工具打开那两个文件，点ok
结果：