某些 UI 屏幕无法捕获 UI 层次截图
Error while obtaining UI hierarchy XML file: com.android.ddmlib.SyncException: Remote object doesn't exist!
其他活动还好。甚至 uiautomator 转储命令失败
$ adb shell uiautomator dump view.xml
ERROR: could not get idle state.
甚至试图杀死 adb 并重新启动