android studio 编译项目时提示Failed to delete some children. This might happen because a process has

    android studio 编译项目时提示Failed to delete some children. This might happen because a process has files open or has its working directory set in the target directory.

是使用了 as 自带的 terminal 窗口，并且打开了相应的目录，只需要在 相应的命令行里面 exit ，退出目录即可。