问题
In Android Studio, launch AVD Manager, I choose one of my virtual device and click Play button to start it.
Then I get this error message
"Cannot launch AVD in emulator.
sh: file: command not found
sh: grep: command not found
... "
It's fine all the while and I think I mess up with the PATH variable by running the following command.
echo 'export PATH=/Users/xxx/Library/Android/sdk/tools' >> ~/.bash_profile
echo 'export PATH=/Users/xxx/Library/Android/sdk/platform-tools' >> ~/.bash_profile
After executing these, I couldn't find simple command like ls in Terminal too.
Then I fixed it by running
PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin
After that, ls, grep etc are working fine again.
I check it in the Terminal windows, it is showing the same error before, running the above command fixed it.
However, when I try to launch AVD, it still failed with the error message above. Try to restart, invalidate cahce, nothing help.
回答1:
You are setting your path wrong. In fact you are just replacing it. What you need to do is to add to path. Like this:
echo 'export PATH=$PATH:/Users/xxx/Library/Android/sdk/platform-tools' >> ~/.bash_profile
Be sure to view ~/.bash_profile in editor and remove previous PATH entries.
Note the added $PATH. This way it takes the previous path and appends the new one.
PATH=$PATH:your_path_here
来源：https://stackoverflow.com/questions/32723435/cannot-launch-avd-in-emulator-sh-grep-command-not-found