Android - Rooted phone - sending SMS message via command line
You should be able to call the messaging intent with
am start -a android.intent.action.VIEW "sms:numberhere" -e "sms_body" "hello"
Using the intent command as described here:
http://learnandroid.blogspot.com/2008/01/run-android-application-from-command.html
https://stackoverflow.com/questions/4967448/send-sms-in-android
An alternative approach is to install Termux and Termux-api
Then ssh in the phone by following this link
Now you can send SMS and access many other useful options mainly:
- Camera
- Battery Status
- Clipboard
- Contacts
- SMS and Inbox
Full list and syntax can be found here
As it is linux emulator you can use it for many other purposes also.