readme.md file in TeamCode->java->org.firstinspires.ftc.teamcode
Read this to create your first OpMode
ftc_app_opMode_readme
Class Naming Conventions:
SampleClassConventions.docx
Troubleshooting:
When I tried to build my OpMode using Android Studio, I got the following error message: INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATE] . Android Studio asked me if I wanted it to uninstall and re-install the APK. When I said "YES", then it worked.