Dear All, Code examples from yesterday's lecture are posted in http://www.cs.dartmouth.edu/~sergey/cs65/examples/PurringService/ (a Service for background sound) http://www.cs.dartmouth.edu/~sergey/cs65/examples/MereMapJava/ (a Google Maps demo in Java) http://www.cs.dartmouth.edu/~sergey/cs65/examples/MereMapKt/ (a Google Maps demo in Kotlin) A modified version of the Weather app from "Busy Coder's Guide" is posted as a Zip file, http://www.cs.dartmouth.edu/~sergey/cs65/examples/Weather2.zip and described in the lecture notes, http://www.cs.dartmouth.edu/~sergey/cs65/Retrofit-Services-Maps-OhMy.txt Lecture notes will be further expanded tonight. We'll continue with Google Maps on Wednesday (tomorrow). Thanks, --Sergey