So I\'m reading Android 6 for Programmers: An App-Driven Approach and the first two app examples I had no issues with the examples, this time the FlagQuiz example w
I also faced the same issue and got a solution very similar:
Changing the classpath to classpath 'com.android.tools.build:gradle:2.3.2'
Image after adding the classpath
A new message indicating to Update Build Tool version, so just click that message to update. Update