Enabling coverage reports is very easy. You just need to set testCoverageEnabled = true on the build type that you are testing. Enable test coverage for the debug build type like this:

buildTypes {
  debug {
    testCoverageEnabled = true
  }
}

When you enable test coverage, the coverage reports are created when you execute gradlew connectedCheck. The task that creates the report itself is createDebugCoverageReport. Even though it is not documented, and it does not appear in the task list when you run gradlew tasks, it is possible to run it directly. However, because createCoverageReport depends on connectedCheck, you cannot execute them separately. The dependency on connectedCheck also means that you...