AndroidStudio unit test generates test reports and generates unit test code coverage reports

If you want to calculate the coverage of AndroidTest, you only need to add the coverage statistics to the buildTypes closure in the module's build.gradle

debug {    
    testCoverageEnabled true
}

To generate a report, you can find the Gradle menu in AS, find verification -> createDebugCoverageReport, right click and run this task.

If this is displayed after configuration,

click to enter:

Uncheck it, and you can see the task list after synchronization