coverage.gradle

apply plugin: 'jacoco'

jacoco {
    toolVersion = '0.7.7.201606060606'
}

android {
    testOptions {
        unitTests.all {
            jacoco {
                includeNoLocationClasses = true
            }
        }
    }
}

task jacocoTestReport(type: JacocoReport, dependsOn: "testReleaseUnitTest") {
    group = "Reporting"
    description = "Generate Jacoco coverage reports"

    classDirectories = fileTree(
            dir: "$buildDir/intermediates/classes"+'/release',
            excludes: ['**/R.class',
                       '**/R$*.class',
                       '**/*$ViewInjector*.*',
                       '**/BuildConfig.*',
                       '**/Manifest*.*']
    )

    additionalSourceDirs = files(android.sourceSets.main.java.srcDirs)
    sourceDirectories = files(android.sourceSets.main.java.srcDirs)
    executionData = files("$buildDir/jacoco/testReleaseUnitTest.exec")

    reports {
        xml.enabled = true
        html.enabled = true
    }
}