jacoco.gradle

//apply plugin: 'java-robolectric'
apply plugin: 'jacoco'

//robolectric {
//    include '**/*Test.class'
//    maxHeapSize = "2048m"
//}

jacoco {
    toolVersion = "0.7.5.201505241946"
}

task testDebugUnitTestCoverage (type:JacocoReport, dependsOn: "testDebugUnitTest") {
    group = "Reporting"
    description = "Generate Jacoco coverage reports on the DEBUG build."

    classDirectories = fileTree(
            dir: "${project.buildDir}/intermediates/classes/debug",
            excludes: ['**/R.class',
                       '**/R$*.class',
                       '**/*$ViewInjector*.*',
                       '**/*$ViewBinder*.*',
                       '**/BuildConfig.*',
                       '**/Manifest*.*']
    )

    def coverageSourceDirs = ["src/main/java", 'src/gen']
    additionalSourceDirs = files(coverageSourceDirs)
    sourceDirectories = files(coverageSourceDirs)
    executionData = files("${project.buildDir}/jacoco/testDebugUnitTest.exec")

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