Android Jacoco setup with Gradle

Build.gradle

buildTypes {
        release {
            runProguard false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
            signingConfig signingConfigs.release
        }
        debug {
            versionNameSuffix " Debug"
	    debuggable true
	    testCoverageEnabled = true
        }
}

apply plugin: ‘jacoco’
 
jacoco {
    toolVersion = “0.7.1.201405082137”
}
 
def coverageSourceDirs = [
    ‘../app/src/main/java’
]

task generateJacocoTestReports(type:JacocoReport, dependsOn: "testDebug") {
    group = "Reporting"
    reports = {
        xml.enabled = true
        html.enabled = true
    }
    description = "Generate Jacoco Robolectric unit test coverage reports”
 
    classDirectories = fileTree(
            dir: '../app/build/intermediates/classes/debug',
            excludes: ['**/R.class',
                       '**/R$*.class',
                       '**/*$ViewInjector*.*',
                       '**/BuildConfig.*',
                       '**/Manifest*.*']
    )
    sourceDirectories = files(coverageSourceDirs)
    additionalSourceDirs = files(coverageSourceDirs)
    executionData = files('../app/build/jacoco/testDebug.exec')
}