This is a build gradle file for android that includes robolectric, checkstyle, sonar, findbugs and pmd.

build.gradle

buildscript {

    dependencies {
        repositories {
            mavenCentral()
            mavenLocal()
        }

        classpath 'com.android.tools.build:gradle:0.5.+'
        classpath 'com.squareup.gradle:gradle-android-test-plugin:0.9.+'
    }
}

apply plugin: 'android'
apply plugin: 'android-test'
apply plugin: 'sonar-runner'
apply from: 'checkstyle.gradle'
apply from: 'findbugs.gradle'
apply from: 'pmd.gradle'

dependencies {
    repositories {
        mavenCentral()
    }

    compile 'com.android.support:support-v4:18.0+'
    compile 'com.android.support:appcompat-v7:18.0.+'
    compile 'ch.acra:acra:4.5.0'
    compile 'com.google.guava:guava:15.0.+'
    compile ('de.keyboardsurfer.android.widget:crouton:1.8.1') {
        exclude module: 'support-v4'
        compile 'com.android.support:support-v4:18.0+'
    }
    compile fileTree(dir: 'libs', include: '*.jar')

    testCompile 'junit:junit:4.10'
    testCompile 'org.robolectric:robolectric:2.1.+'
    testCompile 'com.squareup:fest-android:1.0.+'
}

android {
    compileSdkVersion 18
    buildToolsVersion "18.0.1"

    defaultConfig {
        minSdkVersion 10
        targetSdkVersion 18
    }

    sonarRunner {
        sonarProperties {
            property "sonar.host.url", "http://localhost:9000"
            property "sonar.jdbc.url", "jdbc:postgresql://localhost/sonar"
            //property "sonar.jdbc.driverClassName", "org.h2.Driver"
            property "sonar.jdbc.username", "sonar"
            property "sonar.jdbc.password", "sonar"
            property "sonar.branch", "gradle-robolectric"
            property "sonar.dynamicAnalysis", "reuseReports"
            properties["sonar.sources"] = android.sourceSets.main.java.srcDirs
            properties["sonar.tests"] = android.sourceSets.instrumentTest.java.srcDirs
            properties["sonar.binaries"] = file("build/classes/debug")
            property "sonar.surefire.reportsPath","build/test-report/debug"
            property "sonar.projectVersion", "2.5"
        }
    }

    checkstyle {
        configFile file('../config/quality/checkstyle/checkstyle.xml')
        ignoreFailures true
        showViolations false
        xslFile null
    }

    findbugs {
        excludeFile file('../config/quality/findbugs/findbugs-filter.xml')
        ignoreFailures true
        xslFile null
    }

    pmd {
        rulesetFile file('../config/quality/pmd/pmd-ruleset.xml')
        ignoreFailures true
        xslFile null
    }

}