android studio 3.1: build:gradle:3.1.0 - Absolute path are not supported when setting an output file name

Question

When I use Android Studio 3.0 and I use the next version of Android Gradle Plugin in project/build.gradle:

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Answer 1

Use variant.packageApplicationProvider.get().outputDirectory to avoid warning "variantOutput.getPackageApplication() is obsolete"

applicationVariants.all { variant ->
    variant.outputs.each { output ->
        variant.packageApplicationProvider.get().outputDirectory = new File(
            project.rootDir.absolutePath + "/release")

        def releaseFileName = "${rootProject.name}_${defaultConfig.versionName}.apk"
        output.outputFileName = releaseFileName.toLowerCase()
    }
}