Gradle function to create a custom task to be executed upon other and copy the apk file in the desired location

build.gradle

task getDebugAppInDesktopFolder(dependsOn: 'assembleDebug') {
    doLast {
        def destination = "Put the desired path"
        def desiredName = "Put the desired name"
        ext.apk = file("build/outputs/apk/debug/app-debug.apk")

        if (ext.apk.exists()) {
            copy {
                from ext.apk.absolutePath
                into destination
                rename { desiredName }
            }
        }
    }
}