Compare kotlin two list array.. update delete or update

compare_list.kt

 fun main() {


        //// usuarios del celular registrados
        val sync_list_name_mobile = ArrayList<HashMap<String, String>>()

        val contactMap_initial = HashMap<String, String>()
        contactMap_initial.put("KEY_NAME", "PEDRO")
        contactMap_initial.put("mobile", "1111")

        sync_list_name_mobile.add(contactMap_initial)

        val contactMap_initial22 = HashMap<String, String>()
        contactMap_initial22.put("KEY_NAME", "PEDRO")
        contactMap_initial22.put("mobile", "4444")

        sync_list_name_mobile.add(contactMap_initial22)


        //// usuarios de la base datos
        val list_friend_inside_db = ArrayList<HashMap<String, String>>()
        val contactMap_2 = HashMap<String, String>()
        contactMap_2.put("KEY_NAME", "JUAN")
        contactMap_2.put("mobile", "2222")
        list_friend_inside_db.add(contactMap_2)

        val contactMap_23 = HashMap<String, String>()
        contactMap_23.put("KEY_NAME", "DANIEL")
        contactMap_23.put("mobile", "1111")
        list_friend_inside_db.add(contactMap_23)

        val contactMap_233 = HashMap<String, String>()
        contactMap_233.put("KEY_NAME", "ROSSS")
        contactMap_233.put("mobile", "1111")
        list_friend_inside_db.add(contactMap_233)


       // val aa = U.Chain(list_friend_inside_db).uniq()

       // println("unique $aa")


        //  String[]  myStringArray = new String[]{"1111"};


        /// verifica si se elimino un usuario

        // U.Chain<String>  filterList = U.chain(sync_list_name_mobile).map(b -> b.get("KEY_MOBILE"));

        val filterList = sync_list_name_mobile.map { b->b.get("KEY_MOBILE") }

        val notIn_delete_user = list_friend_inside_db.filter { arg-> filterList.indexOf(arg.get("KEY_MOBILE"))<0 }

        println("notIn_delete_user $notIn_delete_user")
        val filterList_ = list_friend_inside_db.map { b->b.get("KEY_MOBILE") }

        val notInB_add_user = sync_list_name_mobile.filter { arg-> filterList_.indexOf(arg.get("KEY_MOBILE"))<0}
        println("notInB_add_user $notInB_add_user")

       val result_ =  sync_list_name_mobile.filter { o1->
            list_friend_inside_db.any {o2->

                 o1["mobile"] === o2["mobile"] && o1["KEY_NAME"] !== o2["KEY_NAME"]
            }

        }








        println("update user $result_")

      //  val result_new =
      //      U.chain(result_).filter({ a -> U.indexOf(arrayOf<Chain>(notInB_add_user), a) < 0 })

        //System.out.println("result_ " + result_);


        if (notIn_delete_user.size > 0) {
            notIn_delete_user.forEach { arg -> System.out.println("forEach user delete " + arg.get("KEY_MOBILE")) }
        }



        if (notInB_add_user.size > 0) {
            notInB_add_user.forEach { arg -> System.out.println("forEach user add " + arg.get("KEY_MOBILE")) }
        }
        if (result_.size > 0) {
            result_.forEach { arg -> System.out.println("forEach user update" + arg.get("KEY_MOBILE")) }
        }

    }

    override fun onCreateOptionsMenu(menu: Menu): Boolean {
        // Inflate the menu; this adds items to the action bar if it is present.
        menuInflater.inflate(R.menu.menu_main, menu)
        return true
    }

    override fun onOptionsItemSelected(item: MenuItem): Boolean {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        return when (item.itemId) {
            R.id.action_settings -> true
            else -> super.onOptionsItemSelected(item)
        }
    }