Kotlin ContextMenu
    Call
    Sms

package example.javatpoint.com.kotlincontextmenu

import android.os.Bundle
import android.support.v7.app.AppCompatActivity
import android.view.ContextMenu
import android.view.MenuItem
import android.view.View
import android.widget.ArrayAdapter

import kotlinx.android.synthetic.main.activity_main.*
import kotlinx.android.synthetic.main.content_main.*
import android.widget.Toast


class MainActivity : AppCompatActivity() {
    private val contact = arrayOf("Akash","Vikash","John","Rahul","Ajay")
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        setSupportActionBar(toolbar)

        val arrayAdapter: ArrayAdapter = ArrayAdapter(this,android.R.layout.simple_list_item_1,contact)
        listView.adapter = arrayAdapter
        registerForContextMenu(listView)
    }

    override fun onCreateContextMenu(menu: ContextMenu?, v: View?, menuInfo: ContextMenu.ContextMenuInfo?) {
        super.onCreateContextMenu(menu, v, menuInfo)
        val inflater = menuInflater
        inflater.inflate(R.menu.menu_main, menu)
    }

    override fun onContextItemSelected(item: MenuItem?): Boolean {
        return when (item!!.itemId) {
            R.id.call ->{
                Toast.makeText(applicationContext, "call code", Toast.LENGTH_LONG).show()
                return true
            }
            R.id.sms ->{
                Toast.makeText(applicationContext, "sms code", Toast.LENGTH_LONG).show()
                return true
            }
            else -> super.onOptionsItemSelected(item)
        }
    }
}