How to pass the values from activity to another activity in kotlin

Question

As I\'m learning Kotlin for Android development, I\'m now trying the basic programs like hello world and how to navigate from one activity to another activity , there is no

Answer 1

    //On Click on Button 

    var but = findViewById(R.id.buttionActivity_two) as Button

            but.setOnClickListener {
    //Define intent 
                var intent = Intent(applicationContext,MainActivity::class.java)
// Here "first" is key and 123 is value                
intent.putExtra("first",123)
                startActivity(intent)

            }

        }

// If Get In Into Other Activity
var Intent1: Intent
Intent1= getIntent()
//Here first is key and 0 is default value
      var obj :Int  =  Intent1.getIntExtra("first",0);
      Log.d("mytag","VAlue is==>"+obj)