how to make 4 second delay by kotlin code example

Example 1: andoird kotlin delay

Handler().postDelayed({
 //doSomethingHere()
 }, 1000)

Example 2: handler in kotlin to delay

// Import
import android.os.Handler;

// Use
val handler = Handler()
handler.postDelayed({
     // do something after 1000ms
}, 1000)