package com.example.pittihelloworld import android.content.Intent import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.view.View import android.widget.EditText const val EXTRA_MESSAGE = "com.example.pittihelloworld.MESSAGE" class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) } fun sendMessage(view: View) { val editText = findViewById(R.id.messageText) val message = editText.text.toString() val intent = Intent(this, DisplayMessageActivity::class.java).apply { putExtra(EXTRA_MESSAGE, message) } startActivity(intent) } }