package com.example.pittihelloworld import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.widget.TextView class DisplayMessageActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_display_message) // extract message from intent val message = intent.getStringExtra(EXTRA_MESSAGE) findViewById(R.id.textView).apply { text = message } } }