Untitled

import UIKit

class ViewController: UIViewController {
    @IBOutlet weak var label: UILabel!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        label.text = "Hello, world!"
    }
}
import android.os.Bundle
import android.widget.TextView
import androidx.appcompat.app.AppCompatActivity

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        
        val textView: TextView = findViewById(R.id.textView)
        textView.text = "Hello, world!"
    }
}