Nejisimneet 05 Androidapk Better -

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, Nejisimneet 05!" } } Modify activity_main.xml to design your UI. For a basic app: