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// MainActivity.kt

package com.example.myfirstapp

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.TextView

class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        
        // Create a TextView
        val textView = TextView(this)
        textView.text = "Hello, World!"
        
        // Set the TextView as the content view for the activity
        setContentView(textView)
    }
}