1 package org.example.kotlin.mixed.free 2 3 import android.os.Bundle 4 import android.app.Activity 5 import org.example.kotlin.mixed.R 6 7 class AdActivity : Activity() { 8 onCreatenull9 override fun onCreate(savedInstanceState: Bundle?) { 10 super.onCreate(savedInstanceState) 11 setContentView(R.layout.activity_ad) 12 } 13 14 } 15