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ckage com.example.lukas.recyclerviewplayground import android.os.Bundle import android.support.v7.app.AppCompatActivity import android.support.v7.widget.LinearLayoutManager import android.view.View import android.widget.Toast import kotlinx.android.synthetic.main.activity_main.* class MainActivity : AppCompatActivity() { private val myDataset = arrayOf("A", "B", "C", "D", "E", "F", "G", "H", "I", "J") private val myDataset2 = arrayOf("1", "2", "3", "4", "5", "6", "7", "8", "9", "10") private val myAdapter = MyAdapter(myDataset, object : MyAdapter.ItemClickListener { override fun onItemClick(view: View, position: Int) { Toast.makeText(this@MainActivity, "Item clicked: " + myDataset[position], Toast.LENGTH_SHORT).show() } }) private val myAdapter2 = MyAdapter(myDataset2, object : MyAdapter.ItemClickListener { override fun onItemClick(view: View, position: Int) { Toast.makeText(this@MainActivity, "Item clicked: " + myDataset2[position], Toast.LENGTH_SHORT).show() } }) override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) recycler_view.layoutManager = LinearLayoutManager(this) recycler_view.adapter = myAdapter } fun changeData(view: View) { if (recycler_view.adapter == myAdapter) { recycler_view.adapter = myAdapter2 } else { recycler_view.adapter = myAdapter } } }

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