`Package com.example.projectone import android.os.Bundle import android.widget.ArrayAdapter import android.widget.Button import android.widget.EditText import android.widget.ListView import androidx.appcompat.app.AppCompatActivity class MainActivity :

Question

`Package com.example.projectone import android.os.Bundle import android.widget.ArrayAdapter import android.widget.Button import android.widget.EditText import android.widget.ListView import androidx.appcompat.app.AppCompatActivity class MainActivity :

AppCompatActivity() {

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)

val listView = findViewById<ListView>(R.id.ListView)
val userData: EditText = findViewById(R.id.user_data)
val button: Button = findViewById(R.id.button)

val todos: MutableList<String> = mutableListOf()
val adapter = ArrayAdapter(this, android.R.layout.simple_list_item_1, todos)
listView.adapter = adapter

button.setOnClickListener {
val text = userData.text.toString().trim()
if (text != "")
adapter.insert(text, 0)

}
}
}
`