Kotlin Programming Cookbook

How to do it…

Let's take look at the given steps to understand how to read data from the database:

1. Now, let's add a button to our existing layout from the first recipe; on clicking, it should retrieve all data from our Requests table. Check out the updated code, which is as follows, where I have added a button with a click listener on it:

class MainActivity : AppCompatActivity() {    override fun onCreate(savedInstanceState: Bundle?) {        super.onCreate(savedInstanceState)        MainActivityUI().setContentView(this)        val btn_send = find<Button>(R.id.btn_send)        btn_send.onClick {            database.use {                insert("Requests",                        "name" to name.text.toString(),                        "message" to message.text.toString())            }            toast("success")            name.text.clear()            message.text.clear()        }        val btn_read ...