Kotlin Programming Cookbook

How to do it…

Let's insert data into our database by following the mentioned steps:

1. Let's start with our database helper, in which we will be creating a Requests table with the name, message, and id fields, as follows:

class DatabaseHelper(ctx: Context) : ManagedSQLiteOpenHelper(ctx, "SupportDatabase", null, 1) {    companion object {        private var instance: DatabaseHelper? = null        @Synchronized        fun getInstance(context: Context): DatabaseHelper {            if (instance == null) {                instance = DatabaseHelper(context.applicationContext)            }            return instance!!        }    }    override fun onCreate(db: SQLiteDatabase) {        db.createTable("Requests", true,                "id" to INTEGER + PRIMARY_KEY + UNIQUE + AUTOINCREMENT,                "name" to TEXT,                "message" to TEXT)    } override fun onUpgrade(db: SQLiteDatabase, ...