How to make primary key as autoincrement for Room Persistence lib

Question

I am creating an Entity (Room Persistence Library) class Food, where I want to make foodId as autoincrement.

@Entity
class Food(var foodName: Str         


        

Answer 1

Annotate your Entity class with the code below.

In Java:

@PrimaryKey(autoGenerate = true)
private int id;

In Kotlin:

@PrimaryKey(autoGenerate = true)
var id: Int

Room will then auto-generate and auto-increment the id field.