Room database not created

I’m trying to develop an app with Room. The project is in java. This is my first time using Room. I’ve followed the documentation and created class with @Database, @Dao & @Entity. However when I …

Room Database. Insert sucessfull but no data found

I’ve got a simple Room database setup as seen below: Entity Class @Entity public class User { @PrimaryKey public int uid; @ColumnInfo(name = “first_name”) public String firstName; @…

What is the best way to not use allowmainthreadqueries() using Android Room?

I always use allowmainthreadqueries() in Android Room. But many people say it is not recommend to do it. With this function, Room is very easy to use. But if i should change my app to not using this …

Why am I getting an error when trying to save a list in Room database with the help of a type converter?

I want to store a list of Integer type in a Room database. For this I wrote a converter that looks like: public class TypeConverter { static Gson gson = new Gson(); @androidx.room.TypeConverter …

SharedPreferences vs SQLite Database vs Room Database, which should I use for my project and why? Pros and Cons [closed]

I have a custom ListView of Semesters, a Semester is an object, in the MainActivity of an app I’m developing to learn more about Android developing and databases. That ListView is created by the user …

Room compile problem – column references a foreign key but it is not part of an index

I’m new to android app development and am creating an app that has Trips which stores Locations. I’m getting a compile error :”trip_Id column references a foreign key but it is not part of an index. …

Android Room Persistence Library : What is the best way to implement a many to many relation?

I used to use Realm and I am currently testing Room in order to compare both tools. I am trying to implement the following many to many relation : Here my Entity classes : The Person : @Entity(…