Top "Android-room" questions

For questions related to Android Room Persistence Library (which is a part of Android Architecture Components)

Cannot find setter for field - using Kotlin with Room database

I'm integrating with the Room persistence library. I have a data class in Kotlin like: @Entity(tableName = "story") data class …

android kotlin android-room
How to get the row count of Room database in android?

I'm following the practice of having a Repository and a Dao and so on. I was trying to get the …

android android-room
Android Room: Order By not working

I am using the new Android ORM Room. And I faced the following issue, queries that use ORDER BY with …

android android-room android-architecture-components
Android Architecture Components: Using Enums

Is it possible to use an Enum type as an embedded field in an Entity class with the new Android …

android android-room android-architecture-components
How to combine two live data one after the other?

I have next use case: User comes to registration form, enters name, email and password and clicks on register button. …

android observer-pattern android-room android-architecture-components android-livedata
Room cannot verify the data integrity in Android

MainActivity class public class MainActivity extends BaseActivity { private AppDatabase db; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(…

android sqlite android-room
No "NOT NULL" and "UNIQUE" constraint on Room Persistence Library

While playing with the Room Persistence Library I came to know that there is no methodology to set a data …

android sqlite android-room
Room attempt to re-open an already closed database

When using Room from the Android Architecture Components, I received the following error when attempting to access the database using …

android android-room android-architecture-components
An Annotation argument must be a compile time constant

i have seen this question. Similar error.But in my case it is different. While working with Room i was …

android kotlin android-room android-architecture-components android-jetpack