I am getting this error while running a program with Room Database Room cannot verify the data integrity. Looks like you've changed schema but forgot to update the version number. You can simply f...

I am getting below exception only in android 9, after reinstalling everything looks good, Exception: android.database.sqlite.SQLiteBlobTooBigException: Row too big to fit into CursorWindow requir...

companion object { @Volatile private lateinit var instance: ExampleDatabase fun getInstance(context: Context): ExampleDatabase { synchronized(this) { if(!::instance.isInitialized) { instance...

I am migrating my existing project's database from SQLite to Realm. So there is a way to print Query like we can get/print in SQLite. SQL Query: select * from Patient where "revision=8" and (long...

I have an @Entity which holds a variable(list of custom object) along with other fields for the table. I am able to insert, fetch and delete from this entity. But I am facing an issue in updating...

I am using date converter class to convert my date object. However, I still encounter an error saying. error: Cannot figure out how to save this field into a database. You can consider adding a typ...

i wanted to access Room DB inside my widget class to update the widget according to the stored data. the problem here is the ViewModelProvider require a fragment or activity to work with.. View...

My app is not going to open. When i try to open app it immediately close with below crash. It is happening in only one device Redmi note 10s.(Android 11) It seems issue with Workmanager, but didn't...

I am trying to integrate the room database in my android application. Now I want to query distinct result from DB but I am getting this error: error: The columns returned by the query does not have...

If your application requires a database and it comes with built in data, what is the best way to ship that application? Should I: Precreate the SQLite database and include it in the .apk? Include...

My entity class: @Entity(tableName = "student") data class Student( @PrimaryKey(autoGenerate = true) val id: Long, val name: String, val age: Int, val gpa: Double, val isSingle: Bo...

I know this question has been asked a million times, I myself though that I already knew the answer and that the correct one was that the only guaranteed call is to onPause(), so you should save yo...

@Dao interface ExampleDao { @Query("SELECT * FROM example_table WHERE id = :id") fun get(id: Int): LiveData<Example> @Insert(onConflict = OnConflictStrategy.REPLACE) fun insert(somethin...

Currently, we have the following Dao and model class. NoteDao @Query("SELECT * FROM note") public abstract LiveData<List<Note>> getAllNotes(); Note class @Entity( tableName = "not...

I started using Room database and went through several docs to create room entities. These are my relations. A Chat Channel can have Many Conversations. So this goes as one-to-many relationship. H...

With the new Room Database in Android, I have a requirement where there are two sequential operations that needs to be made: removeRows(ids); insertRows(ids); If I run this, I see (on examining ...

Is there a way to have one Room TypeConverter that will take multiple table fields and combine them into some object? As an example, let's assume I have a table Foo that has columns INT numerator,...

Until Android P everything worked fine with my code but now in Android P I'm having a lot of problems working with databases. I have .db SQLite database files stored on assets folder. I was importi...

I am Very beginner to firebase and trying to get value from my database. but it showing me same error every time. W/SyncTree: Listen at /child failed: FirebaseError: Permission denied My fireb...

I have table with composite primary key. Can I make one of the filed as auto generated. Secenario : I have a teacher table containing the fields techerId, name, gender, role, department, grade a...

Let's say that you have a Room database with two tables (entities) that are related using foreign key. (This is just a simplified example, so no need to propose a new data structure :) ) @Entity(t...

I have setup an alarm that calls each hour a broadcast receiver. This receiver tries to load data from the sqlite database. The problem is, that the list of reminders is null. The same codes works...

I have two major questions. Database won't delete when uninstall app. Downloaded files won't delete while unstable the app. There is a database in my android application. I create it by java ...

This is my first ROOM implementation. I have a User class which has a list of Pets as one of its member variables. public class User { String id; String name; List<Pet> pets; } Public c...

My table is structure is as follows: @Entity(tableName = "userFitnessDailyRecords") public class UserFitnessDailyRecords { @NonNull @PrimaryKey private Date forDay; private int stepCount; ...