groovy
implementation 'androidx.room:room-runtime:2.4.0'
annotationProcessor 'androidx.room:room-compiler:2.4.0'
@Entity(tableName = "users")
public class User {
@PrimaryKey
@ColumnInfo(name = "id")
private int id;
@ColumnInfo(name = "name")
private String name;
// getter and setter methods
}
@Dao
public interface UserDao {
@Insert
void insert(User user);
@Query("SELECT * FROM users WHERE id = :id")
User getUserById(int id);
// other database operations
}
@Database(entities = {User.class}, version = 1)
public abstract class AppDatabase extends RoomDatabase {
public abstract UserDao userDao();
}
AppDatabase db = Room.databaseBuilder(getApplicationContext(),
AppDatabase.class, "my-database").build();
