@Entity(tableName = "users")
public class User {
@PrimaryKey
public int id;
public String name;
}
@Dao
public interface UserDao {
@Query("SELECT * FROM users")
List<User> getAll();
@Insert
void insert(User user);
@Delete
void delete(User user);
}
@Database(entities = {User.class}, version = 1)
public abstract class AppDatabase extends RoomDatabase {
public abstract UserDao userDao();
}
AppDatabase db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "app-database").build();
UserDao userDao = db.userDao();
List<User> users = userDao.getAll();
for (User user : users) {
Log.d("User", user.name);
}
