Android Room Persistence library entity with AutoValue

Question

Is it possible to use both Room persistence library's @Entity with AutoValue's @AutoValue and builder on the same POJO? How should i do it?

I ran into problems with this and [filed this feature request](https://issuetracker.google.com/issues/62408420), so AFAIK as of `1.0.0-alpha3` this is still not possible. — CommonsWare, Jul 02 '17 at 10:46
@CommonsWare thanks. if you post it as answer, i will accept it. — Weizhi, Jul 02 '17 at 12:35
Added comment in the feature request, @CommonsWare did you get any news about it other than the comments in the feature request ? — JoseF, Oct 16 '17 at 17:06
I see that it was upgraded from Priorty 3 to Priority 2 on Nov. 28, 2017 — Bryon Nicoson, Apr 06 '18 at 19:59

score 15 · Accepted Answer · answered Jul 02 '17 at 12:50

15

AFAIK, as of 1.0.0-alpha3, this is not possible. Room wants fields; AutoValue doesn't expose fields. Keep tabs on this feature request for progress in this area.

answered Jul 02 '17 at 12:50

CommonsWare

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score 6 · Answer 2 · answered Aug 24 '18 at 00:14

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This feature will be available in Room 2.1.0 https://issuetracker.google.com/issues/62408420#comment27

answered Aug 24 '18 at 00:14

reinaldomoreira

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score 1 · Answer 3 · answered Dec 15 '18 at 21:11

Released in 2.1.0-alpha01!

Note that you have to add the @CopyAnnotations annotation for it to work

Auto Value: Room now supports declaring AutoValue annotated classes as entities and POJOs. The Room annotations @PrimaryKey, @ColumnInfo, @Embedded and @Relation can now be declared in an auto value annotated class’ abstract methods. Note that these annotation must also be accompanied by @CopyAnnotations for Room to properly understand them.

see the release notes

score 0 · Answer 4 · answered Aug 01 '18 at 10:56

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Following this task, apparently they added support. I assume it will be possible in the future Room release (probably androidx.room version 2.0.0). Still not merged as part of 2.0.0-beta1 though

answered Aug 01 '18 at 10:56

ElyashivLavi

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score 0 · Answer 5 · answered Apr 25 '21 at 16:08

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Now it is possible with the Room database 2.1.0.

You can make this possible by annotating the abstract class methods with @PrimaryKey, @ColumnInfo, @Embedded, and @Relation. The abstract class has to be annotated with @Autovalue.

answered Apr 25 '21 at 16:08

Ashish C Joseph

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Android Room Persistence library entity with AutoValue

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