130 questions
0
votes
1
answer
48
views
Is there any way to treat an old deleted property and a new property with the same name (but different UID) as the same property in database?
I had this property named reminders in my Task entity.
String? reminders;
then I deleted it to migrate it to use List<String> instead, unfortunately I realized this later that to migrate the ...
- 37
3
votes
1
answer
350
views
Error: The method 'getInvocation' isn't defined for the type 'DartObjectImpl'
Android Studio Latest, Flutter 3.35.6, sdk: ^3.9.2, Microsoft Windows 11 25H2,
Flutter Doctor without warnings.
Create a new Flutter project (Android & iOS) and without touching the generated code,...
- 187
2
votes
0
answers
49
views
Objectbox sort object using the sum in one to many relations
I am using objectbox for the database in my app. I have a one to many relation between my items and I want to sort my items based on that relation.
As an example I use these entities :
@Entity()
class ...
- 31
1
vote
1
answer
42
views
How to store objets to pre-populate objectbox database
I am using objectbox to store a database in my mobile app written in flutter. I have to pre-prolate the database at first launch with files provided in the .apk.
I tried using the data.mdb file ...
- 31
1
vote
0
answers
78
views
ObjectBox for Dart not lazy-loading ToMany relations separately
In the documentation for ObjectBox, they say
to-many relations are resolved lazily on first access, and then cached in the source entity inside the ToMany object.
In my app, I want to use a ToMany ...
- 11
1
vote
1
answer
127
views
Unable to ship my flutter app with a pre-built ObjectBox database
I'm unable to ship my Flutter app with a pre-built database. Below is my approach; it would be greatly appreciated if this intent of shipping a database and the steps involved are validated. Thank you....
- 929
0
votes
0
answers
16
views
Querying by count of elements in a tomany relation (How many customers with at least two orders?)
I'm new to ObjectBox so this question might be very basic, but I could not find an answer in the guides.
In the sample classes below, I would like to query all Customers that have at least 2 orders.
...
- 1
0
votes
0
answers
115
views
ObjectBox Cannot open store: another store is still open using the same path
I have a flutter app that uses ObjectBox to cache some data for offline availability.
I have an issue where if I swipe back on my android phone and the app goes to the background, when I open the app ...
- 2,243
0
votes
1
answer
95
views
ObjectBox select what to sync
I am just trying out ObjectBox and sync server.
I have a very simple sync scenario where I have multiple users for example user_A and user_B. Each user may have multiple devices, for example user_A ...
- 331
0
votes
0
answers
48
views
Flutter Object Box store image from URL
Does anyone know how we can store images obtained from a URL to object box ?
This is what i currently have:
@Entity()
class ServiceModel {
@Id()
int id = 0;
@Unique()
final String identifier;
...
- 2,243
1
vote
0
answers
57
views
ObjectBox Admin in Docker - Not refreshing UI data when db data are CRUDed
I am using ObjectBox Admin in Windows through WSL (Docker in WSL, using objectbox-admin.sh) and accessing a db file in Documents folder (shared with WSL).
From a browser I can access the contents in ...
- 33
0
votes
0
answers
36
views
Can ObjectBox sync data specifcally for a given user? (particularly in Flutter)
In their FAQs (https://objectbox.io/faq/) they suggest this is not yet possible (under the "Would ObjectBox be a good fit in my case?" question). Is this definitely the case? If so, do we ...
- 11
0
votes
1
answer
74
views
Error 404 when saving object with relation in Objectbox after removing a ToMany relation
I use objectbox with Flutter for one of my project. I have two object link MyObject and InsideObject :
@Entity()
class MyObject {
@Id()
int id = 0;
String? name;
final insideObjects = ToMany&...
0
votes
1
answer
92
views
how to restore objectbox-model.json file after building
I'm using flutter with windows desktop and forget submit objectbox-model.json file to git. The App already run in the production envionment, how to restore the objectbox-model.json file working with ...
0
votes
1
answer
110
views
Flutter builds fail consistently when attempting to work with Flutter databases
I'm learning Flutter and focusing on Databases but have been unable to use them.
An error occurs after adding dependencies for Isar and ObjectBox databases, however Hive appears to work.
After adding ...
