416 questions
Score of 0
1 answer
101 views
Flutter Workmanager not working in background or killed state. Works fine in foreground. For backup to google drive for a local Objectbox database
I am trying to implement a daily autobackup functionality with Workmanager, to upload the local Objectbox data as a json file to Google Drive. But the code is not working when app is in background or ...
- reputation score 76
Score of 0
1 answer
74 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 ...
- reputation score 37
Score of 4
1 answer
822 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,...
- reputation score 413
Score of 1
1 answer
89 views
ObjectBox-Java - Most performant way to do massive updates
I'm using objectbox-java on my Android app. One of the features I'm implementing requires to switch on and off a flag on certain ObjectBox entities, which can reach the 100.000+ count for some users.
...
- reputation score 183
Score of 1
1 answer
162 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....
- reputation score 929
Score of 0
2 answers
290 views
Setting up Objectbox Admin on Flutter for Android
My project runs Flutter on an Android emulator. I just started using Objectbox and I am able to write and read data from the database. Now I want to setup ObjectBox Admin Web App.
I followed the ...
- reputation score 65
Score of 0
0 answers
49 views
ObjectBox : initialization magic works in version 3.1.3 but not in 4.0.2
I have an Android project that has been running for several years with ObjectBox version 3.1.3. I have several Entities, some of which have ToOne and/or ToMany relationships pointing to others. The ...
- reputation score 3
Score of 0
1 answer
83 views
How can I setup user/password authentication in ObjectBox sync server?
I have gotten ObjectBox sync server up and running with no authentication just to verify syncing of data and initial testing. I would now like to try enabling authentication and try using the user/...
- reputation score 23
Score of 1
1 answer
94 views
Do ObjectBox ToMany containers allow duplicates and do they maintain order?
I am converting a project from Realm to ObjectBox. So far it's going well but I did run into an issue that causes some serious problems in my code. When using Realm to link to a list of other objects,...
- reputation score 23
Score of 0
0 answers
106 views
Is there any support for full-text search (e.g. BM25) on ObjectBox (Android)?
Efficient hybrid vector/keyword search is a common pattern for RAG in many AI applications. I can't see any documentation of whether ObjectBox supports this out of the box.
I was expecting full-text ...
- reputation score 1
Score of 0
0 answers
54 views
ObjectBox: DbDetachedException when accessing a ToOne<>
I would like to know what the following exception corresponds to:
Fatal Exception: io.objectbox.exception.DbDetachedException
Cannot resolve relation for detached entities, call box.attach(entity) ...
- reputation score 3
Score of 0
1 answer
140 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 ...
- reputation score 331
Score of 0
0 answers
63 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;
...
- reputation score 2261
Score of 1
0 answers
71 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 ...
- reputation score 33
Score of 0
1 answer
153 views
How to store a nested object/list of nested objects inside of an ObjectBox @Entity without using a relationship?
I'm trying to locally cache a model I'm getting from an API, the model is as follows:
data class Subject(
val id: Long,
val meanings: List<Meaning>
// It has more fields, but they ...
- reputation score 1
