1,745 questions
Advice
0
votes
0
replies
54
views
How to implement wall-collision detection for Nvidia NeRF (.glf) models by using Flutter as frontend
Iam working on a project of my own which is based on (Nvidia instant NeRF mesh models) I'm using Flutter app for the front-end. The problem that I'm facing is how do I detect wall collision on mesh ...
6
votes
1
answer
234
views
+100
ARCore tracking flickers between TRACKING and PAUSED, planes=0 and points=0, hitTest always empty
I am developing an Android ARCore app (native ARCore, not Sceneform). The app worked correctly around November 2025, but since December, plane detection no longer works.
Symptoms
In the debug overlay:
...
1
vote
0
answers
29
views
AR Foundation works in direct Unity build but fails after exporting to Android Studio (Gradle)
I’m having an issue with AR Foundation after exporting a Unity AR project as a Gradle project and running it from Android Studio.
Working case
Build & Run directly from Unity
Plane detection, ...
Tooling
0
votes
1
replies
80
views
Object detection + metric depth on mobile for outdoor navigation (blind users)
I’m building a mobile navigation app (android) for blind users. Two core features needed:
real-time detection of outdoor objects (cars, benches, curbs, stairs, pedestrians) on the phone camera.
a ...
- 29
4
votes
0
answers
130
views
How to draw a 3D line between two points using ar_flutter_plugin_2 (line not connecting points, cylinder stuck in middle)
I'm using ar_flutter_plugin_2 in Flutter and trying to draw a 3D line between two points in AR space.
I’m using a .glb cylinder model to represent the line. The logic for calculating the distance and ...
0
votes
0
answers
50
views
Google Filament and material recompilation and compatibility concern
Imagine situation
You have your library or SDK that uses Filament and requires 1.52 version. And has inside compiled .filamat files compatible with this version.
Third-party app uses your SDK, and ...
- 435
2
votes
0
answers
85
views
ARCore only records one custom track per frame — is recording to multiple tracks supported?
I'm working with ARCore's Recording and Playback API and trying to record custom data to multiple custom tracks during a single session and frame. While the API allows registering and writing to ...
- 11
1
vote
0
answers
62
views
Object not staying fixed after being anchored(AR Foundation)
I'm new to Unity and currently working on an augmented reality project using AR Foundation. My goal is to place a GameObject at a specific position in the real world and have it remain fixed in that ...
- 11
1
vote
1
answer
176
views
Android ARCore Geospatial Device Movement
I started out using this sample project https://developers.google.com/ar/develop/java/geospatial/quickstart.
I am able to place the anchors and view them in the ar view and on the map view as ...
- 10.7k
0
votes
0
answers
45
views
Display fixed point using ARCore with GeospatialMode
I have a fixed point defined by (azimuth, elevation) = (0 NORTH, 10° above horizon), and I want this point to be displayed/visualize through the camera using ARCore when the camera is pointing in that ...
- 5,873
0
votes
0
answers
50
views
Why is ARCore altitude consistently inaccurate lately and where is Google support for ARCore?
I have been using ARCore Geospatial API to identify the horizontal and vertical position of a WGS84 Anchor I create during the session.
Before 2025, I was receiving a considerably good altitude value, ...
- 23
1
vote
1
answer
224
views
AR Core geospatial API returns inaccurate values. How to resolve?
We’ve been using the ARCore library along with the Geospatial API to fetch the geospatial pose of a hit test result when the screen is tapped indoors.
Depth and instant placement settings are turned ...
- 23
1
vote
1
answer
428
views
How can i get the Yaw Pitch and Roll values from the Camera Pose of the ARCore?
I have this Java code using the ARCore Pose :
private void updateCameraPose(Pose pose) {
//float[] quaternion = new float[4];
//pose.getRotationQuaternion(quaternion, 0);
...
- 2,707
1
vote
0
answers
527
views
Is there any benefit in attaching objects to an anchor attached to a tracked image over not using the anchor? ARCore ARFoundation
So my situation is:
I want to place objects in a room, and I want to save their location to a file and load these later back in and have the same position.
So what I do is, I have an image I track and ...
1
vote
0
answers
101
views
ARCore API Camera Zoom and Auto-Exposure Control
Questions:
Is it at all possible to control the zoom setting on an Android phone when using the ARCore API?
In addition, does the ARCore API offer any control over the camera's auto-exposure settings?...
