QField App crashes when connect to internal server of PostgreSQL and PostGIS

Question

I'm completely new to GIS field and here what I'm trying to do:

I want to make the QField App connects to internal server which has a PostgreSQL and PostGIS running on it.

1. I created a schema in PostgreSQL with one geometry type.

2. I enabled the PostGIS to the database

3. I created a QGIS project, and added the OpenStreetMap as a layer.

4. I also used Add layer and chose PostGIS and select my schema (from PostgreSQL)

5. Also, tried to export the project with QfieldSync

Also, I changed the IPv4 in pg_hba.conf and set firewall rules for PostgreSQL port(5432).

When I use QGis to select points, everything works fine and all data stored to my database. However, when I copy the project to my android phone and use QField, it crashes once I select the project without showing any error.

Is there a special way to export the project to fit with QField?

If I use shapeFiles as layer, the QField works just fine and store data locally but it is not what I need.

Answer 1

After a day of struggling, I found part of the solution here

which is basically just altering the pg_hba.conf file and adding server IP with /24

The other part was removing the password from the configuration of the project and just checking the Store option