GeoPoint does not allowed to be stored in Room

Question

Edited: Tested as suggested by Nazariy Moshenskiy's answer

I tried storing GeoPoints object in android's abstraction data persistence layer Room. Seems like this operation is not allowed.

Project does not compile with following error:

error: Cannot figure out how to save this field into database. You can consider adding a type converter for it.

Are there any solutions to achieve this? (compatible TypeConverter)

PS: I do not want to change my model class' object type to long, long or any other type as I am using GeoPoints within my model class to store in Firestore and retrieve based on parameters we can provide to the query against the GeoPoints.

Answer 1

As the OPs solution did not work I decided to implement a TypeConverter to achieve this. Even though the question has lot of downvotes thinking this can't be achieved out of the box, I will share my solution for whoever actually tried and failed to achieve this.

So I wrote a class called CustomTypeConverters and annotated two methods with @TypeConverter.

1. stringToGeoPoint(String data)

This method will take a JSON String as the input parameter. Then it will create a GeoPoint object using Gson library with the representation of GeoPoint.class and return it.

2. geoPointToString(GeoPoint geoPoint)

This method will take a GeoPoint object as the input parameter. Then it will create a JSON String object using Gson library and return it.

CustomTypeConverters.java

public class CustomTypeConverters {

    @TypeConverter
    public static GeoPoint stringToGeoPoint(String data) {
        return new Gson().fromJson(data, GeoPoint.class);
    }

    @TypeConverter
    public static String geoPointToString(GeoPoint geoPoint) {
        return new Gson().toJson(geoPoint);
    }

}

Then we need to point this converter using annotations within GeoPoint object we defined in our POJO. Assume I have a User class with a GeoPoint object,

@TypeConverters(CustomTypeConverters.class)
private GeoPoint geoPoint;

I verified the answer by browsing, data/data/your-application-package/databases in the device I am running this code.