<The RecyclerView doesn't retrieve any data from F...

# stackoverflow

[user]

The RecyclerView doesn't retrieve any data from Firebase and doesn't show any data
I just started working with Android Studio, and I've been trying to figure out what's wrong with this code for a few days now. When I run the program it shows nothing, and also there is no errors from Android Studio. I read the posts on the subject, but unfortunately I found nothing appropriate.
This is my activity class.
package ie.wit.donationx.activities

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.recyclerview.widget.LinearLayoutManager
import...