Android-Expected a List while deserializing, but got a class java.util.HashMap

Question

I want to get all list of restaurants from Firebase in android.

Here is my code:

boolean delivery;
String openTime, closeTime, restaurantName;
long          


        

Answer 1

Kotlin Example
This is a example to get all your nested data out of firebase real time database.

There are many tokens in this example and every token contains list of notes

 val noteListener = object : ValueEventListener {

            override fun onDataChange(dataSnapshot: DataSnapshot) {
                // For each loop will run until all notes are fetched
               for (snapshot in dataSnapshot.children){
                   val note = snapshot.getValue(Note::class.java)
                   Log.e("Note",note?.title)
               }
            }

            override fun onCancelled(databaseError: DatabaseError) {
                // On failed, log a message
                Log.e("Debug", "loadPost:onCancelled", databaseError.toException())
            }
        }

        //You can use the addListenerForSingleValueEvent() method to simplify this scenario: it triggers once and then does not trigger again.
        //ref.child(token) is the path for reach notes for each unique user , in your case it can be ref only
        ref.child(token).addListenerForSingleValueEvent(noteListener)