How do I retrieve the amount of children I have in a node?
I already have the correct path, I just need to know how I can tell the children of this node.
private DatabaseReference qtdeFilRef;
qtdeFilhosRef.child("primeiroNo").child("segundoNo");
Does anyone know how to recover children from "secondNo"?
Your question has already been answered.
a>I tested here and this code below was the one that answered me the most.
DatabaseReference rootRef = FirebaseDatabase.getInstance().getReference();
DatabaseReference yourRef = rootRef.child("Authenticated-Users");
ValueEventListener eventListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
int count = 0;
for(DataSnapshot ds : dataSnapshot.getChildren()) {
count = count + 1;
}
Log.d("TAG", count + "");
}
@Override
public void onCancelled(DatabaseError databaseError) {}
};
yourRef.addListenerForSingleValueEvent(eventListener);