android - How can i retrieve a specific data from a firebase child node into Adnroid studio

Question

referenc2= FirebaseDatabase.getInstance().getReference("messageCounter").child("node"); 
referenc2.addValueEventListener(new ValueEventListener() { 
  public void onDataChange(@NonNull DataSnapshot snapshot) { 
    String count= Integer.parseInt(snapshot.child("cnt").getValue(String.class)); 
  } 
  @Override public void onCancelled(@NonNull DatabaseError error) { 
  } 
});

I need to retrieve the value stored inside the cnt node into a variable in android studio. can anyone help?

Answer 1

if you want to get value of specific node or child node like this

Here if you want to get child node(address) value. You can get it in this way

DatabaseReference db= FirebaseDatabase.getInstance().getReference().child("RouteCounter").child("node");

    
    db.addValueEventListener(new ValueEventListener() {
        @Override
        public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
            for (DataSnapshot userSnapshot: dataSnapshot.getChildren()) {
                String email = userSnapshot.child("cnt").getValue(String.class);
            }
        }
    
        @Override
        public void onCancelled(@NonNull DatabaseError databaseError) {
            throw databaseError.toException();
        }
    });