firebase Listener not getting triggered once for the initial state

[Tenzin la]

i have implemented the firebase to read data from the url , it does't trigger the listener for initial state but it works only when i add value to JSON tree .. please help...

here is code snippet..

mFirebaseRef.child("article").addValueEventListener(new ValueEventListener() {
    @Override
    public void onDataChange(DataSnapshot snapshot) {
        for (DataSnapshot postSnapshot : snapshot.getChildren()) {

            Article article = postSnapshot.getValue(Article.class);
            articles.add(article);
        }
    }

    @Override
    public void onCancelled(FirebaseError firebaseError) {
        Toast.makeText(context, "Floor update canceled: " + firebaseError.getMessage(),Toast.LENGTH_SHORT).show();

    }
});

[Jacob Wenger]

Hey there,

That's odd. It definitely should be firing for the initial data. How have you confirmed it is not firing? Have you added a log statement to see if it is hit? Are you getting any error messages? Also, what version of the Java library are you using? Once we have more details, we can hopefully track down where things are going wrong.

Cheers,
Jacob

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