firebase realtime database get child count code example

Example 1: firebase database get child count

ValueEventListener changeListener = new ValueEventListener() {
    @Override
    public void onDataChange(DataSnapshot dataSnapshot) {
        
    }

    @Override
    public void onCancelled(DatabaseError databaseError) {
      
    }
};

Example 2: firebase database get child count

dbRef.removeEventListener(changeListener);