chatgt code

gistfile1.txt

        // Read from the database
        ChildEventListener childEventListener = new ChildEventListener() {
            @Override
            public void onChildAdded(DataSnapshot dataSnapshot, String previousChildName) {
            //TODO implement me

            }

            @Override
            public void onChildChanged(DataSnapshot dataSnapshot, String previousChildName) {
            }

            @Override
            public void onChildRemoved(DataSnapshot dataSnapshot) {
            }

            @Override
            public void onChildMoved(DataSnapshot dataSnapshot, String previousChildName) {
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {
                Log.w(TAG, "postComments:onCancelled", databaseError.toException());
            }
        };
        myRef.addChildEventListener(childEventListener);