gistfile1.txt

        commentEditText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
            @Override
            public void onFocusChange(View v, boolean hasFocus) {
                if (hasFocus) {
                    // 200 is an arbitrary amount of time to let the keyboard show, and then
                    // we smooth scroll
                    recyclerView.postDelayed(new Runnable() {
                        @Override
                        public void run() {
                            recyclerView.smoothScrollToPosition(adapter.getItemCount() - 1);
                        }
                    }, 200);
                }
            }
        });