scrollview.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
                        @Override
                        public void onGlobalLayout() {
                            scrollview.post(new Runnable() {
                                public void run() {
                                    scrollview.fullScroll(View.FOCUS_DOWN);
                                }
                            });
                        }
                    });