最简单的监听软键盘显示隐藏

/** * 监听软键盘显示隐藏 */private void addSoftInputListener() {    final View decorView = getWindow().getDecorView();    decorView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {        @Override        public void onGlobalLayout() {            Rect rect = new Rect();            decorView.getWindowVisibleDisplayFrame(rect);            int displayHight = rect.bottom - rect.top;            int hight = decorView.getHeight();            if (displayHight > hight / 3 * 2) {               showToast("键盘隐藏");            } else {                showToast("键盘显示");            }        }    });}