android自动弹出软键盘（输入键盘）

       searchEditView.setFocusable(true);
        searchEditView.setFocusableInTouchMode(true);
        searchEditView.requestFocus();

        Timer timer = new Timer();
        timer.schedule(new TimerTask() {

                           public void run() {


                               InputMethodManager inputManager =
                                       (InputMethodManager) searchEditView.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
                               inputManager.showSoftInput(searchEditView, 0);

                           }

                       },
                998);