android 强制弹出键盘

           ed.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        InputMethodManager imm = (InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);
                        imm.showSoftInput(ed, InputMethodManager.SHOW_IMPLICIT);
                    }
                },200);

ed 就是EditText