Android自定义SearchView字体

int id = searchViewRes.getContext().getResources().getIdentifier("android:id/search_src_text",null,null);
        TextView textView = (TextView) searchViewRes.findViewById(id);
        textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 16);
        LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                ViewGroup.LayoutParams.WRAP_CONTENT);
        layoutParams.gravity = Gravity.CENTER_VERTICAL;
        textView.setLayoutParams(layoutParams);