所以我设法得到一个按钮,使用意图打开一个pdf文件,但是当我运行应用程序并按下按钮时它会显示"无法显示PDF"。任何人都可以帮我解决代码出错的地方吗?
这是我的活动:
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<select name="LangFu" id="optFu">
<option value="" disabled>Common Languages:</option>
<option value="zh-CN">Chinese (Simplified)</option>
<option selected value="en">English</option>
<option value="fr">French</option>
<option value="de">German</option>
<option value="ru">Russian</option>
<option value="es">Spanish</option>
<option value="" disabled>—</option>
<option value="auto" data-confirm=" The ´´Automatic Language Detection´´ does not detect laguadges in frames / sandbox. Are you sure you want to select this option? ">Auto Detect</option>
</select>