iOS webview development, open PDF issue

Sometimes really want to vomit trough OC, but not qualified, after all, not depend on this to eat.

With HTML5 write a mail function, no problem, but the attachment where there is a problem, PC browser Click on the link is downloaded, mobile side with IFRAME can directly open the preview,

Okay, here's the question.

The first question, open Excel is easy to get stuck, directly unable to parse out.

The second question, open txt garbled, already know TXT encoding is GBK2132, need to re-encode, but the problem is I did not download to this machine how to re-encode.

The third question, but also the most wonderful problem, open the PDF no problem, but back to the HTML5 header disappeared, but the PDF has this wonderful phenomenon, such as the navigation bar is missing, but you can click, the function is still in, such as now click the original return key position, you can return, is the interface is missing

Originally want to when WebView GoBack time reload, but found will always refresh before the interface, do not know if anyone has developed a similar or solution, have no idea how to engage ...

So hard to finally solve, directly with Safari opened ...

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.

iOS webview development, open PDF issue