iphone how to call an external program to open a pdf file

I think there iphone calling external program to open a file. If using
inside the android

 intent.setDataAndType (uri, "application / pdf"); 

In the same way. Brother is the best newcomer to the point code. Xianxie brother here! . .
Reply:
There are open-source operating PDF library can be used with ⋯ ⋯
Click on the Google search
Reply:

cited a floor ybh37 reply:

have open source operating PDF library can be used with ⋯ ⋯
Google search about the

Can you give the name of a library. This really bad check
Reply:
mobfarm-FastPdfKit
Looks like a while ago with the
Reply:

reference to the third floor ybh37 reply:

mobfarm-FastPdfKit
Looks like a while ago with this

Can you give me a case ah. I did not find examples. The official did not seem to see the doc
Reply:
open url, provided that you know the program was to open url
Reply:

references, 5th Floor ixcoder reply:

open url, provided that you know the program you want to open too url

Url-line local file it?
What is the specific implementation method. Give you the code.
Reply:
So far there is no formal market open App Store so right, but you can use his own pdf provided interfaces.
Reply:
Pdf api there on official method of operation
Reply:

The reply was deleted at the moderator 2011-12-19 12:39:24

Reply:

reference to the 6th floor q5620258 reply:

references, 5th Floor ixcoder reply:

open url, provided that you know the program you want to open too url


Url-line local file it?
What is the specific implementation method. Give you the code.

Yes, the key to see how the program response was handled. . .

NSURL * myURL = [NSURL URLWithString: @ "todolist :/ / www.acme.com?Quarterly% 20Report # 200806231300"];
[[UIApplication sharedApplication] openURL: myURL];

This opens todolist program

"Facetime :/ / 111111"

This opens facetime