How does Twitter for iPhone bookmarklet work?

Posted by Igor Zevaka on Stack Overflow See other posts from Stack Overflow or by Igor Zevaka
Published on 2010-05-27T08:15:49Z Indexed on 2010/05/27 8:21 UTC
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Filed under:

iphone

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iphone-sdk

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bookmarklet

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mobilesafari

Twitter client (formerly Tweetie) allows you to define a bookmarklet in Safari that launches the app. I want to know which iPhone API allows you to register the protocol specifier (or whatever it's called) - in this case "tweetie:" - in order for this bookmarklet to work.

The instructions can be found here and the bookmarklet itself is below.

javascript:window.location='tweetie:'+window.location

Clicking the above bookmark is the same as typing in "tweetie:http://google.com" into the address bar. This is obviously supported on the OS/Browser level, much the same as tel: URIs. Am I correct in understanding that developers can add arbitrary URI protocol specifiers as a part of app installation?

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