NSURL is a class that holds an URL.
Pre-registered URL scheme
There are a bunch of URL schemes reserved within iPhoneOS. You cannot register these schemes in your app.
| Scheme | Form | Handler | Public | Usage |
|---|---|---|---|---|
| ftp | - | MobileSafari | Yes | File transfer protocol. |
| http | - | MobileSafari | Yes | Hypertext transfer protocol. |
| https | - | MobileSafari | Yes | HTTP Secure. |
| feed | [1] | MobileSafari | Yes | Web Feed. |
| feeds | - | MobileSafari | Yes | Web Feed? |
| calshow | calshow:x?eventid=id | MobileCal | No | Used in -[SBCalendarAlertItem revealEvent]. |
| calinvite | calinvite:eventid=id | MobileCal | No | Used in -[SBInvitationAlertItem revealEvent]. |
| calinvitelist | ? | MobileCal | Unknown | ? |
| mailto | [2] | MobileMail | Yes | Sending emails. |
| sms | sms:phoneNumber | MobileSMS | Yes | Sending SMS. |
| tel | tel:phoneNumber | MobilePhone | Yes | Telephone. |
| telprompt | telprompt:phoneNumber | MobilePhone | Yes | Telephone with prompt. Available only in 3.0 –. |
| callto | ? | MobilePhone | Unknown | ? |
| telshow | telshow:// | MobilePhone | Unknown | ? |
| tellock | tellock:// | MobilePhone | Unknown | ? |
| telanswer | telanswer:something/ | MobilePhone | No | Used in -[SBCallAlertDisplay answer:]. |
| telemergency | telemergency:// | MobilePhone | Unknown | ? |
| vmshow | vmshow:integer | MobilePhone | Unknown | Voicemail. Used in -[SBVoiceMailAlertItem performUnlockAction]. |
| maps | maps:params | Maps | Yes | Maps. URLs of this type can be interpreted as http://maps.google.com/maps?params. |
| prefs | prefs:params | Preferences | No | Preferences. params can be like root=General&path=About. |
| youtube | youtube:videoID | YouTube | Yes | YouTube video. URLs of this type can be interpreted as http://www.youtube.com/v/videoID. |
| itms | - | MobileStore | Yes | iTunes Music Store. |
| itmss | - | MobileStore | Yes | ? |
| itms-apps | - | AppStore | Yes | ? |
| itms-appss | - | AppStore | Yes | ? |
| webcal | [3] | SpringBoard | Yes | WebCal subscription. |
| doubletap | doubletap://displayID | SpringBoard | No | The application will be launched when user double tapped the home button. |
| search | search://displayID/domain/identifier | SpringBoard | No | ? |
| rdar | rdar:url | MobileSafari | Yes | Radars (bug reporter). URLs of this type can be interpreted as https://bugreport.apple.com/cgi-bin/WebObjects/RadarWeb.woa/wa/openURL?url=url. |
| radar | radar:url | MobileSafari | Yes | Radars (bug reporter). Equivalent to rdar:. |
| javascript | - | MobileSafari | No | Execute Javascript. Can only be used in MobileSafari. |
| ff | ff:param or maps:param | FriendFinderApp | Unknown | Friend finder URL. Not usable yet. |
| springboard | springboard:/command | SpringBoard | No | SpringBoard command. Seems abandoned. Only referred in -[UIApplication _runSpringboardCommand:]. |
In addition, common Jailbroken devices also have cydia and apptapp scheme reserved for Cydia.
Friend Finder URLs
Friend finder URLs are handled by the unknown application "com.apple.FriendFinderApp". It may be similar in function to Google Latitude[1].
There are 4 kinds of friend finder URLs:
- "ff/acc" URLs: These are of the form ff:t=token. These URLs will be transformed to https://iphone-services.apple.com/ff/acc?t=token&bid=0. There are also maps:t=token which the only difference is bid=1.
- "ff/su" URLs: These are of the form ff:em=email. These URLs will be transformed to https://iphone-services.apple.com/ff/su?em=email.
- Friend-to-friend URLs: These are of the form maps:ffsourceuserid=sourceFriend&ffdestuserid=destFriend.
- Friend URLs: These are of the form maps:ffuserid=friend.
References
- ↑ iPhone URL Schemes – Including Google Latitude: http://www.dc-studios.net/blog/?p=148
- Official reference: NSURL
- Apple URL Scheme Reference: http://developer.apple.com/safari/library/featuredarticles/iPhoneURLScheme_Reference/Introduction/Introduction.html
- UIKit additions: http://github.com/kennytm/iphone-private-frameworks/blob/master/UIKit/NSURL.h
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