在应用程序内使用SDK打开设置（转）
备注：该功能只能在5.0及以下才能使用，5.1及以上该接口失效。
//网路设置项
[[UIApplication sharedApplication] openURL:[NSURLURLWithString:@"prefs:root=General&path=Network"]];
//定位设置
[NSURL URLWithString:@"prefs:root=LOCATION_SERVICES"]];
//设置Twitter
[NSURL URLWithString:@"prefs:root=TWITTER"]];
//蓝牙
[NSURL URLWithString:@"prefs:root=General&path=Bluetooth"]];
所有现时可使用连接
- prefs:root=General&path=About
- prefs:root=General&path=ACCESSIBILITY
- prefs:root=AIRPLANE_MODE
- prefs:root=General&path=AUTOLOCK
- prefs:root=General&path=USAGE/CELLULAR_USAGE
- prefs:root=Brightness
- prefs:root=General&path=Bluetooth
- prefs:root=General&path=DATE_AND_TIME
- prefs:root=FACETIME
- prefs:root=General
- prefs:root=General&path=Keyboard
- prefs:root=CASTLE
- prefs:root=CASTLE&path=STORAGE_AND_BACKUP
- prefs:root=General&path=INTERNATIONAL
- prefs:root=LOCATION_SERVICES
- prefs:root=ACCOUNT_SETTINGS
- prefs:root=MUSIC
- prefs:root=MUSIC&path=EQ
- prefs:root=MUSIC&path=VolumeLimit
- prefs:root=General&path=Network
- prefs:root=NIKE_PLUS_IPOD
- prefs:root=NOTES
- prefs:root=NOTIFICATIONS_ID
- prefs:root=Phone
- prefs:root=Photos
- prefs:root=General&path=ManagedConfigurationList
- prefs:root=General&path=Reset
- prefs:root=Sounds&path=Ringtone
- prefs:root=Safari
- prefs:root=General&path=Assistant
- prefs:root=Sounds
- prefs:root=General&path=SOFTWARE_UPDATE_LINK
- prefs:root=STORE
- prefs:root=TWITTER
- prefs:root=General&path=USAGE
- prefs:root=VIDEO
- prefs:root=General&path=Network/VPN
- prefs:root=Wallpaper
- prefs:root=WIFI
- prefs:root=INTERNET_TETHERING
转至"http://www.cnblogs.com/zxtx/archive/2012/03/27/2420297.html"