从app内跳转到设置界面的代码如下：
- NSURL *url = [NSURL URLWithString:UIApplicationOpenSettingsURLString];
- if ([[UIApplication sharedApplication] canOpenURL:url]) {
- [[UIApplication sharedApplication] openURL:url];
- }
跳转到系统WiFi设置页面代码：
- NSURL*url=[NSURL URLWithString:@"prefs:root=WIFI"];
- [[UIApplication sharedApplication] openURL:url];
另附其他设置页面：
- About — prefs:root=General&path=About
- Accessibility — prefs:root=General&path=ACCESSIBILITY
- Airplane Mode On — prefs:root=AIRPLANE_MODE
- Auto-Lock — prefs:root=General&path=AUTOLOCK
- Brightness — prefs:root=Brightness
- Bluetooth — prefs:root=General&path=Bluetooth
- Date & Time — prefs:root=General&path=DATE_AND_TIME
- FaceTime — prefs:root=FACETIME
- General — prefs:root=General
- Keyboard — prefs:root=General&path=Keyboard
- iCloud — prefs:root=CASTLE
- iCloud Storage & Backup — prefs:root=CASTLE&path=STORAGE_AND_BACKUP
- International — prefs:root=General&path=INTERNATIONAL
- Location Services — prefs:root=LOCATION_SERVICES
- Music — prefs:root=MUSIC
- Music Equalizer — prefs:root=MUSIC&path=EQ
- Music Volume Limit — prefs:root=MUSIC&path=VolumeLimit
- Network — prefs:root=General&path=Network
- Nike + iPod — prefs:root=NIKE_PLUS_IPOD
- Notes — prefs:root=NOTES
- Notification — prefs:root=NOTIFICATIONS_ID
- Phone — prefs:root=Phone
- Photos — prefs:root=Photos
- Profile — prefs:root=General&path=ManagedConfigurationList
- Reset — prefs:root=General&path=Reset
- Safari — prefs:root=Safari
- Siri — prefs:root=General&path=Assistant
- Sounds — prefs:root=Sounds
- Software Update — prefs:root=General&path=SOFTWARE_UPDATE_LINK
- Store — prefs:root=STORE
- Twitter — prefs:root=TWITTER
- Usage — prefs:root=General&path=USAGE
- VPN — prefs:root=General&path=Network/VPN
- Wallpaper — prefs:root=Wallpaper
- Wi-Fi — prefs:root=WIFI
- Setting —prefs:root=INTERNET_TETHERING