iOS通过URL打开Settings

[[UIApplicationsharedApplication]openURL:[NSURLURLWithString:@"prefs:root=LOCATION_SERVICES"]];

    设置中的各种功能

    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

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