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(iPhone/iPad)代碼調用“設置”中的定位服務And系統其他相關功能設置

在安裝後第一次運行軟件時,系統會彈出提示用戶是否允許軟件獲取當前位置,如果用戶不允許的話,之後運行時系統不會在彈出提示設置,這點很不方便,有個解決辦法是給用戶一個選項,調出iphone中“設置”定位服務選項,由用戶手動設置,調用系統“設置”中定位服務相關代碼如下:

[cpp]

  1. -(IBAction)btnSetting:(id)sender{  
  2.     NSURL*url=[NSURL URLWithString:@"prefs:root=LOCATION_SERVICES"];  
  3.     [[UIApplication sharedApplication] openURL:url];  
  4. }  
還有其他調用系統設置的命令:

[font=]
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

相關調用代碼同上面的例子

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