APP需要用到的許可權有時候沒有開啟,就需要提示使用者開啟某項許可權,最好是直接引導使用者跳轉到對應的設定介面。下面是一些直接跳轉到設定介面的方法。 #### 1、定位
//定位服務設定介面
NSURL *url = [NSURL URLWithString:@"prefs:root=LOCATION_SERVICES"];
if ([[UIApplication sharedApplication] canOpenURL:url]) {
[[UIApplication sharedApplication] openURL:url];
}
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#### 2、牆紙
//牆紙設定介面
NSURL *url = [NSURL URLWithString:@"prefs:root=Wallpaper"];
if ([[UIApplication sharedApplication] canOpenURL:url]) {
[[UIApplication sharedApplication] openURL:url];
}
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#### 3、藍芽
//藍芽設定介面
NSURL *url = [NSURL URLWithString:@"prefs:root=Bluetooth"];
if ([[UIApplication sharedApplication] canOpenURL:url]) {
[[UIApplication sharedApplication] openURL:url];
}
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#### 4、iCloud
//iCloud設定介面
NSURL *url = [NSURL URLWithString:@"prefs:root=CASTLE"];
if ([[UIApplication sharedApplication] canOpenURL:url] {
[[UIApplication sharedApplication] openURL:url];
}
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總結起來就是想要跳到哪個設定介面,就開啟prefs:root=對應的設定介面的值。 這個在iOS6,7和8中確實可以跳轉,只是還少了一個步驟。在URL Types中新增一個新項。某沒有深入研究,只填寫prefs就可以了。
在網上找到了一些整理好的對應的引數配置列表:
About — prefs:root=General&path=About //關於手機
Accessibility — prefs:root=General&path=ACCESSIBILITY //輔助功能
Airplane Mode On — prefs:root=AIRPLANE_MODE //飛航模式
Auto-Lock — prefs:root=General&path=AUTOLOCK //自動鎖屏
Brightness — prefs:root=Brightness //亮度
Bluetooth — prefs:root=General&path=Bluetooth //藍芽
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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