Emotion investment is cost minimum, the highest return on investment of all investments.
以前用的是这些：
蜂窝网络：prefs:root=MOBILE_DATA_SETTINGS_ID
Wi-Fi：prefs:root=WIFI
定位服务：prefs:root=LOCATION_SERVICES
个人热点：prefs:root=INTERNET_TETHERING
关于本机：prefs:root=General&path=About
辅助功能：prefs:root=General&path=ACCESSIBILITY
飞行模式：prefs:root=AIRPLANE_MODE
锁定：prefs:root=General&path=AUTOLOCK
亮度：prefs:root=Brightness
蓝牙：prefs:root=Bluetooth
时间设置：prefs:root=General&path=DATE_AND_TIME
FaceTime：prefs:root=FACETIME
设置：prefs:root=General设置 prefs:root=SETTING
定位服务 prefs:root=LOCATION_SERVICES
键盘设置：prefs:root=General&path=Keyboard
iCloud：prefs:root=CASTLE
iCloud备份：prefs:root=CASTLE&path=STORAGE_AND_BACKUP
语言：prefs:root=General&path=INTERNATIONAL
定位：prefs:root=LOCATION_SERVICES
音乐：prefs:root=MUSIC
现在改为下面这些：
Wi-Fi: App-Prefs:root=WIFI
蓝牙: App-Prefs:root=Bluetooth
蜂窝移动网络: App-Prefs:root=MOBILE_DATA_SETTINGS_ID
个人热点: App-Prefs:root=INTERNET_TETHERING
运营商: App-Prefs:root=Carrier
通知: App-Prefs:root=NOTIFICATIONS_ID
通用: App-Prefs:root=General
通用-关于本机: App-Prefs:root=General&path=About
通用-键盘: App-Prefs:root=General&path=Keyboard
通用-辅助功能: App-Prefs:root=General&path=ACCESSIBILITY
通用-语言与地区: App-Prefs:root=General&path=INTERNATIONAL
通用-还原: App-Prefs:root=Reset
墙纸: App-Prefs:root=WallpaperSiri: App-Prefs:root=SIRI
隐私: App-Prefs:root=Privacy
定位: App-Prefs:root=LOCATION_SERVICESSafari: App-Prefs:root=SAFARI
音乐: App-Prefs:root=MUSIC
音乐-均衡器: App-Prefs:root=MUSIC&path=com.apple.Music:EQ
照片与相机: App-Prefs:root=PhotosFaceTime: App-Prefs:root=FACETIME
例如跳转到蓝牙设置：
NSURL *url = [NSURL URLWithString:@“App-Prefs:root=Bluetooth”];
if ([[UIApplication sharedApplication]canOpenURL:url]) {
[[UIApplication sharedApplication]openURL:url];
}