很多情况APP需要跳转系统设置界面，下面就是简单的实现。
NSString * urlString = @"App-Prefs:root=WIFI";
if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:urlString]]) {
if ([[UIDevice currentDevice].systemVersion doubleValue] >= 10.0) {
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString] options:@{} completionHandler:nil];
} else {
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString]];
}
}
无线局域网 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=Wallpaper
Siri App-Prefs:root=SIRI
隐私 App-Prefs:root=Privacy
Safari 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=Photos
FaceTime App-Prefs:root=FACETIME
