跳转app对应的系统通知设置
if (UIApplicationOpenSettingsURLString != NULL) {
UIApplication *application = [UIApplication sharedApplication];
NSURL *URL = [NSURL URLWithString:UIApplicationOpenSettingsURLString];
if ([application respondsToSelector:@selector(openURL:options:completionHandler:)]) {
[application openURL:URL options:@{} completionHandler:nil];
} else {
[application openURL:URL];
}
}
获取用户通知中心对程序消息通知的设置，是否开启消息通知
if ([[UIDevice currentDevice].systemVersion floatValue]>=8.0f) {
UIUserNotificationSettings *setting = [[UIApplication sharedApplication] currentUserNotificationSettings];
if (UIUserNotificationTypeNone == setting.types) {
NSLog(@"推送关闭");
}else{
NSLog(@"推送打开");
}
}else{
UIRemoteNotificationType type = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
if(UIRemoteNotificationTypeNone == type){
NSLog(@"推送关闭");
}else{
NSLog(@"推送打开");
}
}
在iOS应用程序中打开设备设置界面及其中某指定的选项界面
[[UIApplicationsharedApplication] openURL:[NSURL URLWithString:@”prefs:root=General”]];
[[UIApplicationsharedApplication] openURL:[NSURL URLWithString:@”prefs:root=General&path=Restrictions”]];
原文：https://www.cnblogs.com/KiVen2015/p/10826139.html