我正在寻找一种方法来确定用户是否有,通过设置,启用或禁用他们的推送通知我的应用程序。
当前回答
调用enabledremotenotificationsttypes并检查掩码。
例如:
UIRemoteNotificationType types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
if (types == UIRemoteNotificationTypeNone)
// blah blah blah
iOS8及以上:
[[UIApplication sharedApplication] isRegisteredForRemoteNotifications]
其他回答
调用enabledremotenotificationsttypes并检查掩码。
例如:
UIRemoteNotificationType types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
if (types == UIRemoteNotificationTypeNone)
// blah blah blah
iOS8及以上:
[[UIApplication sharedApplication] isRegisteredForRemoteNotifications]
下面是一个完整的例子,涵盖了iOS8和iOS7(以及更低版本)。请注意,在iOS8之前,你无法区分“禁用远程通知”和“仅启用锁屏查看”。
BOOL remoteNotificationsEnabled = false, noneEnabled,alertsEnabled, badgesEnabled, soundsEnabled;
if ([[UIApplication sharedApplication] respondsToSelector:@selector(registerUserNotificationSettings:)]) {
// iOS8+
remoteNotificationsEnabled = [UIApplication sharedApplication].isRegisteredForRemoteNotifications;
UIUserNotificationSettings *userNotificationSettings = [UIApplication sharedApplication].currentUserNotificationSettings;
noneEnabled = userNotificationSettings.types == UIUserNotificationTypeNone;
alertsEnabled = userNotificationSettings.types & UIUserNotificationTypeAlert;
badgesEnabled = userNotificationSettings.types & UIUserNotificationTypeBadge;
soundsEnabled = userNotificationSettings.types & UIUserNotificationTypeSound;
} else {
// iOS7 and below
UIRemoteNotificationType enabledRemoteNotificationTypes = [UIApplication sharedApplication].enabledRemoteNotificationTypes;
noneEnabled = enabledRemoteNotificationTypes == UIRemoteNotificationTypeNone;
alertsEnabled = enabledRemoteNotificationTypes & UIRemoteNotificationTypeAlert;
badgesEnabled = enabledRemoteNotificationTypes & UIRemoteNotificationTypeBadge;
soundsEnabled = enabledRemoteNotificationTypes & UIRemoteNotificationTypeSound;
}
if ([[UIApplication sharedApplication] respondsToSelector:@selector(registerUserNotificationSettings:)]) {
NSLog(@"Remote notifications enabled: %@", remoteNotificationsEnabled ? @"YES" : @"NO");
}
NSLog(@"Notification type status:");
NSLog(@" None: %@", noneEnabled ? @"enabled" : @"disabled");
NSLog(@" Alerts: %@", alertsEnabled ? @"enabled" : @"disabled");
NSLog(@" Badges: %@", badgesEnabled ? @"enabled" : @"disabled");
NSLog(@" Sounds: %@", soundsEnabled ? @"enabled" : @"disabled");
我尝试使用@Shaheen ghassy提供的解决方案支持iOS 10及以上版本,但发现剥夺问题enabledRemoteNotificationTypes。所以,我找到的解决方案是使用isregisteredforremotenotification而不是enabledRemoteNotificationTypes,这在iOS 8中已弃用。下面是我最新的解决方案,对我来说非常有效:
- (BOOL)notificationServicesEnabled {
BOOL isEnabled = NO;
if ([[UIApplication sharedApplication] respondsToSelector:@selector(currentUserNotificationSettings)]){
UIUserNotificationSettings *notificationSettings = [[UIApplication sharedApplication] currentUserNotificationSettings];
if (!notificationSettings || (notificationSettings.types == UIUserNotificationTypeNone)) {
isEnabled = NO;
} else {
isEnabled = YES;
}
} else {
if ([[UIApplication sharedApplication] isRegisteredForRemoteNotifications]) {
isEnabled = YES;
} else{
isEnabled = NO;
}
}
return isEnabled;
}
我们可以很容易地调用这个函数,访问它的Bool值,并将其转换为字符串值:
NSString *str = [self notificationServicesEnabled] ? @"YES" : @"NO";
希望它也能帮助到其他人:) 快乐的编码。
为了完成这个答案,它可以这样工作……
UIRemoteNotificationType types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
switch (types) {
case UIRemoteNotificationTypeAlert:
case UIRemoteNotificationTypeBadge:
// For enabled code
break;
case UIRemoteNotificationTypeSound:
case UIRemoteNotificationTypeNone:
default:
// For disabled code
break;
}
编辑:这是不对的。因为这些是位智慧的东西,它不会与开关工作,所以我结束使用这个:
UIRemoteNotificationType types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
UIRemoteNotificationType typesset = (UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeBadge);
if((types & typesset) == typesset)
{
CeldaSwitch.chkSwitch.on = true;
}
else
{
CeldaSwitch.chkSwitch.on = false;
}
在尝试同时支持iOS8和更低版本时,我并没有像Kevin建议的那样使用isregisteredforremotenotifations。相反,我使用了currentUserNotificationSettings,它在我的测试中工作得很好。
+ (BOOL)notificationServicesEnabled {
BOOL isEnabled = NO;
if ([[UIApplication sharedApplication] respondsToSelector:@selector(currentUserNotificationSettings)]){
UIUserNotificationSettings *notificationSettings = [[UIApplication sharedApplication] currentUserNotificationSettings];
if (!notificationSettings || (notificationSettings.types == UIUserNotificationTypeNone)) {
isEnabled = NO;
} else {
isEnabled = YES;
}
} else {
UIRemoteNotificationType types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
if (types & UIRemoteNotificationTypeAlert) {
isEnabled = YES;
} else{
isEnabled = NO;
}
}
return isEnabled;
}
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