xcode 如何检查 iPhone 上是否启用了通知
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How to check that notifications are enabled on iPhone
提问by Oksana
How to check that notification is enabled on iPhone? I install the application, application say to confirm enable push notification for application, i click ok. But if notification disabled on iPhone, this action does not enable notifications. How to check that?
如何检查 iPhone 上是否启用了通知？我安装了应用程序，应用程序说要确认为应用程序启用推送通知，我点击确定。但是如果在 iPhone 上禁用通知，则此操作不会启用通知。如何检查？
回答by Zar
This should work:
这应该有效：
UIRemoteNotificationType types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
if (types == UIRemoteNotificationTypeNone)
// Disabled
回答by Shaheen Ghiassy
This changed in iOS8. To support both iOS8 and lower do
这在 iOS8 中发生了变化。支持iOS8及更低版本
+ (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;
}
