usernotifications

问题 I have a iphone app which is enable to receive push notifications. Currently i can disable push notifications for my app by going to the iphone settings/Notifications. But i want to add a switch or button inside my app to enable or disable push notifications. It can be done because i saw it in foursqure iphone app did it. They got a section in settings call notification settings and user can enable or disable different kind of notification for the app. I look all over the net to find a proper

问题 I am developing an iPhone alarm app based on local notifications. On deleting an alarm, the related local notification should get cancelled. But how can I determine exactly which object from the array of local notifications is to be cancelled? I am aware of [[UIApplication sharedApplication] cancelLocalNotification:notification] method but how can I get this \'notification\' to cancel it? 回答1: You can save a unique value for key in your local notification's userinfo. Get all local