David David - 1 year ago 143
iOS Question

Apple Push Notification Collapse Key Equivalent

When using Google push notifications, I am allowed to specify a collapse_key value so a device will not receive multiple notifications of the same collapse_key. Does APNS have a similar feature or does anyone know a way to emulate this functionality?

jsd jsd
Answer Source

There is no such feature in iOS. However, since push notifications are sent by a server that is in your control, you can keep track of which notifications you've sent to a particular device, and decide whether or not to send new ones. In other words, you put the logic in your server code, not your iOS app code.

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