Where to get device token

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This process is now asynchronous. Google library automatically gets a token on your behalf. Send this to your servers, and start sending messages. A device token is an opaque NSData instance that contains a unique identifier assigned by Apple to a specific app on a specific device. Only APNs can decode and read the contents of a device token. Each app instance receives its unique device token when it registers with APNs. Apple assigns a Device Token on a per-app basis iOS 7 and later which is used as a unique identifier for sending push notifications.

Each device has two device tokens per app: one for development, and one for production ad hoc or app store builds. The tokens are 64 hexadecimal characters. This line should get you the firebase FCM token. Bkillnest Bkillnest 8 8 silver badges 16 16 bronze badges. Add a comment. Andrey Gagan addressed the Objective C solution quite well, but fortunately it's much simpler in swift: Swift 4. Jake Cronin Jake Cronin 10 10 silver badges 11 11 bronze badges.

Following code is use for the retrive the device token. Nimit Parekh Nimit Parekh This has never been the correct solution. Never base anything on the description. And the Swift version of the Wasif's answer: Swift 2. Antoine Antoine Never use description on binary data see any other answer — chris stamper. Andrey Gagan Andrey Gagan 1, 12 12 silver badges 12 12 bronze badges.

FYI - any answer that ever used description was always wrong. And this is only one possible solution to convert the token to a string. It will also work on ios8 or more.

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