[aerogear-dev] FCM topic: use on alias as well ?

[Daniel Passos]

On Tue, May 30, 2017 at 9:43 AM, Matthias Wessendorf <matzew at apache.org>
wrote:

> Hi,
>
> on FCM related push, we do, in our client SDK, automatically subscribe a
> client to an annoymous topic, matching our immutable variant ID.
>
> If users are specifying categories, we do map those into topics as well.
>
> This is the related code in our Android SDK:
> https://github.com/aerogear/aerogear-android-push/blob/
> master/aerogear-android-push/src/main/java/org/jboss/
> aerogear/android/unifiedpush/fcm/AeroGearFCMPushRegistrar.java#L188-L193
>
> How do people feel about doing that for the alias as well ?
>

I really like that idea.


>
> In the past we did not do it, since topics used to be a more restricted
> resource. Remember, the first notion of topics (GCM v3, at that time) were
> even limiting the number of max. subscribers?
>

> However, that changed, and I think it would be nice if we just use the
> topics for each alias of the app as well. This would speed up the time to
> deliver the push request to the FCM backend, since the UPS would no longer
> need to look up the device, a push, regardless how many devices, means one
> small HTTP to Google, per alias (aka topic)
>
> Any thoughts ?
>
> NOTE: There is a general limit of topic abuse, but that's on the app
> instance (see [1]), so our APP Developers need to make sure they don't go
> crazy w/ a gazillion of categories ;-)
>

Just a heads up about topics limit =>
https://stackoverflow.com/questions/38171259/maximum-number-of-topics-a-device-can-subscribe-to-in-fcm


>
> -Matthias
>
>
> [1] https://firebase.google.com/docs/cloud-messaging/admin/errors
>
> --
> Matthias Wessendorf
>
> blog: http://matthiaswessendorf.wordpress.com/
> twitter: http://twitter.com/mwessendorf
>
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>



-- 
-- Passos
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