On Wed, Apr 20, 2016 at 2:42 PM, Summers Pittman <supittma@redhat.com> wrote:
One of the things to consider is that applications re-register each time they load. 

right
 
So an app can move from being registered with a GCM.register token to being registered with a InstanceID token.

right, but until than ;-)
 

I think that instanceID tokens have ":"'s and GCM.register tokens do not.

right, 
 

We should probably make a contrived scenario where an app registered and then changes to InstanceID to see what happens.

I guess, it will get a token, following the new format.
 
  It SHOULDN'T get double messages because the app update relaunch step should break the old gcm token.  But we need to test it.

I think for apps that (for what ever reason) not upgrade to newest AGDroid SDK, we need to use the old way of pushing: query all tokens that do NOT have a : inside

-M

 

On Wed, Apr 20, 2016 at 7:33 AM, Matthias Wessendorf <matzew@apache.org> wrote:
Even if they were allowed... Apps, with older AGDroid SDKs aren't able to subscribe. That means if the UPS server updates, they all would receive no message :-)

Therefore that look up for 'old' tokens is generally needed 

On Wed, Apr 20, 2016 at 1:23 PM, Matthias Wessendorf <matzew@apache.org> wrote:


On Wed, Apr 20, 2016 at 12:19 PM, Matthias Wessendorf <matzew@apache.org> wrote:
Hi,

the format for tokens received from InstanceID API have a slightly different format:

It's basically (prefix_string : RegistrationID).

Now, in order to be able to subscribe on a topic is it _really_ required to have a 'new' InstanceID token ? I could not find a _clear_ statement

looks like InstanceID tokens are required:

But, on the other hand it does not mention that GCM.register() tokens are not allowed :-)
 

I am asking because I'm working on the server hook to send topic request.

If the answer yes, only InstanceID tokens can subscribe, we need a little switch on the server (not a show stopper):
1) send /topics/{something} (should not affect 'old' tokens_
2) fallback: find tokens w/o the ':', so we can fallback to pure registration Id for "non-Instance ID " tokens


Thanks,
Matthias

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