android - Can I register a new app to existing GCM server? -

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the app working on must implement push service. have alternative app developed using javascript , such , developed in parallel (different package name, etc). app has push implemented , server working. given server url , senderid used (based on guides):

instanceid instanceid = instanceid.getinstance(this);             string token = instanceid.gettoken(serverrequests.senderid,                     googlecloudmessaging.instance_id_scope, null);

then used token register on server instructed. problem not receiving messages. there missed? work without having make modifications (highly unlikely) on server ?

check api-key valid using method here: https://developers.google.com/cloud-messaging/http

checking validity of api key if receive authentication errors when sending messages, check validity of api key. example, on android, run following command:

# api_key=your_api_key  # curl --header "authorization: key=$api_key" \        --header content-type:"application/json" \        https://gcm-http.googleapis.com/gcm/send \        -d "{\"registration_ids\":[\"abc\"]}"

if receive 401 http status code, api key not valid. otherwise should see this:

{"multicast_id":6782339717028231855,"success":0,"failure":1, "canonical_ids":0,"results":[{"error":"invalidregistration"}]}

if want confirm validity of registration token, can replacing "abc" registration token.


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