android - Is "Upstream Google Cloud Messaging and User Notifications Sign-up" compulsory? -

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is signup "upstream google cloud messaging , user notifications sign-up" @ link "https://services.google.com/fb/forms/gcm/" compulsory notification server app device?

i have created sample app , sending sample notification server. m getting "ok" response along message_id, assume means message has been accepted gcm bit message not getting delivered registered device? read somewhere gcm, registration link above required. tried didnt response google. missing anything?

harshil.

yes, compulsory. when sending message through gcm, need specify sender_id given when create project inside, , this, have sign up. if got ok response, doubt specified correct sender_id message got discarded.

maybe might help:


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