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I try to migrate to GCM and I have an issue with the SENDER_ID I need to provide. I use the demo project from google. In this project I need, if I understand this well, to provide a SENDER_ID to the application in the CommonUtilities.java file.
The SENDER_ID I provided is the API key I registered on https://code.google.com/apis/console/ and has this form: AIzaSyAxxxxxxx_xxxxxxxxxxxnoGZw (total 40 chars).
Using this string as SENDER_ID I get on "BroadcastReceiver mHandleMessageReceiver" an error message: From GCM: error (INVALID_SENDER)..
Where is the mistake? The string I provide is not the SENDER_ID?
Thank you.
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Google Cloud Messaging (GCM) Sender ID: A unique numerical value which is created when you configure your Project in the Google Developers Console/ Google Cloud Console.
GCM API Key Then click on Dashboard, followed by “Enable API” on the right. Once done, search for “google cloud messaging” in the text box and click on it. You will be redirected to Google Cloud Messaging overview page, and then just click on “Enable” at the top. Go to “Credentials” tab available in left sidebar.
Firebase Cloud Messaging (FCM), formerly known as Google Cloud Messaging (GCM), is a cross-platform cloud solution for messages and notifications for Android, iOS, and web applications, which as of June 2022 can be used at no cost.
No, the SENDER_ID is the project ID you signed up at Google API console, it should a numeric string. e.g. on your browser URI, you should see this:
https://code.google.com/apis/console/#project:4815162342 The Sender ID is 4815162342
Updated Answer:
Google has not updated its docs completely. The above answer is old and its based on this documentation and it seems that its still not updated.
According to updated Google docs, it seems that Project Number on Google API Console is used as SENDER ID
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