How do I get my Android Server API Key?
Steps to get your Google Cloud Messaging (GCM) Server API Key:
- Visit the Google Services section in the Developers console
- Select your application if present, else create a new one by entering your App Name and Package Name
- If "Cloud Messaging: Enabled for your app" is shown, continue to step 5
- Click the "Enable Google Cloud Messaging" button to enable GCM for this app
- Copy the Server API Key