1. Getting your Sender ID ● STEP 1. Register Here. ● STEP 2. Click Create project. Your browser URL will change to something like https://code.google.com/apis/console/#project:3012522433520:services Take note of the value after #project:(3012522433520 in this example). This is your project ID. and it will be used later on as the GCM sender ID. This id will be used by the Android Device While Reg..