testing gcm push notification in android

Question

I used mark nutter phonegap plugin for GCM and I successfully get the registration id back from server

here is php script that I use

  <?php
           // Replace with real server API key from Google APIs  
            $apiKey = "AIzaSyC7wzEjjMaOGLYp8_w3USftv_3lI-qCdZ4";    

              // Replace with real client registration IDs
           $registrationIDs = array( "APA91bFt3slFE96jaB5qnoD5gR0TCwsxe5StEGyrECR0umYviG0cfG1JNnFxYqP1ERr1RoWc38rsuWjRUx5SZ7cgUNG9-mQ4mSsY8_XQLquft5DLnqWcLCEB2wtQpfA6EAp5OQmOWzpUZU5bohfG4sfLWNUco7XxXg");

          // Message to be sent
         $message = "hi SOurabh";

         // Set POST variables
        $url = 'https://android.googleapis.com/gcm/send';

       $fields = array(
       'registration_ids' => $registrationIDs,
         'data' => array( "message" => $message ),
        );
     $headers = array(
      'Authorization: key=' . $apiKey,
     'Content-Type: application/json'
      );

     // Open connection
          $ch = curl_init();

        // Set the url, number of POST vars, POST data
        curl_setopt( $ch, CURLOPT_URL, $url );
        curl_setopt( $ch, CURLOPT_POST, true );
        curl_setopt( $ch, CURLOPT_HTTPHEADER, $headers);
            curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
        //curl_setopt( $ch, CURLOPT_POSTFIELDS, json_encode( $fields ) );

         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
     //     curl_setopt($ch, CURLOPT_POST, true);
       //     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode( $fields ));

            // Execute post
         $result = curl_exec($ch);

        // Close connection
           curl_close($ch);
         echo $result;
          //print_r($result);
           //var_dump($result);
       ?>

I do not know much about php I used thi just to test notifications

and I get following message when I run this

{"multicast_id":9187695352946100598,"success":0,"failure":1,"canonical_ids":0,"results":[{"error":"MismatchSenderId"}]}

any idea why do I get this? or any other way to test the app?

Answer 1

Does the project ID that you used on the project match the one shown on the google console ?

https://code.google.com/apis/console/#project :?????

Does the API key belong under 'server apps' on the google GCM page ? Your phone must also have a valid registered google account to receive notifications.

Answer 2

I started to use your php-script to debug push notification on my app. First time I received the same error. Updating SENDER_ID value to Google API Console App Project ID in Android client application fixed the issue - messages are delivered successfully.