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Amazon-aws : Send Notification Type Of Push

I have a lambda function written and hosted on amazon lambda. Below is the code for that lambda:

const AWS = require('aws-sdk');

exports.handler = (event, context) => {

  console.log("Received event:", JSON.stringify(event, null, 2));

  const targetArn = event.TargetArn;
  const sns = new AWS.SNS();

  const payload = {
    default: "some default message",
    GCM: {
      notification: {
        title: "Sample title",
        body: "Sample Body"
      },
      data: {
        title: "Sample title",
        body: "Sample Body"
      }
    }
  };

  const params = {
   Subject: "some default subject",
   Message: JSON.stringify(payload),
   MessageStructure: "json",
   TargetArn: targetArn
  };

  console.log('PUBLISHING', JSON.stringify(params, null, 2));

  sns.publish(params, function(err, data) {

    console.log('PUBLISHED!');

    if (err) {
      console.log(err, err.stack);

      return {
        statusCode: 500,
        body: JSON.stringify({error: err})
      };
    } else {
      console.log('SUCCESS!', data);

      return {
          statusCode: 200,
          body: JSON.stringify(data)
      };
    }

  });

};

Now, when I test the lambda to test if I receive push on Android, I don't see whole message printed on console. Below is my code I used for logging on Android:

public class MyFirebaseMessagingService extends FirebaseMessagingService implements LifecycleObserver {

    public static final String ACTION_USER_FEEDBACK = "ACTION_UserFeedback";
    public static final String ARG_TITLE = "Title";
    public static final String ARG_BODY = "Body";
    private static final String TAG = MyFirebaseMessagingService.class.getSimpleName();

    @Override
    public void onMessageReceived(RemoteMessage remoteMessage) {
        Log.d(TAG, "onMessageReceived() called with: remoteMessage = [" + remoteMessage + "]");
        super.onMessageReceived(remoteMessage);

        if (remoteMessage.getData() != null) {
            for (Map.Entry<String, String> entry : remoteMessage.getData().entrySet()) {
                String key = entry.getKey();
                String value = entry.getValue();
                Log.d(TAG, "Data: key, " + key + " value " + value);
            }
            String title = remoteMessage.getData().get("title");
            String body = remoteMessage.getData().get("body");
            notifyActivity(title, body);
        }

        if (remoteMessage.getNotification() != null) {
            for (Map.Entry<String, String> entry : remoteMessage.getData().entrySet()) {
                String key = entry.getKey();
                String value = entry.getValue();
                Log.d(TAG, "Notification: key, " + key + " value " + value);
            }
        }
    }

    private void notifyActivity(String title, String body) {
        Intent intent = new Intent(ACTION_USER_FEEDBACK);
        intent.putExtra(ARG_TITLE, title);
        intent.putExtra(ARG_BODY, body);
        LocalBroadcastManager.getInstance(this).sendBroadcast(intent);
    }

    @Override
    public void onNewToken(String token) {
        sendRegistrationToServer(token);
    }

    private void sendRegistrationToServer(String token) {
        FCMTokenPreference.storeFCMDeviceToken(this, token);
        AWSRegistrationIntentService.start(this);
    }
}

Below is what I get on console when I test the lambda:

D/MyFirebaseMessagingService: onMessageReceived() called with: remoteMessage = [[email protected]] D/MyFirebaseMessagingService: Data: key, default value some default message

Aim is to send push notification that is of type Notification and not Data

Can anyone help me with this ?

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Answer

Very silly issue but Amazon should have handled it, Anyways.

You have to stringify GCM object in payload object

  const payload = { 
    "default": "User Feedback Request",
    "GCM":"{\"notification\":{\"title\":\"Sample title\",\"body\":\"Sample body\"},\"data\":{\"title\":\"Sample title\",\"body\":\"Sample body\"}}"
  };

And it works! Damn!

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source: stackoverflow.com
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