Firebase Cookbook

How to do it...

Let's see how we can unleash the power of push messages. The API is simple and the way to do has never been easier, so let's how we can do that!

1. Let's write down the following code over our firebase-messaging-sw.js file:

   // [*] Special object let us handle our Background Push             Notifications            messaging.setBackgroundMessageHandler(function(payload)      { return      self.registration.showNotification(payload.data.title,            body: payload.data.body);      });

Let's explain the preceding code:

• We're using the already created messaging object created using the Firebase messaging library, and we're calling. the setBackgroundMessageHandler() function. This will mean that we will catch all the messages that we will keep receiving in the background. ...