I am planning to do small project which involves notification's widely but I have no idea where to start from, I need a particular type of notification's which is used in news paper app's. In this process the app will not be updated but still notify a user of new messages or events and I want to make the message appear in the status bar.
You'll need to learn about Google Cloud Messaging GCM tutorial
And you'll have to learn about Android NotificationManager Notification Manager tutorial. Good luck 👍