I\'ve built an Android app which is now on Play Market. From time to time, I make updates to it, and I\'d like to let users know that a new version is available.
How
Generally when you upload a new application to Google play most users get a notification about an update, some will have the app automatically downloaded to their device, depending on the settings they have. If you seriously want to make a notification from your app to ask them to update (so that everyone gets the notification, whatever their Google play settings are, then you will have to make a web service which returns the number of the newest version. You can then compare that inside your app and post a notification. You could use Google App Engine ( https://developers.google.com/appengine/) because that works with eclipse and java, which you probably already have. I would not recommend this approach as it creates a lot of work for you to provide something that most users have already got.