is autoupdating possible in Android without using android market? [duplicate]

Question

Possible Duplicate:
Is there a way to automatically update application on Android?

As a property of an application(NOT USING GOOGLE PLAY), an auto-updating possible in android? I mean can a application check and download the new apk file, and install after downloading it?

Answer 1

Check out the CWAC-Updater project: https://github.com/commonsguy/cwac-updater

Answer 2

If you don't want to maintain you own update server, you may try this: auto-update-apk.com

Android client is open-source under Apache 2.0 license, so you may see how it works and make any changes, if necessary, before incorporating into your own project or using it as a starting point of your project.