how to restrict user to uninstall application from android mobile

Question

I want to develop an application which will not uninstall from mobile without authentication if there is any solution regarding this feature please give me any solution.

Waiting for reply.

Answer 1

You can't do that. If you could it would be a security breach.

Answer 2

You need to push your apk to /system/app. To do that you need to root your device.

Just have a look: http://www.addictivetips.com/mobile/how-to-install-any-app-as-system-app-on-android/