Create System Application

Question

What I should to do to create a system app (to obtain rights to use android:sharedUserId=\"android.uid.system\"in manifest file without receiving an error from

Answer 1

There is two types of system apps.

Type 1: The App which is in the same signature of the Device ROM .

Type 2: The Signed app which is in system/priv-app ( Might differ based on adnroid version ) in your device storage location .

Visit this link -> http://www.archive.ricston.com/blog/explaining-behavior-android-application-system-apps-nonsystem-apps/