How to make apk file to not be deleted?

You need to make it so that after installation it was impossible to remove, maybe someone knows which class to use or any tutorial on the Internet not found
July 9th 19 at 11:25
1 answer
July 9th 19 at 11:27
Make the application directory and the file itself is immutable and place them in the /system directory.
And how exactly do immutable, I in system files does not understand - nicolette commented on July 9th 19 at 11:30
)) - mercedes commented on July 9th 19 at 11:33
: I suggest You, after all, to deal first with the work axis and then - is something to try to do.... - Kyleigh_Hills commented on July 9th 19 at 11:36
you rightly suggested in which direction you should continue to study the issue. - Payton2 commented on July 9th 19 at 11:39

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