How to write a file for app but not used by user?

Question

I want to create a file t save some information for my app next time initial use. I want the file is place in program not in sd card. What position of the file I can set?

InputStreamReader fsr = new InputStreamReader(openFileInput(**what position** +"test.xml"));

Answer 1

Context.getDir() also return private directory of your application.

Answer 2

Use openFileInput()/openFileOutput(), which can be called for any Context (including your Activity).