i need to open a pdf file from my android app. I have the pdf saved in the app package folder (/data/data/com.app.example/files). I have installed in the android emulator the ad
Don't use the direct path to access files in application's private to your application. Instead use
FileOutputStream fos = openFileOutput(FILENAME, Context.MODE_PRIVATE);
Refer: http://developer.android.com/guide/topics/data/data-storage.html#filesInternal