On Apr 30, 12:59 pm, Meryeme Ayache <meryemeaya...@gmail.com> wrote:
>          I want to know how do applications work: I mean do they use
> intents that can be followed to know for example if an application had used
> a specific data. I mean in general how can we monitor the behavior of data
> and for example when it access to pictures or sms...

For things which exist as files, Android offers a wrapper for the
Linux inotify mechanism under a name like FileObserver or similar -
check the docs.

In general, remember that an Android device uses the unix userid model
(which should have been covered in a CS program) with the added twist
of running each application as a unique userid.

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