Android: how to call method only on installation of App

Question

I need to call a method (or start an activity, or something else) that will update a file containing data the app needs.

But I want it to be done only once, when the

Answer 1

You can do it by using SharedPrefrences . Look this:

SharedPreferences ratePrefs = getSharedPreferences("First Update", 0);
        if (!ratePrefs.getBoolean("FrstTime", false)) {

        // Do update you want here

        Editor edit = ratePrefs.edit();
        edit.putBoolean("FrstTime", true);
        edit.commit();
        }