How to delete shared preferences data from App in Android

Question

How do I delete SharedPreferences data for my application?

I\'m creating an application that uses a lot of web services to sync data. For testing purposes, I need to

Answer 1

Seems that all solution is not completely working or out-dead

to clear all SharedPreferences in an Activity

PreferenceManager.getDefaultSharedPreferences(getBaseContext()).edit().clear().apply();

Call this from the Main Activity after onCreate

note* i used .apply() instead of .commit(), you are free to choose commit();