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When I execute the following code:
Preferences.userRoot().nodeExists(strNodeName);
I get an exception :
java.util.prefs.BackingStoreException: Cannot get children names for User Preference Node: /!
Any idea ?
For storing user preferences, you’ll want to use android.content.SharedPreferences. A good article describing how to use it can be found here and the ApiDemos sample app has a demo as well.