[android-developers] Android shared preferences assignments not persisting between emulator sessions

I am using the following code to save data to my Android application's
shared preferences:

private SharedPreferences getOurSharedPreferences() {
return getSharedPreferences(SHARED_PREFS_FILENAME,
MODE_PRIVATE);
}

SharedPreferences sharedPrefs = getOurSharedPreferences();
SharedPreferences.Editor editor = sharedPrefs.edit();
editor.putString(keyName, theString);
if (!editor.commit())
throw new RuntimeException("Unable to save new string.");

// Get it back as a test.
String s2 = getStringFromStorage(keyName);

Where SHARED_PREFS_FILENAME is a private final static string and
keyName is the name of whatever key I'm currently using as a field
name. The commit works fine, I don't get an exception. As you can see
I added a test that retrieves the recently committed string and when I
check it (s2) the value is fine. So I am not having any problems with
shared preferences storage during the lifetime of my app. However,
when I relaunch the application in the emulator the shared preferences
storage area is empty and I can't find the values I stored in the last
emulator session. I did some reading and as far as I can see the
stored values should persist across sessions, apparently they are
saved in an XML file belonging to the emulator. Yet I am having
problems.

Can anyone tell me why my shared preferences storage values are not
persisting between Android emulator sessions?

-- roshcler

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