private void assurePlayerInit() {
PreferenceHelper.clearPerson(getActivity());
if (null == mPerson) {
mPerson = PreferenceHelper.getPerson(getActivity());
}
}
private void savePerson(Activity activity) {
mPerson = new Person(mFirstName.getText().toString(), mSelectedAvatar);
PreferenceHelper.writeToPreferences(activity, mPerson);
}