gistfile1.java

protected boolean persistBoolean(boolean value) {
    if (shouldPersist()) {
        if (value == getPersistedBoolean(!value)) {
            // It's already there, so the same as persisting
            return true;
        }
       
        SharedPreferences.Editor editor = mPreferenceManager.getEditor();
        editor.putBoolean(mKey, value);
        tryCommit(editor);
        return true;
    }
    return false;
}