static final String KEY_DECODE_1D = "preferences_decode_1D";
static final String KEY_DECODE_QR = "preferences_decode_QR";
static final String KEY_PLAY_BEEP = "preferences_play_beep";
+ static final String KEY_HELP_VERSION_SHOWN = "preferences_help_version_shown";
CheckBoxPreference mDecode1D;
CheckBoxPreference mDecodeQR;