import android.preference.PreferenceActivity;
import android.preference.PreferenceScreen;
+import java.util.ArrayList;
+import java.util.Collection;
+
/**
* The main settings activity.
*
public final class PreferencesActivity extends PreferenceActivity
implements OnSharedPreferenceChangeListener {
- static final String KEY_DECODE_1D = "preferences_decode_1D";
- static final String KEY_DECODE_QR = "preferences_decode_QR";
+ public static final String KEY_DECODE_1D = "preferences_decode_1D";
+ public static final String KEY_DECODE_QR = "preferences_decode_QR";
+ public static final String KEY_DECODE_DATA_MATRIX = "preferences_decode_Data_Matrix";
public static final String KEY_CUSTOM_PRODUCT_SEARCH = "preferences_custom_product_search";
- static final String KEY_PLAY_BEEP = "preferences_play_beep";
- static final String KEY_VIBRATE = "preferences_vibrate";
- static final String KEY_COPY_TO_CLIPBOARD = "preferences_copy_to_clipboard";
+ public static final String KEY_PLAY_BEEP = "preferences_play_beep";
+ public static final String KEY_VIBRATE = "preferences_vibrate";
+ public static final String KEY_COPY_TO_CLIPBOARD = "preferences_copy_to_clipboard";
+ public static final String KEY_FRONT_LIGHT = "preferences_front_light";
+ public static final String KEY_BULK_MODE = "preferences_bulk_mode";
- static final String KEY_HELP_VERSION_SHOWN = "preferences_help_version_shown";
+ public static final String KEY_HELP_VERSION_SHOWN = "preferences_help_version_shown";
+ public static final String KEY_NOT_OUR_RESULTS_SHOWN = "preferences_not_out_results_shown";
- CheckBoxPreference decode1D;
- CheckBoxPreference decodeQR;
+ private CheckBoxPreference decode1D;
+ private CheckBoxPreference decodeQR;
+ private CheckBoxPreference decodeDataMatrix;
@Override
protected void onCreate(Bundle icicle) {
preferences.getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
decode1D = (CheckBoxPreference) preferences.findPreference(KEY_DECODE_1D);
decodeQR = (CheckBoxPreference) preferences.findPreference(KEY_DECODE_QR);
+ decodeDataMatrix = (CheckBoxPreference) preferences.findPreference(KEY_DECODE_DATA_MATRIX);
+ disableLastCheckedPref();
}
- // Prevent the user from turning off both decode options
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
- if (key.equals(KEY_DECODE_1D)) {
- decodeQR.setEnabled(decode1D.isChecked());
- decodeQR.setChecked(true);
- } else if (key.equals(KEY_DECODE_QR)) {
- decode1D.setEnabled(decodeQR.isChecked());
- decode1D.setChecked(true);
+ disableLastCheckedPref();
+ }
+
+ private void disableLastCheckedPref() {
+ Collection<CheckBoxPreference> checked = new ArrayList<CheckBoxPreference>(3);
+ if (decode1D.isChecked()) {
+ checked.add(decode1D);
+ }
+ if (decodeQR.isChecked()) {
+ checked.add(decodeQR);
+ }
+ if (decodeDataMatrix.isChecked()) {
+ checked.add(decodeDataMatrix);
+ }
+ boolean disable = checked.size() < 2;
+ for (CheckBoxPreference pref : new CheckBoxPreference[] {decode1D, decodeQR, decodeDataMatrix}) {
+ pref.setEnabled(!(disable && checked.contains(pref)));
}
}
+
}