add feed sort menu item

app/src/main/java/de/danoeh/antennapod/dialog/FeedSortDialog.java

@@ -0,0 +1,40 @@
+package de.danoeh.antennapod.dialog;
+
+import android.content.Context;
+
+import androidx.appcompat.app.AlertDialog;
+
+import org.greenrobot.eventbus.EventBus;
+
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.core.event.UnreadItemsUpdateEvent;
+import de.danoeh.antennapod.core.preferences.UserPreferences;
+
+public class FeedSortDialog {
+    public static void showDialog(Context context) {
+        AlertDialog.Builder dialog = new AlertDialog.Builder(context);
+        dialog.setTitle(context.getString(R.string.pref_nav_drawer_feed_order_title));
+        dialog.setNegativeButton(android.R.string.cancel, (d, listener) -> d.dismiss());
+
+        int selectedIndexTemp = 0;
+        int selected = UserPreferences.getFeedOrder();
+        String[] entryValues = context.getResources().getStringArray(R.array.nav_drawer_feed_order_values);
+        for (int i = 0; i < entryValues.length; i++) {
+            if (Integer.parseInt(entryValues[i]) == selected) {
+                selectedIndexTemp = i;
+            }
+        }
+
+        final int selectedIndex = selectedIndexTemp;
+        String[] items = context.getResources().getStringArray(R.array.nav_drawer_feed_order_options);
+        dialog.setSingleChoiceItems(items, selectedIndex, (d, which) -> {
+            if (selectedIndex != which) {
+                UserPreferences.setFeedOrder(entryValues[which]);
+                //Update subscriptions
+                EventBus.getDefault().post(new UnreadItemsUpdateEvent());
+            }
+            d.dismiss();
+        });
+        dialog.show();
+    }
+}

app/src/main/java/de/danoeh/antennapod/fragment/SubscriptionFragment.java

@@ -46,6 +46,7 @@ import de.danoeh.antennapod.core.util.FeedItemUtil;
 import de.danoeh.antennapod.core.util.IntentUtils;
 import de.danoeh.antennapod.core.util.download.AutoUpdateManager;
 import de.danoeh.antennapod.dialog.FeedFilterDialog;
+import de.danoeh.antennapod.dialog.FeedSortDialog;
 import de.danoeh.antennapod.dialog.RenameFeedDialog;
 import de.danoeh.antennapod.menuhandler.MenuItemUtils;
 import de.danoeh.antennapod.view.EmptyViewHandler;
@@ -131,6 +132,8 @@ public class SubscriptionFragment extends Fragment {
             case R.id.subscriptions_filter:
                 FeedFilterDialog.showDialog(requireContext());
                 return true;
+            case R.id.subscriptions_sort:
+                FeedSortDialog.showDialog(requireContext());
             case R.id.subscription_num_columns_2:
                 setColumnNumber(2);
                 return true;

app/src/main/res/menu/subscriptions.xml

@@ -14,6 +14,10 @@
             android:id="@+id/subscriptions_filter"
             android:title="@string/filter"
             custom:showAsAction="never" />
+    <item
+            android:id="@+id/subscriptions_sort"
+            android:title="@string/sort_order"
+            custom:showAsAction="never" />
     <item
             android:id="@+id/subscription_num_columns"
             android:title="@string/subscription_num_columns"

core/src/main/java/de/danoeh/antennapod/core/preferences/UserPreferences.java

@@ -246,6 +246,12 @@ public class UserPreferences {
         return Integer.parseInt(value);
     }
 
+    public static void setFeedOrder(String selected) {
+        prefs.edit()
+                .putString(PREF_DRAWER_FEED_ORDER, selected)
+                .commit();
+    }
+
     public static int getFeedCounterSetting() {
         String value = prefs.getString(PREF_DRAWER_FEED_COUNTER, "" + FEED_COUNTER_SHOW_NEW);
         return Integer.parseInt(value);

core/src/main/res/values/strings.xml

@@ -723,6 +723,7 @@
     <string name="search_powered_by">Search powered by %1$s</string>
 
     <string name="filter">Filter</string>
+    <string name="sort_order">Sort order</string>
     
     <!-- Episodes apply actions -->
     <string name="all_label">All</string>