From 65a57f2b9cd43d3681f2029ef0fb23f55b85251e Mon Sep 17 00:00:00 2001
From: codeall9 <falling.snow9-chore1@yahoo.com>
Date: Sat, 18 May 2024 15:53:26 +0800
Subject: [PATCH] Remember group selection after screen rotate

Solution:
Restore _groupFilter as _prefGroupFilter in order to reapply correct filter after screen rotate
---
 .../aegis/ui/views/EntryListView.java         | 24 +++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/app/src/main/java/com/beemdevelopment/aegis/ui/views/EntryListView.java b/app/src/main/java/com/beemdevelopment/aegis/ui/views/EntryListView.java
index 3cbc4582..941757a6 100644
--- a/app/src/main/java/com/beemdevelopment/aegis/ui/views/EntryListView.java
+++ b/app/src/main/java/com/beemdevelopment/aegis/ui/views/EntryListView.java
@@ -59,6 +59,7 @@ import com.google.common.base.Strings;
 
 import java.util.Collection;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -169,6 +170,29 @@ public class EntryListView extends Fragment implements EntryAdapter.Listener {
         _preloadSizeProvider.setView(view);
     }
 
+    @Override
+    public void onViewStateRestored(@Nullable Bundle savedInstanceState) {
+        super.onViewStateRestored(savedInstanceState);
+        if (savedInstanceState == null) {
+            return;
+        }
+
+        HashSet<UUID> filter = (HashSet<UUID>) savedInstanceState.getSerializable("prefGroupFilter");
+        if (filter != null) {
+            _prefGroupFilter = filter;
+        }
+    }
+
+    @Override
+    public void onSaveInstanceState(@NonNull Bundle outState) {
+        super.onSaveInstanceState(outState);
+        // user can apply _groupFilter without saving
+        // restore _groupFilter as _prefGroupFilter in order to reapply correct filter after screen rotate
+        if (_groupFilter != null) {
+            outState.putSerializable("prefGroupFilter", new HashSet<>(_groupFilter));
+        }
+    }
+
     @Override
     public void onDestroyView() {
         _refresher.destroy();