diff --git a/tools/aapt2/Resource.h b/tools/aapt2/Resource.h
index 0d261ab..e51477c 100644
--- a/tools/aapt2/Resource.h
+++ b/tools/aapt2/Resource.h
@@ -249,6 +249,8 @@
 
   // Flag
   std::optional<FeatureFlagAttribute> flag;
+
+  bool uses_readwrite_feature_flags = false;
 };
 
 /**
diff --git a/tools/aapt2/ResourceTable.cpp b/tools/aapt2/ResourceTable.cpp
index 5435cba2..db7dddc 100644
--- a/tools/aapt2/ResourceTable.cpp
+++ b/tools/aapt2/ResourceTable.cpp
@@ -664,6 +664,7 @@
     if (!config_value->value) {
       // Resource does not exist, add it now.
       config_value->value = std::move(res.value);
+      config_value->uses_readwrite_feature_flags = res.uses_readwrite_feature_flags;
     } else {
       // When validation is enabled, ensure that a resource cannot have multiple values defined for
       // the same configuration unless protected by flags.
@@ -681,12 +682,14 @@
                                ConfigKey{&res.config, res.product}, lt_config_key_ref()),
               util::make_unique<ResourceConfigValue>(res.config, res.product));
           (*it)->value = std::move(res.value);
+          (*it)->uses_readwrite_feature_flags = res.uses_readwrite_feature_flags;
           break;
         }
 
         case CollisionResult::kTakeNew:
           // Take the incoming value.
           config_value->value = std::move(res.value);
+          config_value->uses_readwrite_feature_flags = res.uses_readwrite_feature_flags;
           break;
 
         case CollisionResult::kConflict:
@@ -843,6 +846,12 @@
   return *this;
 }
 
+NewResourceBuilder& NewResourceBuilder::SetUsesReadWriteFeatureFlags(
+    bool uses_readwrite_feature_flags) {
+  res_.uses_readwrite_feature_flags = uses_readwrite_feature_flags;
+  return *this;
+}
+
 NewResource NewResourceBuilder::Build() {
   return std::move(res_);
 }
diff --git a/tools/aapt2/ResourceTable.h b/tools/aapt2/ResourceTable.h
index b0e1855..778b43a 100644
--- a/tools/aapt2/ResourceTable.h
+++ b/tools/aapt2/ResourceTable.h
@@ -104,6 +104,9 @@
   // The actual Value.
   std::unique_ptr<Value> value;
 
+  // Whether the value uses read/write feature flags
+  bool uses_readwrite_feature_flags = false;
+
   ResourceConfigValue(const android::ConfigDescription& config, android::StringPiece product)
       : config(config), product(product) {
   }
@@ -284,6 +287,7 @@
   std::optional<AllowNew> allow_new;
   std::optional<StagedId> staged_id;
   bool allow_mangled = false;
+  bool uses_readwrite_feature_flags = false;
 };
 
 struct NewResourceBuilder {
@@ -297,6 +301,7 @@
   NewResourceBuilder& SetAllowNew(AllowNew allow_new);
   NewResourceBuilder& SetStagedId(StagedId id);
   NewResourceBuilder& SetAllowMangled(bool allow_mangled);
+  NewResourceBuilder& SetUsesReadWriteFeatureFlags(bool uses_feature_flags);
   NewResource Build();
 
  private:
diff --git a/tools/aapt2/cmd/Link.cpp b/tools/aapt2/cmd/Link.cpp
index 2a79216..755dbb6 100644
--- a/tools/aapt2/cmd/Link.cpp
+++ b/tools/aapt2/cmd/Link.cpp
@@ -673,11 +673,13 @@
 
               // Update the output format of this XML file.
               file_ref->type = XmlFileTypeForOutputFormat(options_.output_format);
-              bool result = table->AddResource(NewResourceBuilder(file.name)
-                                                   .SetValue(std::move(file_ref), file.config)
-                                                   .SetAllowMangled(true)
-                                                   .Build(),
-                                               context_->GetDiagnostics());
+              bool result = table->AddResource(
+                  NewResourceBuilder(file.name)
+                      .SetValue(std::move(file_ref), file.config)
+                      .SetAllowMangled(true)
+                      .SetUsesReadWriteFeatureFlags(doc->file.uses_readwrite_feature_flags)
+                      .Build(),
+                  context_->GetDiagnostics());
               if (!result) {
                 return false;
               }
diff --git a/tools/aapt2/format/binary/BinaryResourceParser.cpp b/tools/aapt2/format/binary/BinaryResourceParser.cpp
index 2e20e81..bac871b 100644
--- a/tools/aapt2/format/binary/BinaryResourceParser.cpp
+++ b/tools/aapt2/format/binary/BinaryResourceParser.cpp
@@ -414,6 +414,8 @@
         .SetId(res_id, OnIdConflict::CREATE_ENTRY)
         .SetAllowMangled(true);
 
+    res_builder.SetUsesReadWriteFeatureFlags(entry->uses_feature_flags());
+
     if (entry->flags() & ResTable_entry::FLAG_PUBLIC) {
       Visibility visibility{Visibility::Level::kPublic};
 
diff --git a/tools/aapt2/format/binary/ResEntryWriter.cpp b/tools/aapt2/format/binary/ResEntryWriter.cpp
index 9dc205f..0be3921 100644
--- a/tools/aapt2/format/binary/ResEntryWriter.cpp
+++ b/tools/aapt2/format/binary/ResEntryWriter.cpp
@@ -199,6 +199,10 @@
     flags |= ResTable_entry::FLAG_WEAK;
   }
 
+  if (entry->uses_readwrite_feature_flags) {
+    flags |= ResTable_entry::FLAG_USES_FEATURE_FLAGS;
+  }
+
   if constexpr (std::is_same_v<ResTable_entry_ext, T>) {
     flags |= ResTable_entry::FLAG_COMPLEX;
   }
diff --git a/tools/aapt2/format/binary/ResEntryWriter.h b/tools/aapt2/format/binary/ResEntryWriter.h
index c11598e..f54b29a 100644
--- a/tools/aapt2/format/binary/ResEntryWriter.h
+++ b/tools/aapt2/format/binary/ResEntryWriter.h
@@ -38,6 +38,8 @@
 
   // The entry string pool index to the entry's name.
   uint32_t entry_key;
+
+  bool uses_readwrite_feature_flags;
 };
 
 // Pair of ResTable_entry and Res_value. These pairs are stored sequentially in values buffer.
diff --git a/tools/aapt2/format/binary/TableFlattener.cpp b/tools/aapt2/format/binary/TableFlattener.cpp
index 1a82021..50144ae 100644
--- a/tools/aapt2/format/binary/TableFlattener.cpp
+++ b/tools/aapt2/format/binary/TableFlattener.cpp
@@ -502,7 +502,8 @@
         // Group values by configuration.
         for (auto& config_value : entry.values) {
           config_to_entry_list_map[config_value->config].push_back(
-              FlatEntry{&entry, config_value->value.get(), local_key_index});
+              FlatEntry{&entry, config_value->value.get(), local_key_index,
+                        config_value->uses_readwrite_feature_flags});
         }
       }
 
diff --git a/tools/aapt2/format/binary/TableFlattener_test.cpp b/tools/aapt2/format/binary/TableFlattener_test.cpp
index 0f11685..9156b96 100644
--- a/tools/aapt2/format/binary/TableFlattener_test.cpp
+++ b/tools/aapt2/format/binary/TableFlattener_test.cpp
@@ -1069,4 +1069,23 @@
               testing::IsTrue());
 }
 
+TEST_F(TableFlattenerTest, UsesReadWriteFeatureFlagSerializesCorrectly) {
+  std::unique_ptr<ResourceTable> table =
+      test::ResourceTableBuilder()
+          .Add(NewResourceBuilder("com.app.a:color/foo")
+                   .SetValue(util::make_unique<BinaryPrimitive>(
+                       uint8_t(Res_value::TYPE_INT_COLOR_ARGB8), 0xffaabbcc))
+                   .SetUsesReadWriteFeatureFlags(true)
+                   .SetId(0x7f020000)
+                   .Build())
+          .Build();
+  ResTable res_table;
+  TableFlattenerOptions options;
+  ASSERT_TRUE(Flatten(context_.get(), options, table.get(), &res_table));
+
+  uint32_t flags;
+  ASSERT_TRUE(res_table.getResourceEntryFlags(0x7f020000, &flags));
+  ASSERT_EQ(flags, ResTable_entry::FLAG_USES_FEATURE_FLAGS);
+}
+
 }  // namespace aapt
diff --git a/tools/aapt2/link/FlaggedResources_test.cpp b/tools/aapt2/link/FlaggedResources_test.cpp
index dbef776..47a71fe 100644
--- a/tools/aapt2/link/FlaggedResources_test.cpp
+++ b/tools/aapt2/link/FlaggedResources_test.cpp
@@ -14,6 +14,9 @@
  * limitations under the License.
  */
 
+#include <regex>
+#include <string>
+
 #include "LoadedApk.h"
 #include "cmd/Dump.h"
 #include "io/StringStream.h"
@@ -183,4 +186,49 @@
       "Only read only flags may be used with resources: test.package.rwFlag"));
 }
 
+TEST_F(FlaggedResourcesTest, ReadWriteFlagInXmlGetsFlagged) {
+  auto apk_path = file::BuildPath({android::base::GetExecutableDirectory(), "resapp.apk"});
+  auto loaded_apk = LoadedApk::LoadApkFromPath(apk_path, &noop_diag);
+
+  std::string output;
+  DumpChunksToString(loaded_apk.get(), &output);
+
+  // The actual line looks something like:
+  // [ResTable_entry] id: 0x0000 name: layout1 keyIndex: 14 size: 8 flags: 0x0010
+  //
+  // This regex matches that line and captures the name and the flag value for checking.
+  std::regex regex("[0-9a-zA-Z:_\\]\\[ ]+name: ([0-9a-zA-Z]+)[0-9a-zA-Z: ]+flags: (0x\\d{4})");
+  std::smatch match;
+
+  std::stringstream ss(output);
+  std::string line;
+  bool found = false;
+  int fields_flagged = 0;
+  while (std::getline(ss, line)) {
+    bool first_line = false;
+    if (line.contains("config: v36")) {
+      std::getline(ss, line);
+      first_line = true;
+    }
+    if (!line.contains("flags")) {
+      continue;
+    }
+    if (std::regex_search(line, match, regex) && (match.size() == 3)) {
+      unsigned int hex_value;
+      std::stringstream hex_ss;
+      hex_ss << std::hex << match[2];
+      hex_ss >> hex_value;
+      if (hex_value & android::ResTable_entry::FLAG_USES_FEATURE_FLAGS) {
+        fields_flagged++;
+        if (first_line && match[1] == "layout1") {
+          found = true;
+        }
+      }
+    }
+  }
+  ASSERT_TRUE(found) << "No entry for layout1 at v36 with FLAG_USES_FEATURE_FLAGS bit set";
+  // There should only be 1 entry that has the FLAG_USES_FEATURE_FLAGS bit of flags set to 1
+  ASSERT_EQ(fields_flagged, 1);
+}
+
 }  // namespace aapt
diff --git a/tools/aapt2/link/FlaggedXmlVersioner.cpp b/tools/aapt2/link/FlaggedXmlVersioner.cpp
index 75c6f17..8a3337c 100644
--- a/tools/aapt2/link/FlaggedXmlVersioner.cpp
+++ b/tools/aapt2/link/FlaggedXmlVersioner.cpp
@@ -66,6 +66,28 @@
   bool had_flags_ = false;
 };
 
+// An xml visitor that goes through the a doc and determines if any elements are behind a flag.
+class FindFlagsVisitor : public xml::Visitor {
+ public:
+  void Visit(xml::Element* node) override {
+    if (had_flags_) {
+      return;
+    }
+    auto* attr = node->FindAttribute(xml::kSchemaAndroid, xml::kAttrFeatureFlag);
+    if (attr != nullptr) {
+      had_flags_ = true;
+      return;
+    }
+    VisitChildren(node);
+  }
+
+  bool HadFlags() const {
+    return had_flags_;
+  }
+
+  bool had_flags_ = false;
+};
+
 std::vector<std::unique_ptr<xml::XmlResource>> FlaggedXmlVersioner::Process(IAaptContext* context,
                                                                             xml::XmlResource* doc) {
   std::vector<std::unique_ptr<xml::XmlResource>> docs;
@@ -74,15 +96,20 @@
     // Support for read/write flags was added in baklava so if the doc will only get used on
     // baklava or later we can just return the original doc.
     docs.push_back(doc->Clone());
+    FindFlagsVisitor visitor;
+    doc->root->Accept(&visitor);
+    docs.back()->file.uses_readwrite_feature_flags = visitor.HadFlags();
   } else {
     auto preBaklavaVersion = doc->Clone();
     AllDisabledFlagsVisitor visitor;
     preBaklavaVersion->root->Accept(&visitor);
+    preBaklavaVersion->file.uses_readwrite_feature_flags = false;
     docs.push_back(std::move(preBaklavaVersion));
 
     if (visitor.HadFlags()) {
       auto baklavaVersion = doc->Clone();
       baklavaVersion->file.config.sdkVersion = SDK_BAKLAVA;
+      baklavaVersion->file.uses_readwrite_feature_flags = true;
       docs.push_back(std::move(baklavaVersion));
     }
   }