diff --git a/tools/aapt2/ResourceUtils.cpp b/tools/aapt2/ResourceUtils.cpp
index a571aee615464..e0040e486a233 100644
--- a/tools/aapt2/ResourceUtils.cpp
+++ b/tools/aapt2/ResourceUtils.cpp
@@ -534,17 +534,18 @@ Maybe<int> ParseSdkVersion(const StringPiece& str) {
   }
 
   // Try parsing the code name.
-  std::pair<StringPiece, int> entry = GetDevelopmentSdkCodeNameAndVersion();
-  if (entry.first == trimmed_str) {
-    return entry.second;
+  Maybe<int> entry = GetDevelopmentSdkCodeNameVersion(trimmed_str);
+  if (entry) {
+    return entry.value();
   }
 
   // Try parsing codename from "[codename].[preview_sdk_fingerprint]" value.
   const StringPiece::const_iterator begin = std::begin(trimmed_str);
   const StringPiece::const_iterator end = std::end(trimmed_str);
   const StringPiece::const_iterator codename_end = std::find(begin, end, '.');
-  if (codename_end != end && entry.first == trimmed_str.substr(begin, codename_end)) {
-    return entry.second;
+  entry = GetDevelopmentSdkCodeNameVersion(trimmed_str.substr(begin, codename_end));
+  if (entry) {
+    return entry.value();
   }
   return {};
 }
diff --git a/tools/aapt2/ResourceUtils_test.cpp b/tools/aapt2/ResourceUtils_test.cpp
index 3b77135a09ebf..c016cb44af007 100644
--- a/tools/aapt2/ResourceUtils_test.cpp
+++ b/tools/aapt2/ResourceUtils_test.cpp
@@ -214,14 +214,15 @@ TEST(ResourceUtilsTest, ItemsWithWhitespaceAreParsedCorrectly) {
 }
 
 TEST(ResourceUtilsTest, ParseSdkVersionWithCodename) {
-  const android::StringPiece codename =
-      GetDevelopmentSdkCodeNameAndVersion().first;
-  const int version = GetDevelopmentSdkCodeNameAndVersion().second;
-
-  EXPECT_THAT(ResourceUtils::ParseSdkVersion(codename), Eq(Maybe<int>(version)));
+  EXPECT_THAT(ResourceUtils::ParseSdkVersion("Q"), Eq(Maybe<int>(10000)));
   EXPECT_THAT(
-      ResourceUtils::ParseSdkVersion(codename.to_string() + ".fingerprint"),
-      Eq(Maybe<int>(version)));
+      ResourceUtils::ParseSdkVersion("Q.fingerprint"),
+      Eq(Maybe<int>(10000)));
+
+  EXPECT_THAT(ResourceUtils::ParseSdkVersion("R"), Eq(Maybe<int>(10000)));
+  EXPECT_THAT(
+      ResourceUtils::ParseSdkVersion("R.fingerprint"),
+      Eq(Maybe<int>(10000)));
 }
 
 TEST(ResourceUtilsTest, StringBuilderWhitespaceRemoval) {
diff --git a/tools/aapt2/SdkConstants.cpp b/tools/aapt2/SdkConstants.cpp
index f4b0124abcda2..b4b6ff1daaaad 100644
--- a/tools/aapt2/SdkConstants.cpp
+++ b/tools/aapt2/SdkConstants.cpp
@@ -18,15 +18,17 @@
 
 #include <algorithm>
 #include <string>
-#include <unordered_map>
+#include <unordered_set>
 #include <vector>
 
 using android::StringPiece;
 
 namespace aapt {
 
-static const char* sDevelopmentSdkCodeName = "Q";
 static ApiVersion sDevelopmentSdkLevel = 10000;
+static const auto sDevelopmentSdkCodeNames = std::unordered_set<StringPiece>({
+    "Q", "R"
+});
 
 static const std::vector<std::pair<uint16_t, ApiVersion>> sAttrIdMap = {
     {0x021c, 1},
@@ -72,8 +74,9 @@ ApiVersion FindAttributeSdkLevel(const ResourceId& id) {
   return iter->second;
 }
 
-std::pair<StringPiece, ApiVersion> GetDevelopmentSdkCodeNameAndVersion() {
-  return std::make_pair(StringPiece(sDevelopmentSdkCodeName), sDevelopmentSdkLevel);
+Maybe<ApiVersion> GetDevelopmentSdkCodeNameVersion(const StringPiece& code_name) {
+  return (sDevelopmentSdkCodeNames.find(code_name) == sDevelopmentSdkCodeNames.end())
+      ? Maybe<ApiVersion>() : sDevelopmentSdkLevel;
 }
 
 }  // namespace aapt
diff --git a/tools/aapt2/SdkConstants.h b/tools/aapt2/SdkConstants.h
index 9fa29f25c29c5..adb034a953286 100644
--- a/tools/aapt2/SdkConstants.h
+++ b/tools/aapt2/SdkConstants.h
@@ -57,7 +57,7 @@ enum : ApiVersion {
 };
 
 ApiVersion FindAttributeSdkLevel(const ResourceId& id);
-std::pair<android::StringPiece, ApiVersion> GetDevelopmentSdkCodeNameAndVersion();
+Maybe<ApiVersion> GetDevelopmentSdkCodeNameVersion(const android::StringPiece& code_name);
 
 }  // namespace aapt