diff --git a/android/apex.go b/android/apex.go
index 31c62e9..d3f8d2a 100644
--- a/android/apex.go
+++ b/android/apex.go
@@ -830,9 +830,8 @@
 		return
 	}
 
-	// do not enforce deps.min_sdk_version if APEX/APK doesn't set min_sdk_version or
-	// min_sdk_version is not finalized (e.g. current or codenames)
-	if minSdkVersion.IsCurrent() {
+	// do not enforce deps.min_sdk_version if APEX/APK doesn't set min_sdk_version
+	if minSdkVersion.IsNone() {
 		return
 	}
 
diff --git a/android/api_levels.go b/android/api_levels.go
index 08328e1..1b53f3f 100644
--- a/android/api_levels.go
+++ b/android/api_levels.go
@@ -81,6 +81,10 @@
 	return this.value == "current"
 }
 
+func (this ApiLevel) IsNone() bool {
+	return this.number == -1
+}
+
 // Returns -1 if the current API level is less than the argument, 0 if they
 // are equal, and 1 if it is greater than the argument.
 func (this ApiLevel) CompareTo(other ApiLevel) int {
diff --git a/apex/apex.go b/apex/apex.go
index 384d6c7..ade8fa9 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -854,11 +854,17 @@
 		Contents: apexContents,
 	})
 
+	minSdkVersion := a.minSdkVersion(mctx)
+	// When min_sdk_version is not set, the apex is built against FutureApiLevel.
+	if minSdkVersion.IsNone() {
+		minSdkVersion = android.FutureApiLevel
+	}
+
 	// This is the main part of this mutator. Mark the collected dependencies that they need to
 	// be built for this apexBundle.
 	apexInfo := android.ApexInfo{
 		ApexVariationName: mctx.ModuleName(),
-		MinSdkVersionStr:  a.minSdkVersion(mctx).String(),
+		MinSdkVersionStr:  minSdkVersion.String(),
 		RequiredSdks:      a.RequiredSdks(),
 		Updatable:         a.Updatable(),
 		InApexes:          []string{mctx.ModuleName()},
@@ -2116,17 +2122,13 @@
 func (a *apexBundle) minSdkVersion(ctx android.BaseModuleContext) android.ApiLevel {
 	ver := proptools.String(a.properties.Min_sdk_version)
 	if ver == "" {
-		return android.FutureApiLevel
+		return android.NoneApiLevel
 	}
 	apiLevel, err := android.ApiLevelFromUser(ctx, ver)
 	if err != nil {
 		ctx.PropertyErrorf("min_sdk_version", "%s", err.Error())
 		return android.NoneApiLevel
 	}
-	if apiLevel.IsPreview() {
-		// All codenames should build against "current".
-		return android.FutureApiLevel
-	}
 	return apiLevel
 }
 
diff --git a/apex/apex_test.go b/apex/apex_test.go
index b1e8480..dae9fdc 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -2135,6 +2135,74 @@
 	expectLink("mylib", "shared_apex30", "mylib2", "shared_apex30")
 }
 
+func TestApexMinSdkVersion_WorksWithSdkCodename(t *testing.T) {
+	withSAsActiveCodeNames := func(fs map[string][]byte, config android.Config) {
+		config.TestProductVariables.Platform_sdk_codename = proptools.StringPtr("S")
+		config.TestProductVariables.Platform_version_active_codenames = []string{"S"}
+	}
+	testApexError(t, `libbar.*: should support min_sdk_version\(S\)`, `
+		apex {
+			name: "myapex",
+			key: "myapex.key",
+			native_shared_libs: ["libfoo"],
+			min_sdk_version: "S",
+		}
+		apex_key {
+			name: "myapex.key",
+			public_key: "testkey.avbpubkey",
+			private_key: "testkey.pem",
+		}
+		cc_library {
+			name: "libfoo",
+			shared_libs: ["libbar"],
+			apex_available: ["myapex"],
+			min_sdk_version: "29",
+		}
+		cc_library {
+			name: "libbar",
+			apex_available: ["myapex"],
+		}
+	`, withSAsActiveCodeNames)
+}
+
+func TestApexMinSdkVersion_WorksWithActiveCodenames(t *testing.T) {
+	withSAsActiveCodeNames := func(fs map[string][]byte, config android.Config) {
+		config.TestProductVariables.Platform_sdk_codename = proptools.StringPtr("S")
+		config.TestProductVariables.Platform_version_active_codenames = []string{"S", "T"}
+	}
+	ctx, _ := testApex(t, `
+		apex {
+			name: "myapex",
+			key: "myapex.key",
+			native_shared_libs: ["libfoo"],
+			min_sdk_version: "S",
+		}
+		apex_key {
+			name: "myapex.key",
+			public_key: "testkey.avbpubkey",
+			private_key: "testkey.pem",
+		}
+		cc_library {
+			name: "libfoo",
+			shared_libs: ["libbar"],
+			apex_available: ["myapex"],
+			min_sdk_version: "S",
+		}
+		cc_library {
+			name: "libbar",
+			stubs: {
+				symbol_file: "libbar.map.txt",
+				versions: ["30", "S", "T"],
+			},
+		}
+	`, withSAsActiveCodeNames)
+
+	// ensure libfoo is linked with "S" version of libbar stub
+	libfoo := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_shared_apex10000")
+	libFlags := libfoo.Rule("ld").Args["libFlags"]
+	ensureContains(t, libFlags, "android_arm64_armv8-a_shared_S/libbar.so")
+}
+
 func TestFilesInSubDir(t *testing.T) {
 	ctx, _ := testApex(t, `
 		apex {
diff --git a/apex/builder.go b/apex/builder.go
index 67314d8..ee0a410 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -598,7 +598,7 @@
 
 		// bundletool doesn't understand what "current" is. We need to transform it to
 		// codename
-		if moduleMinSdkVersion.IsCurrent() {
+		if moduleMinSdkVersion.IsCurrent() || moduleMinSdkVersion.IsNone() {
 			minSdkVersion = ctx.Config().DefaultAppTargetSdk(ctx).String()
 		}
 		// apex module doesn't have a concept of target_sdk_version, hence for the time