diff --git a/java/androidmk.go b/java/androidmk.go
index f52d5e9..acf597b 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -36,8 +36,18 @@
 				}
 				if library.dexJarFile != nil {
 					fmt.Fprintln(w, "LOCAL_SOONG_DEX_JAR :=", library.dexJarFile.String())
-					if library.deviceProperties.Dex_preopt != nil && *library.deviceProperties.Dex_preopt == false {
-						fmt.Fprintln(w, "LOCAL_DEX_PREOPT := false")
+					if library.deviceProperties.Dex_preopt.Enabled != nil {
+						fmt.Fprintln(w, "LOCAL_DEX_PREOPT :=", *library.deviceProperties.Dex_preopt.Enabled)
+					}
+					if library.deviceProperties.Dex_preopt.App_image != nil {
+						fmt.Fprintln(w, "LOCAL_DEX_PREOPT_APP_IMAGE :=", *library.deviceProperties.Dex_preopt.App_image)
+					}
+					if library.deviceProperties.Dex_preopt.Profile_guided != nil {
+						fmt.Fprintln(w, "LOCAL_DEX_PREOPT_GENERATE_PROFILE :=", *library.deviceProperties.Dex_preopt.Profile_guided)
+					}
+					if library.deviceProperties.Dex_preopt.Profile != nil {
+						fmt.Fprintln(w, "LOCAL_DEX_PREOPT_GENERATE_PROFILE := true")
+						fmt.Fprintln(w, "LOCAL_DEX_PREOPT_PROFILE_CLASS_LISTING := $(LOCAL_PATH)/"+*library.deviceProperties.Dex_preopt.Profile)
 					}
 				}
 				fmt.Fprintln(w, "LOCAL_SDK_VERSION :=", String(library.deviceProperties.Sdk_version))
diff --git a/java/java.go b/java/java.go
index 0e54e3c..3663253 100644
--- a/java/java.go
+++ b/java/java.go
@@ -167,9 +167,24 @@
 	// If true, export a copy of the module as a -hostdex module for host testing.
 	Hostdex *bool
 
-	// If false, prevent dexpreopting and stripping the dex file from the final jar.  Defaults to
-	// true.
-	Dex_preopt *bool
+	Dex_preopt struct {
+		// If false, prevent dexpreopting and stripping the dex file from the final jar.  Defaults to
+		// true.
+		Enabled *bool
+
+		// If true, generate an app image (.art file) for this module.
+		App_image *bool
+
+		// If true, use a checked-in profile to guide optimization.  Defaults to false unless
+		// a matching profile is set or a profile is found in PRODUCT_DEX_PREOPT_PROFILE_DIR
+		// that matches the name of this module, in which case it is defaulted to true.
+		Profile_guided *bool
+
+		// If set, provides the path to profile relative to the Android.bp file.  If not set,
+		// defaults to searching for a file that matches the name of this module in the default
+		// profile location set by PRODUCT_DEX_PREOPT_PROFILE_DIR, or empty if not found.
+		Profile *string
+	}
 
 	// When targeting 1.9, override the modules to use with --system
 	System_modules *string