diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index e6071a0..278d8e1 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -113,6 +113,7 @@
         "Status.cpp",
         "TextOutput.cpp",
         ":libbinder_aidl",
+        ":activity_manager_procstate_aidl",
     ],
 
     target: {
diff --git a/libs/binder/include/binder/ActivityManager.h b/libs/binder/include/binder/ActivityManager.h
index 6796723..e3b7cb9 100644
--- a/libs/binder/include/binder/ActivityManager.h
+++ b/libs/binder/include/binder/ActivityManager.h
@@ -20,12 +20,16 @@
 #ifndef __ANDROID_VNDK__
 
 #include <binder/IActivityManager.h>
+#include <android/app/ProcessStateEnum.h>
 
 #include <utils/threads.h>
 
 // ---------------------------------------------------------------------------
 namespace android {
 
+#define DECLARE_PROCESS_STATE(name) \
+    PROCESS_STATE_##name = (int32_t) app::ProcessStateEnum::name
+
 class ActivityManager
 {
 public:
@@ -41,30 +45,31 @@
         UID_OBSERVER_ACTIVE = 1<<3
     };
 
+    // PROCESS_STATE_* must come from frameworks/base/core/java/android/app/ProcessStateEnum.aidl.
+    // This is to make sure that Java side uses the same values as native.
     enum {
-        PROCESS_STATE_UNKNOWN = -1,
-        PROCESS_STATE_PERSISTENT = 0,
-        PROCESS_STATE_PERSISTENT_UI = 1,
-        PROCESS_STATE_TOP = 2,
-        PROCESS_STATE_FOREGROUND_SERVICE_LOCATION = 3,
-        PROCESS_STATE_BOUND_TOP = 4,
-        PROCESS_STATE_FOREGROUND_SERVICE = 5,
-        PROCESS_STATE_BOUND_FOREGROUND_SERVICE = 6,
-        PROCESS_STATE_IMPORTANT_FOREGROUND = 7,
-        PROCESS_STATE_IMPORTANT_BACKGROUND = 8,
-        PROCESS_STATE_TRANSIENT_BACKGROUND = 9,
-        PROCESS_STATE_BACKUP = 10,
-        PROCESS_STATE_SERVICE = 11,
-        PROCESS_STATE_RECEIVER = 12,
-        PROCESS_STATE_TOP_SLEEPING = 13,
-        PROCESS_STATE_HEAVY_WEIGHT = 14,
-        PROCESS_STATE_HOME = 15,
-        PROCESS_STATE_LAST_ACTIVITY = 16,
-        PROCESS_STATE_CACHED_ACTIVITY = 17,
-        PROCESS_STATE_CACHED_ACTIVITY_CLIENT = 18,
-        PROCESS_STATE_CACHED_RECENT = 19,
-        PROCESS_STATE_CACHED_EMPTY = 20,
-        PROCESS_STATE_NONEXISTENT = 21,
+        DECLARE_PROCESS_STATE(UNKNOWN),
+        DECLARE_PROCESS_STATE(PERSISTENT),
+        DECLARE_PROCESS_STATE(PERSISTENT_UI),
+        DECLARE_PROCESS_STATE(TOP),
+        DECLARE_PROCESS_STATE(BOUND_TOP),
+        DECLARE_PROCESS_STATE(FOREGROUND_SERVICE),
+        DECLARE_PROCESS_STATE(BOUND_FOREGROUND_SERVICE),
+        DECLARE_PROCESS_STATE(IMPORTANT_FOREGROUND),
+        DECLARE_PROCESS_STATE(IMPORTANT_BACKGROUND),
+        DECLARE_PROCESS_STATE(TRANSIENT_BACKGROUND),
+        DECLARE_PROCESS_STATE(BACKUP),
+        DECLARE_PROCESS_STATE(SERVICE),
+        DECLARE_PROCESS_STATE(RECEIVER),
+        DECLARE_PROCESS_STATE(TOP_SLEEPING),
+        DECLARE_PROCESS_STATE(HEAVY_WEIGHT),
+        DECLARE_PROCESS_STATE(HOME),
+        DECLARE_PROCESS_STATE(LAST_ACTIVITY),
+        DECLARE_PROCESS_STATE(CACHED_ACTIVITY),
+        DECLARE_PROCESS_STATE(CACHED_ACTIVITY_CLIENT),
+        DECLARE_PROCESS_STATE(CACHED_RECENT),
+        DECLARE_PROCESS_STATE(CACHED_EMPTY),
+        DECLARE_PROCESS_STATE(NONEXISTENT),
     };
 
     ActivityManager();