diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index d1c576e..3949186 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -42,6 +42,8 @@
     output.writeStrongBinder(handle);
     output.writeUint64(frameNumber);
     output.writeInt32(overrideScalingMode);
+    output.writeUint32(type);
+    output.writeUint32(appid);
     output.write(transparentRegion);
     return NO_ERROR;
 }
@@ -70,6 +72,8 @@
     handle = input.readStrongBinder();
     frameNumber = input.readUint64();
     overrideScalingMode = input.readInt32();
+    type = input.readUint32();
+    appid = input.readUint32();
     input.read(transparentRegion);
     return NO_ERROR;
 }
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 58b2a87..3346a83 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -149,6 +149,8 @@
             uint32_t w, uint32_t h);
     status_t setLayer(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
             uint32_t z);
+    status_t setLayerInfo(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
+            uint32_t type, uint32_t appid);
     status_t setFlags(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
             uint32_t flags, uint32_t mask);
     status_t setTransparentRegionHint(
@@ -335,6 +337,18 @@
     return NO_ERROR;
 }
 
+status_t Composer::setLayerInfo(const sp<SurfaceComposerClient>& client,
+        const sp<IBinder>& id, uint32_t type, uint32_t appid) {
+    Mutex::Autolock _l(mLock);
+    layer_state_t* s = getLayerStateLocked(client, id);
+    if (!s)
+        return BAD_INDEX;
+    s->what |= layer_state_t::eLayerInfoChanged;
+    s->type = type;
+    s->appid = appid;
+    return NO_ERROR;
+}
+
 status_t Composer::setFlags(const sp<SurfaceComposerClient>& client,
         const sp<IBinder>& id, uint32_t flags,
         uint32_t mask) {
@@ -704,6 +718,10 @@
     return getComposer().setLayer(this, id, z);
 }
 
+status_t SurfaceComposerClient::setLayerInfo(const sp<IBinder>& id, uint32_t type, uint32_t appid) {
+    return getComposer().setLayerInfo(this, id, type, appid);
+}
+
 status_t SurfaceComposerClient::hide(const sp<IBinder>& id) {
     return getComposer().setFlags(this, id,
             layer_state_t::eLayerHidden,
diff --git a/libs/gui/SurfaceControl.cpp b/libs/gui/SurfaceControl.cpp
index 33c1d90..b47e434 100644
--- a/libs/gui/SurfaceControl.cpp
+++ b/libs/gui/SurfaceControl.cpp
@@ -107,6 +107,11 @@
     if (err < 0) return err;
     return mClient->setLayer(mHandle, layer);
 }
+status_t SurfaceControl::setLayerInfo(uint32_t type, uint32_t appid) {
+    status_t err = validate();
+    if (err < 0) return err;
+    return mClient->setLayerInfo(mHandle, type, appid);
+}
 status_t SurfaceControl::setPosition(float x, float y) {
     status_t err = validate();
     if (err < 0) return err;