diff --git a/include/gui/Sensor.h b/include/gui/Sensor.h
index 28a08e2..59b4d4d 100644
--- a/include/gui/Sensor.h
+++ b/include/gui/Sensor.h
@@ -98,7 +98,7 @@
     String8 mStringType;
     String8 mRequiredPermission;
     int32_t mMaxDelay;
-    int32_t mFlags;
+    uint32_t mFlags;
     static void flattenString8(void*& buffer, size_t& size, const String8& string8);
     static bool unflattenString8(void const*& buffer, size_t& size, String8& outputString8);
 };
diff --git a/include/ui/FramebufferNativeWindow.h b/include/ui/FramebufferNativeWindow.h
index 5cd8101..6b66d5f 100644
--- a/include/ui/FramebufferNativeWindow.h
+++ b/include/ui/FramebufferNativeWindow.h
@@ -14,11 +14,13 @@
  * limitations under the License.
  */
 
+#ifndef INCLUDED_FROM_FRAMEBUFFER_NATIVE_WINDOW_CPP
+#warning "FramebufferNativeWindow is deprecated"
+#endif
+
 #ifndef ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H
 #define ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H
 
-#warning "FramebufferNativeWindow is deprecated"
-
 #include <stdint.h>
 #include <sys/types.h>
 
diff --git a/include/ui/GraphicBuffer.h b/include/ui/GraphicBuffer.h
index 7630faa..4e79ee4 100644
--- a/include/ui/GraphicBuffer.h
+++ b/include/ui/GraphicBuffer.h
@@ -72,11 +72,11 @@
     GraphicBuffer();
 
     // creates w * h buffer
-    GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage);
+    GraphicBuffer(int w, int h, PixelFormat format, int usage);
 
     // create a buffer from an existing handle
-    GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage,
-            uint32_t stride, native_handle_t* handle, bool keepOwnership);
+    GraphicBuffer(int w, int h, PixelFormat format, int usage,
+            int stride, native_handle_t* handle, bool keepOwnership);
 
     // create a buffer from an existing ANativeWindowBuffer
     GraphicBuffer(ANativeWindowBuffer* buffer, bool keepOwnership);
@@ -84,15 +84,15 @@
     // return status
     status_t initCheck() const;
 
-    uint32_t getWidth() const           { return width; }
-    uint32_t getHeight() const          { return height; }
-    uint32_t getStride() const          { return stride; }
-    uint32_t getUsage() const           { return usage; }
+    int getWidth() const                { return width; }
+    int getHeight() const               { return height; }
+    int getStride() const               { return stride; }
+    int getUsage() const                { return usage; }
     PixelFormat getPixelFormat() const  { return format; }
     Rect getBounds() const              { return Rect(width, height); }
     uint64_t getId() const              { return mId; }
 
-    status_t reallocate(uint32_t w, uint32_t h, PixelFormat f, uint32_t usage);
+    status_t reallocate(int w, int h, PixelFormat f, int usage);
 
     status_t lock(uint32_t usage, void** vaddr);
     status_t lock(uint32_t usage, const Rect& rect, void** vaddr);