diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
new file mode 100644
index 0000000..0777468
--- /dev/null
+++ b/libs/ui/Android.bp
@@ -0,0 +1,69 @@
+// Copyright (C) 2010 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_library_shared {
+    name: "libui",
+
+    clang: true,
+    cppflags: [
+        "-std=c++1y",
+        "-Weverything",
+        "-Werror",
+
+        // The static constructors and destructors in this library have not been noted to
+        // introduce significant overheads
+        "-Wno-exit-time-destructors",
+        "-Wno-global-constructors",
+
+        // We only care about compiling as C++14
+        "-Wno-c++98-compat-pedantic",
+
+        // We use four-character constants for the GraphicBuffer header, and don't care
+        // that they're non-portable as long as they're consistent within one execution
+        "-Wno-four-char-constants",
+
+        // Don't warn about struct padding
+        "-Wno-padded",
+    ],
+
+    sanitize: {
+        //misc_undefined: ["integer"],
+    },
+
+    srcs: [
+        "Fence.cpp",
+        "FrameStats.cpp",
+        "Gralloc1.cpp",
+        "Gralloc1On0Adapter.cpp",
+        "GraphicBuffer.cpp",
+        "GraphicBufferAllocator.cpp",
+        "GraphicBufferMapper.cpp",
+        "HdrCapabilities.cpp",
+        "PixelFormat.cpp",
+        "Rect.cpp",
+        "Region.cpp",
+        "UiConfig.cpp",
+    ],
+
+    shared_libs: [
+        "libbinder",
+        "libcutils",
+        "libhardware",
+        "libsync",
+        "libutils",
+        "liblog",
+    ],
+}
+
+subdirs = ["tests"]
diff --git a/libs/ui/Android.mk b/libs/ui/Android.mk
deleted file mode 100644
index 5a30037..0000000
--- a/libs/ui/Android.mk
+++ /dev/null
@@ -1,71 +0,0 @@
-# Copyright (C) 2010 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_CLANG := true
-LOCAL_CPPFLAGS := -std=c++1y -Weverything -Werror
-# LOCAL_SANITIZE := integer
-
-# The static constructors and destructors in this library have not been noted to
-# introduce significant overheads
-LOCAL_CPPFLAGS += -Wno-exit-time-destructors
-LOCAL_CPPFLAGS += -Wno-global-constructors
-
-# We only care about compiling as C++14
-LOCAL_CPPFLAGS += -Wno-c++98-compat-pedantic
-
-# We use four-character constants for the GraphicBuffer header, and don't care
-# that they're non-portable as long as they're consistent within one execution
-LOCAL_CPPFLAGS += -Wno-four-char-constants
-
-# Don't warn about struct padding
-LOCAL_CPPFLAGS += -Wno-padded
-
-LOCAL_SRC_FILES := \
-	Fence.cpp \
-	FrameStats.cpp \
-	Gralloc1.cpp \
-	Gralloc1On0Adapter.cpp \
-	GraphicBuffer.cpp \
-	GraphicBufferAllocator.cpp \
-	GraphicBufferMapper.cpp \
-	HdrCapabilities.cpp \
-	PixelFormat.cpp \
-	Rect.cpp \
-	Region.cpp \
-	UiConfig.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-	libbinder \
-	libcutils \
-	libhardware \
-	libsync \
-	libutils \
-	liblog
-
-LOCAL_MODULE := libui
-
-include $(BUILD_SHARED_LIBRARY)
-
-
-# Include subdirectory makefiles
-# ============================================================
-
-# If we're building with ONE_SHOT_MAKEFILE (mm, mmm), then what the framework
-# team really wants is to build the stuff defined by this makefile.
-ifeq (,$(ONE_SHOT_MAKEFILE))
-include $(call first-makefiles-under,$(LOCAL_PATH))
-endif
diff --git a/libs/ui/tests/Android.bp b/libs/ui/tests/Android.bp
new file mode 100644
index 0000000..8cdab8c
--- /dev/null
+++ b/libs/ui/tests/Android.bp
@@ -0,0 +1,31 @@
+//
+// Copyright (C) 2014 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_test {
+    name: "Region_test",
+    shared_libs: ["libui"],
+    srcs: ["Region_test.cpp"],
+}
+
+cc_test {
+    name: "vec_test",
+    srcs: ["vec_test.cpp"],
+}
+
+cc_test {
+    name: "mat_test",
+    srcs: ["mat_test.cpp"],
+}
diff --git a/libs/ui/tests/Android.mk b/libs/ui/tests/Android.mk
deleted file mode 100644
index 6438b1f..0000000
--- a/libs/ui/tests/Android.mk
+++ /dev/null
@@ -1,36 +0,0 @@
-#
-# Copyright (C) 2014 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-LOCAL_SHARED_LIBRARIES := libui
-LOCAL_SRC_FILES := Region_test.cpp
-LOCAL_MODULE := Region_test
-include $(BUILD_NATIVE_TEST)
-
-include $(CLEAR_VARS)
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-LOCAL_SRC_FILES := vec_test.cpp
-LOCAL_MODULE := vec_test
-include $(BUILD_NATIVE_TEST)
-
-include $(CLEAR_VARS)
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-LOCAL_SRC_FILES := mat_test.cpp
-LOCAL_MODULE := mat_test
-include $(BUILD_NATIVE_TEST)