diff --git a/binder_bindings/android/os/IUpdateEngine.aidl b/binder_bindings/android/os/IUpdateEngine.aidl
new file mode 100644
index 0000000..ebc3ffb
--- /dev/null
+++ b/binder_bindings/android/os/IUpdateEngine.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+package android.os;
+
+import android.os.IUpdateEnginePayloadApplicationCallback;
+
+interface IUpdateEngine {
+  int applyPayload(String url,
+                   in String[] headerKeyValuePairs,
+                   IUpdateEnginePayloadApplicationCallback callback);
+  void suspend();
+  void resume();
+  void cancel();
+}
diff --git a/binder_bindings/android/os/IUpdateEnginePayloadApplicationCallback.aidl b/binder_bindings/android/os/IUpdateEnginePayloadApplicationCallback.aidl
new file mode 100644
index 0000000..871ef1d
--- /dev/null
+++ b/binder_bindings/android/os/IUpdateEnginePayloadApplicationCallback.aidl
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+package android.os;
+
+oneway interface IUpdateEnginePayloadApplicationCallback {
+  void onStatusUpdate(int status_code, float percentage);
+  void onPayloadApplicationComplete(int error_code);
+}