diff --git a/contexthub/1.1/Android.bp b/contexthub/1.1/Android.bp
new file mode 100644
index 0000000..649f1db
--- /dev/null
+++ b/contexthub/1.1/Android.bp
@@ -0,0 +1,18 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "android.hardware.contexthub@1.1",
+    root: "android.hardware",
+    vndk: {
+        enabled: true,
+    },
+    srcs: [
+        "types.hal",
+        "IContexthub.hal",
+    ],
+    interfaces: [
+        "android.hardware.contexthub@1.0",
+        "android.hidl.base@1.0",
+    ],
+    gen_java: true,
+}
diff --git a/contexthub/1.1/IContexthub.hal b/contexthub/1.1/IContexthub.hal
new file mode 100644
index 0000000..842d4b7
--- /dev/null
+++ b/contexthub/1.1/IContexthub.hal
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2020 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.hardware.contexthub@1.1;
+
+import @1.0::IContexthub;
+import @1.0::Result;
+
+interface IContexthub extends @1.0::IContexthub {
+    /**
+     * Notification sent by the framework to indicate that the user
+     * has changed a setting.
+     *
+     * @param setting User setting that has been modified.
+     * @param newValue The update value of the user setting.
+     */
+    oneway onSettingChanged(Setting setting, SettingValue newValue);
+};
\ No newline at end of file
diff --git a/contexthub/1.1/types.hal b/contexthub/1.1/types.hal
new file mode 100644
index 0000000..885cf32
--- /dev/null
+++ b/contexthub/1.1/types.hal
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2020 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.hardware.contexthub@1.1;
+
+/**
+ * Used to indicate the type of user setting that has changed.
+ */
+enum Setting : uint8_t {
+    LOCATION,
+};
+
+/**
+ * Used to indicate the value of a user setting.
+ */
+enum SettingValue : uint8_t  {
+    DISABLED,
+    ENABLED,
+};
\ No newline at end of file