Bluetooth Finder: Interface for Bluetooth Finder

Bug: 307897939
Test: m android.hardware.bluetooth.finder-update-api
Change-Id: I111b9e20831c094dcb42432e9d83f9fd326ff953
diff --git a/bluetooth/finder/aidl/Android.bp b/bluetooth/finder/aidl/Android.bp
new file mode 100644
index 0000000..e606d2d
--- /dev/null
+++ b/bluetooth/finder/aidl/Android.bp
@@ -0,0 +1,34 @@
+// Copyright (C) 2023 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 {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+aidl_interface {
+    name: "android.hardware.bluetooth.finder",
+    vendor_available: true,
+    srcs: ["android/hardware/bluetooth/finder/*.aidl"],
+    stability: "vintf",
+
+    backend: {
+        ndk: {
+            enabled: true,
+        },
+        java: {
+            enabled: true,
+            platform_apis: true,
+        },
+    },
+}
diff --git a/bluetooth/finder/aidl/aidl_api/android.hardware.bluetooth.finder/current/android/hardware/bluetooth/finder/Eid.aidl b/bluetooth/finder/aidl/aidl_api/android.hardware.bluetooth.finder/current/android/hardware/bluetooth/finder/Eid.aidl
new file mode 100644
index 0000000..42461c5
--- /dev/null
+++ b/bluetooth/finder/aidl/aidl_api/android.hardware.bluetooth.finder/current/android/hardware/bluetooth/finder/Eid.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.finder;
+@VintfStability
+parcelable Eid {
+  byte[20] bytes;
+}
diff --git a/bluetooth/finder/aidl/aidl_api/android.hardware.bluetooth.finder/current/android/hardware/bluetooth/finder/IBluetoothFinder.aidl b/bluetooth/finder/aidl/aidl_api/android.hardware.bluetooth.finder/current/android/hardware/bluetooth/finder/IBluetoothFinder.aidl
new file mode 100644
index 0000000..4bc9041
--- /dev/null
+++ b/bluetooth/finder/aidl/aidl_api/android.hardware.bluetooth.finder/current/android/hardware/bluetooth/finder/IBluetoothFinder.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.finder;
+@VintfStability
+interface IBluetoothFinder {
+  void sendEids(in android.hardware.bluetooth.finder.Eid[] eids);
+  void setPoweredOffFinderMode(in boolean enable);
+  boolean getPoweredOffFinderMode();
+}
diff --git a/bluetooth/finder/aidl/android/hardware/bluetooth/finder/Eid.aidl b/bluetooth/finder/aidl/android/hardware/bluetooth/finder/Eid.aidl
new file mode 100644
index 0000000..ae9b159
--- /dev/null
+++ b/bluetooth/finder/aidl/android/hardware/bluetooth/finder/Eid.aidl
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2023 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.bluetooth.finder;
+
+/**
+ * Ephemeral Identifier
+ */
+@VintfStability
+parcelable Eid {
+    byte[20] bytes;
+}
diff --git a/bluetooth/finder/aidl/android/hardware/bluetooth/finder/IBluetoothFinder.aidl b/bluetooth/finder/aidl/android/hardware/bluetooth/finder/IBluetoothFinder.aidl
new file mode 100644
index 0000000..615739b
--- /dev/null
+++ b/bluetooth/finder/aidl/android/hardware/bluetooth/finder/IBluetoothFinder.aidl
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2023 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.bluetooth.finder;
+
+import android.hardware.bluetooth.finder.Eid;
+
+@VintfStability
+interface IBluetoothFinder {
+    /**
+     * API to set the EIDs to the Bluetooth Controller
+     *
+     * @param eids array of 20 bytes EID to the Bluetooth
+     * controller
+     */
+    void sendEids(in Eid[] eids);
+
+    /**
+     * API to enable the powered-off finder feature, which allows the Bluetooth controller to send
+     * beacons after the device is powered off.
+     *
+     * @param enable true to enable; false to disable
+     */
+    void setPoweredOffFinderMode(in boolean enable);
+
+    /**
+     * API for retrieving feature enablement status
+     *
+     * @return the value last set by setPoweredOffFinderMode, false if setPoweredOffFinderMode was
+     *         never been invoked since boot.
+     */
+    boolean getPoweredOffFinderMode();
+}
diff --git a/compatibility_matrices/compatibility_matrix.9.xml b/compatibility_matrices/compatibility_matrix.9.xml
index 83d2665..d79e492 100644
--- a/compatibility_matrices/compatibility_matrix.9.xml
+++ b/compatibility_matrices/compatibility_matrix.9.xml
@@ -147,6 +147,14 @@
         </interface>
     </hal>
     <hal format="aidl" optional="true">
+        <name>android.hardware.bluetooth.finder</name>
+        <version>1</version>
+        <interface>
+            <name>IBluetoothFinder</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="aidl" optional="true">
         <name>android.hardware.boot</name>
         <interface>
             <name>IBootControl</name>