commit ad4d1d8e28618546953e75d4983335631feb6f2a
author Stanley Tng <stng@google.com> Mon Apr 17 22:35:45 2017 -0700
committer Andre Eisenbach <eisenbach@google.com> Thu Apr 20 23:34:20 2017 +0000
tree 031392afe3e46fb64dacf79f6b5b6c846f8652a5
parent b44f4d2f51f21fa2c91888328612380c86cfedf6

Allow the Bluetooth MAC address to be updated asynchronously (2/3)

There are intermittent issues where either the returned Bluetooth
MAC address to Java framework is uninitialized or this address update
arrives too late. This fix will do 2 things:
(1) Returns error when MAC address is unavailable in the native code.
(2) Updates the MAC address later by adding a new broadcast event.

Test: Check address for these cases: factory reset, system reboot, and
Bluetooth re-enable.
Bug: 36709382

Change-Id: I09720193e38fdf9139e1bb146f8e1847e2b65b1a

core/java/android/bluetooth/BluetoothAdapter.java

diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java
index 845a47d..8563603 100644
--- a/core/java/android/bluetooth/BluetoothAdapter.java
+++ b/core/java/android/bluetooth/BluetoothAdapter.java
@@ -466,6 +466,30 @@
         "android.bluetooth.adapter.action.BLE_STATE_CHANGED";
 
     /**
+     * Intent used to broadcast the change in the Bluetooth address
+     * of the local Bluetooth adapter.
+     * <p>Always contains the extra field {@link
+     * #EXTRA_BLUETOOTH_ADDRESS} containing the Bluetooth address.
+     *
+     * Note: only system level processes are allowed to send this
+     * defined broadcast.
+     *
+     * @hide
+     */
+    public static final String ACTION_BLUETOOTH_ADDRESS_CHANGED =
+        "android.bluetooth.adapter.action.BLUETOOTH_ADDRESS_CHANGED";
+
+    /**
+     * Used as a String extra field in {@link
+     * #ACTION_BLUETOOTH_ADDRESS_CHANGED} intent to store the local
+     * Bluetooth address.
+     *
+     * @hide
+     */
+    public static final String EXTRA_BLUETOOTH_ADDRESS =
+          "android.bluetooth.adapter.extra.BLUETOOTH_ADDRESS";
+
+    /**
      * Broadcast Action: The notifys Bluetooth ACL connected event. This will be
      * by BLE Always on enabled application to know the ACL_CONNECTED event
      * when Bluetooth state in STATE_BLE_ON. This denotes GATT connection

core/res/AndroidManifest.xml

diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 9991a20..9e7bf27 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -122,6 +122,7 @@
     <protected-broadcast android:name="android.bluetooth.adapter.action.DISCOVERY_STARTED" />
     <protected-broadcast android:name="android.bluetooth.adapter.action.DISCOVERY_FINISHED" />
     <protected-broadcast android:name="android.bluetooth.adapter.action.LOCAL_NAME_CHANGED" />
+    <protected-broadcast android:name="android.bluetooth.adapter.action.BLUETOOTH_ADDRESS_CHANGED" />
     <protected-broadcast android:name="android.bluetooth.adapter.action.CONNECTION_STATE_CHANGED" />
     <protected-broadcast android:name="android.bluetooth.device.action.UUID" />
     <protected-broadcast android:name="android.bluetooth.device.action.MAS_INSTANCE" />