From ffbff53cbe8a75bacdec6998d563b68d7b6d0764 Mon Sep 17 00:00:00 2001
From: liuxiaoyu7 <liuxiaoyu7@xiaomi.com>
Date: Wed, 9 Dec 2020 14:21:51 +0800
Subject: [PATCH] [Bugfix]audio:fix NPE when buildBluetoothRoutes

Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'java.util.Iterator java.util.Set.iterator()' on a null object reference
at com.android.server.media.BluetoothRouteProvider.buildBluetoothRoutes(BluetoothRouteProvider.java:165)
at com.android.server.media.BluetoothRouteProvider.access$900(BluetoothRouteProvider.java:53)
at com.android.server.media.BluetoothRouteProvider$AdapterStateChangedReceiver.onReceive(BluetoothRouteProvider.java:462)
at com.android.server.media.BluetoothRouteProvider$BluetoothBroadcastReceiver.onReceive(BluetoothRouteProvider.java:445)
at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$getRunnable$0$LoadedApk$ReceiverDispatcher$Args(LoadedApk.java:1564)

Signed-off-by: liuxiaoyu7 <liuxiaoyu7@xiaomi.com>
Change-Id: I6828a319248deff851d46f259cfaf392fde04a1d
---
 .../android/server/media/BluetoothRouteProvider.java | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/services/core/java/com/android/server/media/BluetoothRouteProvider.java b/services/core/java/com/android/server/media/BluetoothRouteProvider.java
index 3a4dfaf9bfcd8..a6062f5fc4e0c 100644
--- a/services/core/java/com/android/server/media/BluetoothRouteProvider.java
+++ b/services/core/java/com/android/server/media/BluetoothRouteProvider.java
@@ -162,11 +162,13 @@ class BluetoothRouteProvider {
 
     private void buildBluetoothRoutes() {
         mBluetoothRoutes.clear();
-        for (BluetoothDevice device : mBluetoothAdapter.getBondedDevices()) {
-            if (device.isConnected()) {
-                BluetoothRouteInfo newBtRoute = createBluetoothRoute(device);
-                if (newBtRoute.connectedProfiles.size() > 0) {
-                    mBluetoothRoutes.put(device.getAddress(), newBtRoute);
+        if (mBluetoothAdapter.getBondedDevices() != null) {
+            for (BluetoothDevice device : mBluetoothAdapter.getBondedDevices()) {
+                if (device.isConnected()) {
+                    BluetoothRouteInfo newBtRoute = createBluetoothRoute(device);
+                    if (newBtRoute.connectedProfiles.size() > 0) {
+                        mBluetoothRoutes.put(device.getAddress(), newBtRoute);
+                    }
                 }
             }
         }