Fix NullPointerException when fetching uuid from BluetoothDevice

Test: cts
Bug: 322040773

Change-Id: I0f79501461298697632692920a0587928ad4c167

2 files changed, 9 insertions, 4 deletions

diff --git a/services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java b/services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java
index 2e01ced2022b..5019428c5323 100644
--- a/services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java
+++ b/services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java
@@ -368,8 +368,10 @@ public class CompanionDeviceManagerService extends SystemService {
 
         if (blueToothDevices != null) {
             for (BluetoothDevice bluetoothDevice : blueToothDevices) {
-                final List<ParcelUuid> deviceUuids = bluetoothDevice.getUuids() == null
-                        ? Collections.emptyList() : Arrays.asList(bluetoothDevice.getUuids());
+                final ParcelUuid[] bluetoothDeviceUuids = bluetoothDevice.getUuids();
+
+                final List<ParcelUuid> deviceUuids = ArrayUtils.isEmpty(bluetoothDeviceUuids)
+                        ? Collections.emptyList() : Arrays.asList(bluetoothDeviceUuids);
 
                 for (AssociationInfo ai:
                         mAssociationStore.getAssociationsByAddress(bluetoothDevice.getAddress())) {
diff --git a/services/companion/java/com/android/server/companion/presence/BluetoothCompanionDeviceConnectionListener.java b/services/companion/java/com/android/server/companion/presence/BluetoothCompanionDeviceConnectionListener.java
index 7eca1193ca12..c514f3ef29d0 100644
--- a/services/companion/java/com/android/server/companion/presence/BluetoothCompanionDeviceConnectionListener.java
+++ b/services/companion/java/com/android/server/companion/presence/BluetoothCompanionDeviceConnectionListener.java
@@ -38,6 +38,7 @@ import android.util.Slog;
 import android.util.SparseArray;
 
 import com.android.internal.annotations.GuardedBy;
+import com.android.internal.util.ArrayUtils;
 import com.android.server.companion.AssociationStore;
 import com.android.server.companion.ObservableUuid;
 import com.android.server.companion.ObservableUuidStore;
@@ -172,8 +173,10 @@ public class BluetoothCompanionDeviceConnectionListener
                 mAssociationStore.getAssociationsByAddress(device.getAddress());
         final List<ObservableUuid> observableUuids =
                 mObservableUuidStore.getObservableUuidsForUser(userId);
-        final List<ParcelUuid> deviceUuids = device.getUuids() == null
-                ? Collections.emptyList() : Arrays.asList(device.getUuids());
+        final ParcelUuid[] bluetoothDeviceUuids = device.getUuids();
+
+        final List<ParcelUuid> deviceUuids = ArrayUtils.isEmpty(bluetoothDeviceUuids)
+                ? Collections.emptyList() : Arrays.asList(bluetoothDeviceUuids);
 
         if (DEBUG) {
             Log.d(TAG, "onDevice_ConnectivityChanged() " + btDeviceToString(device)