Merge "BluetoothHearingAid System APIs now throw an exception if a null BluetoothDevice is passed in"
diff --git a/core/java/android/bluetooth/BluetoothHearingAid.java b/core/java/android/bluetooth/BluetoothHearingAid.java
index e0674d7..fa62a02 100644
--- a/core/java/android/bluetooth/BluetoothHearingAid.java
+++ b/core/java/android/bluetooth/BluetoothHearingAid.java
@@ -379,6 +379,7 @@
     public boolean setConnectionPolicy(@NonNull BluetoothDevice device,
             @ConnectionPolicy int connectionPolicy) {
         if (DBG) log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")");
+        verifyDeviceNotNull(device, "setConnectionPolicy");
         final IBluetoothHearingAid service = getService();
         try {
             if (service != null && isEnabled()
@@ -428,6 +429,7 @@
     @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED)
     public @ConnectionPolicy int getConnectionPolicy(@NonNull BluetoothDevice device) {
         if (VDBG) log("getConnectionPolicy(" + device + ")");
+        verifyDeviceNotNull(device, "getConnectionPolicy");
         final IBluetoothHearingAid service = getService();
         try {
             if (service != null && isEnabled()
@@ -504,6 +506,7 @@
         if (VDBG) {
             log("getHiSyncId(" + device + ")");
         }
+        verifyDeviceNotNull(device, "getConnectionPolicy");
         final IBluetoothHearingAid service = getService();
         try {
             if (service == null) {
@@ -577,6 +580,13 @@
         return false;
     }
 
+    private void verifyDeviceNotNull(BluetoothDevice device, String methodName) {
+        if (device == null) {
+            Log.e(TAG, methodName + ": device param is null");
+            throw new IllegalArgumentException("Device cannot be null");
+        }
+    }
+
     private boolean isValidDevice(BluetoothDevice device) {
         if (device == null) return false;
 
diff --git a/packages/SettingsLib/src/com/android/settingslib/bluetooth/HearingAidProfile.java b/packages/SettingsLib/src/com/android/settingslib/bluetooth/HearingAidProfile.java
index d17f242..a1fba4a 100644
--- a/packages/SettingsLib/src/com/android/settingslib/bluetooth/HearingAidProfile.java
+++ b/packages/SettingsLib/src/com/android/settingslib/bluetooth/HearingAidProfile.java
@@ -174,7 +174,7 @@
 
     @Override
     public boolean isEnabled(BluetoothDevice device) {
-        if (mService == null) {
+        if (mService == null || device == null) {
             return false;
         }
         return mService.getConnectionPolicy(device) > CONNECTION_POLICY_FORBIDDEN;
@@ -182,7 +182,7 @@
 
     @Override
     public int getConnectionPolicy(BluetoothDevice device) {
-        if (mService == null) {
+        if (mService == null || device == null) {
             return CONNECTION_POLICY_FORBIDDEN;
         }
         return mService.getConnectionPolicy(device);
@@ -191,7 +191,7 @@
     @Override
     public boolean setEnabled(BluetoothDevice device, boolean enabled) {
         boolean isEnabled = false;
-        if (mService == null) {
+        if (mService == null || device == null) {
             return false;
         }
         if (enabled) {
@@ -213,7 +213,7 @@
     }
 
     public long getHiSyncId(BluetoothDevice device) {
-        if (mService == null) {
+        if (mService == null || device == null) {
             return BluetoothHearingAid.HI_SYNC_ID_INVALID;
         }
         return mService.getHiSyncId(device);