From def4fd900d21dc14015866cd8d14fcd61b715b69 Mon Sep 17 00:00:00 2001
From: Weilun Du <wdu@google.com>
Date: Fri, 18 Jan 2019 08:59:51 -0800
Subject: [PATCH] Fixed Settings crash caused by null bluetooth adpater.

Emulator doesn't support bluetooth.

BUG: 123026204
Change-Id: I5fddfaff03dfd882688a73542278d8ef1e509ca2
Signed-off-by: Weilun Du <wdu@google.com>
---
 .../accessibility/AccessibilityHearingAidPreferenceController.java   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/com/android/settings/accessibility/AccessibilityHearingAidPreferenceController.java b/src/com/android/settings/accessibility/AccessibilityHearingAidPreferenceController.java
index a94bc6d879..617a9bb735 100644
--- a/src/com/android/settings/accessibility/AccessibilityHearingAidPreferenceController.java
+++ b/src/com/android/settings/accessibility/AccessibilityHearingAidPreferenceController.java
@@ -152,7 +152,7 @@ public class AccessibilityHearingAidPreferenceController extends BasePreferenceC
         if (!mHearingAidProfileSupported) {
             return null;
         }
-        if (!mBluetoothAdapter.isEnabled()) {
+        if (mBluetoothAdapter == null || !mBluetoothAdapter.isEnabled()) {
             return null;
         }
         final List<BluetoothDevice> deviceList = mLocalBluetoothManager.getProfileManager()
@@ -166,6 +166,9 @@ public class AccessibilityHearingAidPreferenceController extends BasePreferenceC
     }
 
     private boolean isHearingAidProfileSupported() {
+        if (mBluetoothAdapter == null || !mBluetoothAdapter.isEnabled()) {
+            return false;
+        }
         final List<Integer> supportedList = mBluetoothAdapter.getSupportedProfiles();
         if (supportedList.contains(BluetoothProfile.HEARING_AID)) {
             return true;
-- 
2.11.0