From 17370581a9a851dc86567c70d2a836c4e95de2a1 Mon Sep 17 00:00:00 2001
From: Louis Chang <louischang@google.com>
Date: Thu, 27 Oct 2022 03:15:28 +0000
Subject: [PATCH] Fix LockTaskModeTests failure

NPE throw while running LockTaskModeTests because there is
no status bar on some devices, like Android Wear.

Bug: 254265883
Test: LockTaskModeTests
Change-Id: I5a3b104da19d60b2bf5c52c0c1a16c8625e5b279
---
 .../com/android/server/wm/LockTaskController.java | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/services/core/java/com/android/server/wm/LockTaskController.java b/services/core/java/com/android/server/wm/LockTaskController.java
index f11c2a7da840b..dcb7fe3fbc8bd 100644
--- a/services/core/java/com/android/server/wm/LockTaskController.java
+++ b/services/core/java/com/android/server/wm/LockTaskController.java
@@ -604,7 +604,10 @@ public class LockTaskController {
                 getDevicePolicyManager().notifyLockTaskModeChanged(false, null, userId);
             }
             if (oldLockTaskModeState == LOCK_TASK_MODE_PINNED) {
-                getStatusBarService().showPinningEnterExitToast(false /* entering */);
+                final IStatusBarService statusBarService = getStatusBarService();
+                if (statusBarService != null) {
+                    statusBarService.showPinningEnterExitToast(false /* entering */);
+                }
             }
             mWindowManager.onLockTaskStateChanged(mLockTaskModeState);
         } catch (RemoteException ex) {
@@ -619,7 +622,10 @@ public class LockTaskController {
     void showLockTaskToast() {
         if (mLockTaskModeState == LOCK_TASK_MODE_PINNED) {
             try {
-                getStatusBarService().showPinningEscapeToast();
+                final IStatusBarService statusBarService = getStatusBarService();
+                if (statusBarService != null) {
+                    statusBarService.showPinningEscapeToast();
+                }
             } catch (RemoteException e) {
                 Slog.e(TAG, "Failed to send pinning escape toast", e);
             }
@@ -727,7 +733,10 @@ public class LockTaskController {
         // When lock task starts, we disable the status bars.
         try {
             if (lockTaskModeState == LOCK_TASK_MODE_PINNED) {
-                getStatusBarService().showPinningEnterExitToast(true /* entering */);
+                final IStatusBarService statusBarService = getStatusBarService();
+                if (statusBarService != null) {
+                    statusBarService.showPinningEnterExitToast(true /* entering */);
+                }
             }
             mWindowManager.onLockTaskStateChanged(lockTaskModeState);
             mLockTaskModeState = lockTaskModeState;