From 90cf754e69a90908ba4cf7dfb105415f44d8b239 Mon Sep 17 00:00:00 2001
From: Antonio Kantek <kanant@google.com>
Date: Thu, 27 Apr 2023 21:16:46 +0000
Subject: [PATCH] Improve error message in WMS#isInTouchMode

Fix: 279962497
Test: m
Change-Id: Ibddc76bc27809dd449989b31f77163759d030b84
---
 .../java/com/android/server/wm/WindowManagerService.java     | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 6cb6d9d7bcea6..66b4d88852737 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -3905,8 +3905,9 @@ public class WindowManagerService extends IWindowManager.Stub
         synchronized (mGlobalLock) {
             final DisplayContent displayContent = mRoot.getDisplayContent(displayId);
             if (displayContent == null) {
-                throw new IllegalStateException("No touch mode is defined for displayId {"
-                        + displayId + "}");
+                throw new IllegalStateException("Failed to retrieve the touch mode state for"
+                        + "display {" + displayId + "}: display is not registered in "
+                        + "WindowRootContainer");
             }
             return displayContent.isInTouchMode();
         }