Handle NPE for toolType update with hardware keyboard

When hardware keyboard is used with no active editor.

Fix: 322634243
Bug: 298149197

Test: atest StylusHandwritingTest
Change-Id: Ia2a9987c924566dd4001b2ef5af5e1071e3cae34

1 files changed, 3 insertions, 1 deletions

diff --git a/core/java/android/inputmethodservice/InputMethodService.java b/core/java/android/inputmethodservice/InputMethodService.java
index 71698e4f4469..281ee500f741 100644
--- a/core/java/android/inputmethodservice/InputMethodService.java
+++ b/core/java/android/inputmethodservice/InputMethodService.java
@@ -1256,7 +1256,9 @@ public class InputMethodService extends AbstractInputMethodService {
     private void updateEditorToolTypeInternal(int toolType) {
         if (Flags.useHandwritingListenerForTooltype()) {
             mLastUsedToolType = toolType;
-            mInputEditorInfo.setInitialToolType(toolType);
+            if (mInputEditorInfo != null) {
+                mInputEditorInfo.setInitialToolType(toolType);
+            }
         }
         onUpdateEditorToolType(toolType);
     }