From c2fd35a4429c752dc2d10a789e4c5f48d22b1eeb Mon Sep 17 00:00:00 2001
From: Maddie Lord <maddie@meta.com>
Date: Fri, 13 Dec 2024 13:35:08 -0800
Subject: [PATCH] Add logging in ReactInstanceManager.onHostPause when activity
 is incorrectly null (#48226)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/48226

Adding logging to onHostPause to help diagnose cases when the activity is incorrectly null.

Reviewed By: fkgozali

Differential Revision: D67123351

fbshipit-source-id: f694a3a89e4584776050f6bca2f33f2805528d4b
---
 .../java/com/facebook/react/ReactInstanceManager.java  | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
index ed7f80bbea4..8422b6ce183 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
@@ -651,6 +651,16 @@ public class ReactInstanceManager {
   @ThreadConfined(UI)
   public void onHostPause(@Nullable Activity activity) {
     if (mRequireActivity) {
+      if (mCurrentActivity == null) {
+        String message =
+            "ReactInstanceManager.onHostPause called with null activity, expected:"
+                + mCurrentActivity.getClass().getSimpleName();
+        FLog.e(TAG, message);
+        StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
+        for (StackTraceElement element : stackTrace) {
+          FLog.e(TAG, element.toString());
+        }
+      }
       Assertions.assertCondition(mCurrentActivity != null);
     }
     if (mCurrentActivity != null) {