From dd10134bdcf9f046bde3136a694e3482e5876c34 Mon Sep 17 00:00:00 2001
From: Amy Nichol <amynichol@fb.com>
Date: Fri, 17 Sep 2021 06:55:16 -0700
Subject: [PATCH] Option to use fallback bundle in dev mode

Summary: Changelog: [Android] [Added] - Adds option use fallback bundle instead of cached bundle when the packager isn't running in ReactInstanceManager

Reviewed By: ShikaSD

Differential Revision: D30899295

fbshipit-source-id: 7ea68fb13029bde9c3170cacee92b3c8a0a7367d
---
 .../java/com/facebook/react/ReactInstanceManager.java     | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java b/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
index 6df4dd1bd9..72f0e37965 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/ReactInstanceManager.java
@@ -184,6 +184,7 @@ public class ReactInstanceManager {
   private final @Nullable JSIModulePackage mJSIModulePackage;
   private final @Nullable ReactPackageTurboModuleManagerDelegate.Builder mTMMDelegateBuilder;
   private List<ViewManager> mViewManagers;
+  private boolean mUseFallbackBundle = false;
 
   private class ReactContextInitParams {
     private final JavaScriptExecutorFactory mJsExecutorFactory;
@@ -350,6 +351,10 @@ public class ReactInstanceManager {
     };
   }
 
+  public synchronized void setUseFallbackBundle(boolean useFallbackBundle) {
+    mUseFallbackBundle = useFallbackBundle;
+  }
+
   private JavaScriptExecutorFactory getJSExecutorFactory() {
     return mJavaScriptExecutorFactory;
   }
@@ -452,7 +457,8 @@ public class ReactInstanceManager {
                           if (packagerIsRunning) {
                             mDevSupportManager.handleReloadJS();
                           } else if (mDevSupportManager.hasUpToDateJSBundleInCache()
-                              && !devSettings.isRemoteJSDebugEnabled()) {
+                              && !devSettings.isRemoteJSDebugEnabled()
+                              && !mUseFallbackBundle) {
                             // If there is a up-to-date bundle downloaded from server,
                             // with remote JS debugging disabled, always use that.
                             onJSBundleLoadedFromServer();