From 5c9c901d0c76f9349ab2351510ce0e7e7ba07a26 Mon Sep 17 00:00:00 2001
From: David Vacca <dvacca@fb.com>
Date: Sun, 27 Feb 2022 22:23:48 -0800
Subject: [PATCH] Introduce DefaultValuesReactNativeConfig constant

Summary:
Introduce DefaultValuesReactNativeConfig constant that represents a ReactNativeConfig that always return default values

I also use this constant in all the apps using fbaric that don't have a custom Mobile Config

changelog: [internal] internal

Reviewed By: RSNara

Differential Revision: D34160478

fbshipit-source-id: 5730054fd4cc87e1fe5dc8247cc237194bf48981
---
 .../react/fabric/ReactNativeConfig.java       | 24 +++++++++++++++++++
 .../react/uiapp/RNTesterApplication.java      |  4 ++--
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/ReactAndroid/src/main/java/com/facebook/react/fabric/ReactNativeConfig.java b/ReactAndroid/src/main/java/com/facebook/react/fabric/ReactNativeConfig.java
index 87f563cced3..390e4ebd1be 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/fabric/ReactNativeConfig.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/fabric/ReactNativeConfig.java
@@ -22,6 +22,30 @@ import com.facebook.proguard.annotations.DoNotStrip;
  */
 @DoNotStrip
 public interface ReactNativeConfig {
+
+  public final ReactNativeConfig DefaultValuesReactNativeConfig =
+      new ReactNativeConfig() {
+        @Override
+        public boolean getBool(@NonNull String param) {
+          return false;
+        }
+
+        @Override
+        public long getInt64(@NonNull String param) {
+          return 0;
+        }
+
+        @Override
+        public String getString(@NonNull String param) {
+          return null;
+        }
+
+        @Override
+        public double getDouble(@NonNull String param) {
+          return 0;
+        }
+      };
+
   /**
    * Get a boolean param by string name. Default should be false.
    *
diff --git a/packages/rn-tester/android/app/src/main/java/com/facebook/react/uiapp/RNTesterApplication.java b/packages/rn-tester/android/app/src/main/java/com/facebook/react/uiapp/RNTesterApplication.java
index 1a393ce051d..057823d8e9f 100644
--- a/packages/rn-tester/android/app/src/main/java/com/facebook/react/uiapp/RNTesterApplication.java
+++ b/packages/rn-tester/android/app/src/main/java/com/facebook/react/uiapp/RNTesterApplication.java
@@ -29,8 +29,8 @@ import com.facebook.react.bridge.UIManager;
 import com.facebook.react.config.ReactFeatureFlags;
 import com.facebook.react.fabric.ComponentFactory;
 import com.facebook.react.fabric.CoreComponentsRegistry;
-import com.facebook.react.fabric.EmptyReactNativeConfig;
 import com.facebook.react.fabric.FabricJSIModuleProvider;
+import com.facebook.react.fabric.ReactNativeConfig;
 import com.facebook.react.module.model.ReactModuleInfo;
 import com.facebook.react.module.model.ReactModuleInfoProvider;
 import com.facebook.react.shell.MainReactPackage;
@@ -172,7 +172,7 @@ public class RNTesterApplication extends Application implements ReactApplication
                             reactApplicationContext,
                             componentFactory,
                             // TODO: T71362667 add ReactNativeConfig's support in RNTester
-                            new EmptyReactNativeConfig(),
+                            ReactNativeConfig.DefaultValuesReactNativeConfig,
                             viewManagerRegistry);
                       }
                     });