From 0e326330c0a2b233ec8520e134f760aadf89df96 Mon Sep 17 00:00:00 2001
From: Ryo Sakaguchi <rsakaguchi3125@gmail.com>
Date: Tue, 4 Feb 2020 06:41:06 -0800
Subject: [PATCH] Add Nullable annotation to getInstanceIfInitialized (#770)

Summary:
When calling from Kotlin codes, making nullability clear is safer.
This PR adds `Nullable` annotation to `getInstanceIfInitialized`.

## Changelog

Add `Nullable` annotation to `getInstanceIfInitialized`
Pull Request resolved: https://github.com/facebook/flipper/pull/770

Reviewed By: mweststrate

Differential Revision: D19719980

Pulled By: passy

fbshipit-source-id: 195b396a8fd75a15247da7244215aca9ed35886c
---
 .../com/facebook/flipper/android/AndroidFlipperClient.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/android/src/main/java/com/facebook/flipper/android/AndroidFlipperClient.java b/android/src/main/java/com/facebook/flipper/android/AndroidFlipperClient.java
index 0a9a96a8f..e5b887406 100644
--- a/android/src/main/java/com/facebook/flipper/android/AndroidFlipperClient.java
+++ b/android/src/main/java/com/facebook/flipper/android/AndroidFlipperClient.java
@@ -14,8 +14,9 @@ import android.net.wifi.WifiManager;
 import android.os.Build;
 import android.util.Log;
 import androidx.core.content.ContextCompat;
-import com.facebook.flipper.core.FlipperClient;
 import com.facebook.flipper.BuildConfig;
+import com.facebook.flipper.core.FlipperClient;
+import javax.annotation.Nullable;
 
 public final class AndroidFlipperClient {
   private static boolean sIsInitialized = false;
@@ -55,6 +56,7 @@ public final class AndroidFlipperClient {
     return FlipperClientImpl.getInstance();
   }
 
+  @Nullable
   public static synchronized FlipperClient getInstanceIfInitialized() {
     if (!sIsInitialized) {
       return null;