commit e41c5b005fb80062770071740836bc7589a8f04e
author Sunny Goyal <sunnygoyal@google.com> Fri Sep 16 09:45:56 2022 -0700
committer Sunny Goyal <sunnygoyal@google.com> Mon Sep 19 11:02:04 2022 -0700
tree e44039bad211305a7b47a11e7f3f93e2822baa66
parent 9fb4802a67151827158f167d07317633e61bd5c5

Fixing nullPointerException is RotationHelper

Bug: 247055735
Test: Verified on device
Change-Id: Ie73be138bdb616fb9db739b09c12794d61183657

src/com/android/launcher3/states/RotationHelper.java

diff --git a/src/com/android/launcher3/states/RotationHelper.java b/src/com/android/launcher3/states/RotationHelper.java
index c408904..b94ea07 100644
--- a/src/com/android/launcher3/states/RotationHelper.java
+++ b/src/com/android/launcher3/states/RotationHelper.java
@@ -24,12 +24,16 @@
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 import static com.android.launcher3.util.window.WindowManagerProxy.MIN_TABLET_WIDTH;
 
+import android.app.Activity;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.os.Handler;
 import android.os.Message;
 
+import androidx.annotation.Nullable;
+import androidx.annotation.WorkerThread;
+
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Utilities;
@@ -58,6 +62,7 @@
     public static final int REQUEST_ROTATE = 1;
     public static final int REQUEST_LOCK = 2;
 
+    @Nullable
     private BaseActivity mActivity;
     private SharedPreferences mSharedPrefs = null;
     private final Handler mRequestOrientationHandler;
@@ -209,8 +214,12 @@
         }
     }
 
+    @WorkerThread
     private boolean setOrientationAsync(Message msg) {
-        mActivity.setRequestedOrientation(msg.what);
+        Activity activity = mActivity;
+        if (activity != null) {
+            activity.setRequestedOrientation(msg.what);
+        }
         return true;
     }