From 7419570f94530d9ad88024d08f25f0e4774eecff Mon Sep 17 00:00:00 2001
From: Rainer Matischek <rainer.matischek@gmx.net>
Date: Sun, 6 Jun 2021 20:31:41 +0200
Subject: [PATCH] Fix rotation not updated on phones using 'Legacy API'.

Fixes #10940
---
 .../main/java/androidx/camera/view/SignalCameraXModule.java  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/src/main/java/androidx/camera/view/SignalCameraXModule.java b/app/src/main/java/androidx/camera/view/SignalCameraXModule.java
index d6af30e5e8..66fec1de95 100644
--- a/app/src/main/java/androidx/camera/view/SignalCameraXModule.java
+++ b/app/src/main/java/androidx/camera/view/SignalCameraXModule.java
@@ -512,7 +512,12 @@ final class SignalCameraXModule {
     return rotationDegrees;
   }
 
+  @SuppressLint("UnsafeExperimentalUsageError")
   public void invalidateView() {
+    if (mPreview != null) {
+      mPreview.setTargetRotation(getDisplaySurfaceRotation()); // Fixes issue #10940 (rotation not updated on phones using "Legacy API")
+    }
+
     updateViewInfo();
   }