From 2c70383d38a50482df57f6558b55b2057cbe56c7 Mon Sep 17 00:00:00 2001
From: rohks <rohks@google.com>
Date: Wed, 24 Aug 2022 16:40:39 +0000
Subject: [PATCH] Fix missing id error

PiperOrigin-RevId: 469750922
---
 .../com/google/android/exoplayer2/gldemo/MainActivity.java   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/demos/gl/src/main/java/com/google/android/exoplayer2/gldemo/MainActivity.java b/demos/gl/src/main/java/com/google/android/exoplayer2/gldemo/MainActivity.java
index c1fc42becf..42c6cd9728 100644
--- a/demos/gl/src/main/java/com/google/android/exoplayer2/gldemo/MainActivity.java
+++ b/demos/gl/src/main/java/com/google/android/exoplayer2/gldemo/MainActivity.java
@@ -15,6 +15,8 @@
  */
 package com.google.android.exoplayer2.gldemo;
 
+import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
+
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
@@ -83,7 +85,8 @@ public final class MainActivity extends Activity {
     VideoProcessingGLSurfaceView videoProcessingGLSurfaceView =
         new VideoProcessingGLSurfaceView(
             context, requestSecureSurface, new BitmapOverlayVideoProcessor(context));
-    FrameLayout contentFrame = findViewById(R.id.exo_content_frame);
+    checkNotNull(playerView);
+    FrameLayout contentFrame = playerView.findViewById(R.id.exo_content_frame);
     contentFrame.addView(videoProcessingGLSurfaceView);
     this.videoProcessingGLSurfaceView = videoProcessingGLSurfaceView;
   }