Make video player in media player control a view stub

res/layout/media_view.xml

@@ -10,11 +10,11 @@
             android:layout_height="match_parent"
             android:contentDescription="@string/media_preview_activity__media_content_description" />
 
-    <org.thoughtcrime.securesms.video.VideoPlayer
+    <ViewStub android:id="@+id/video_player_stub"
-            android:id="@+id/video_player"
+              android:inflatedId="@+id/video_player"
-            android:layout_width="match_parent"
+              android:layout_width="match_parent"
-            android:layout_height="match_parent"
+              android:layout_height="match_parent"
-            android:visibility="gone"/>
+              android:visibility="gone"
-
+              android:layout="@layout/media_view_video"/>
 
 </merge>

res/layout/media_view_video.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<org.thoughtcrime.securesms.video.VideoPlayer
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/video_player"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone"/>

src/org/thoughtcrime/securesms/components/MediaView.java

@@ -16,14 +16,15 @@ import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.crypto.MasterSecret;
 import org.thoughtcrime.securesms.mms.GlideRequests;
 import org.thoughtcrime.securesms.mms.VideoSlide;
+import org.thoughtcrime.securesms.util.views.Stub;
 import org.thoughtcrime.securesms.video.VideoPlayer;
 
 import java.io.IOException;
 
 public class MediaView extends FrameLayout {
 
-  private ZoomingImageView imageView;
+  private ZoomingImageView  imageView;
-  private VideoPlayer      videoView;
+  private Stub<VideoPlayer> videoView;
 
   public MediaView(@NonNull Context context) {
     super(context);
@@ -50,7 +51,7 @@ public class MediaView extends FrameLayout {
     inflate(getContext(), R.layout.media_view, this);
 
     this.imageView = findViewById(R.id.image);
-    this.videoView = findViewById(R.id.video_player);
+    this.videoView = new Stub<>(findViewById(R.id.video_player_stub));
   }
 
   public void set(@NonNull MasterSecret masterSecret,
@@ -64,24 +65,28 @@ public class MediaView extends FrameLayout {
   {
     if (mediaType.startsWith("image/")) {
       imageView.setVisibility(View.VISIBLE);
-      videoView.setVisibility(View.GONE);
+      if (videoView.resolved()) videoView.get().setVisibility(View.GONE);
       imageView.setImageUri(masterSecret, glideRequests, source, mediaType);
     } else if (mediaType.startsWith("video/")) {
       imageView.setVisibility(View.GONE);
-      videoView.setVisibility(View.VISIBLE);
+      videoView.get().setVisibility(View.VISIBLE);
-      videoView.setWindow(window);
+      videoView.get().setWindow(window);
-      videoView.setVideoSource(masterSecret, new VideoSlide(getContext(), source, size), autoplay);
+      videoView.get().setVideoSource(masterSecret, new VideoSlide(getContext(), source, size), autoplay);
     } else {
       throw new IOException("Unsupported media type: " + mediaType);
     }
   }
 
   public void pause() {
-    this.videoView.pause();
+    if (this.videoView.resolved()){
+      this.videoView.get().pause();
+    }
   }
 
   public void cleanup() {
     this.imageView.cleanup();
-    this.videoView.cleanup();
+    if (this.videoView.resolved()) {
+      this.videoView.get().cleanup();
+    }
   }
 }