diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 959ca6fc86..61452f12d6 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -48,6 +48,11 @@
         `PlayerView.setEnableComposeSurfaceSyncWorkaround` in order to opt-in
         ([#1237](https://github.com/androidx/media/issues/1237),
         [#1594](https://github.com/androidx/media/issues/1594)).
+    *   Add `setFullscreenButtonState` to `PlayerView` to allow updates of
+        fullscreen button's icon on demand, i.e. out-of-band and not reactively
+        to a click interaction
+        ([#1590](https://github.com/androidx/media/issues/1590),
+        [#184](https://github.com/androidx/media/issues/184)).
 *   Downloads:
 *   OkHttp Extension:
 *   Cronet Extension:
diff --git a/libraries/ui/src/main/java/androidx/media3/ui/PlayerControlView.java b/libraries/ui/src/main/java/androidx/media3/ui/PlayerControlView.java
index a8e4c831b6..f19d4e90b5 100644
--- a/libraries/ui/src/main/java/androidx/media3/ui/PlayerControlView.java
+++ b/libraries/ui/src/main/java/androidx/media3/ui/PlayerControlView.java
@@ -1575,15 +1575,30 @@ public class PlayerControlView extends FrameLayout {
   }
 
   private void onFullScreenButtonClicked(View v) {
-    if (onFullScreenModeChangedListener == null) {
+    updateIsFullscreen(!isFullScreen);
+  }
+
+  /**
+   * Updates whether the controller is in fullscreen, changing its fullscreen icon and reports it to
+   * to the listener.
+   *
+   * <p>For {@code isFullscreen} equals {@code true} the icon will be set to
+   * {@code @drawable/exo_styled_controls_fullscreen_exit} or else
+   * {@code @drawable/exo_styled_controls_fullscreen_enter}.
+   *
+   * @param isFullscreen If the view is in full screen.
+   */
+  public void updateIsFullscreen(boolean isFullscreen) {
+    if (this.isFullScreen == isFullscreen) {
       return;
     }
 
-    isFullScreen = !isFullScreen;
-    updateFullScreenButtonForState(fullScreenButton, isFullScreen);
-    updateFullScreenButtonForState(minimalFullScreenButton, isFullScreen);
+    this.isFullScreen = isFullscreen;
+    updateFullScreenButtonForState(fullScreenButton, isFullscreen);
+    updateFullScreenButtonForState(minimalFullScreenButton, isFullscreen);
+
     if (onFullScreenModeChangedListener != null) {
-      onFullScreenModeChangedListener.onFullScreenModeChanged(isFullScreen);
+      onFullScreenModeChangedListener.onFullScreenModeChanged(isFullscreen);
     }
   }
 
diff --git a/libraries/ui/src/main/java/androidx/media3/ui/PlayerView.java b/libraries/ui/src/main/java/androidx/media3/ui/PlayerView.java
index e4c4d0b013..535802b098 100644
--- a/libraries/ui/src/main/java/androidx/media3/ui/PlayerView.java
+++ b/libraries/ui/src/main/java/androidx/media3/ui/PlayerView.java
@@ -1139,6 +1139,21 @@ public class PlayerView extends FrameLayout implements AdViewProvider {
     controller.setOnFullScreenModeChangedListener(componentListener);
   }
 
+  /**
+   * Sets whether the player is currently in fullscreen, this will change the displayed icon.
+   *
+   * <p>If {@code isFullscreen} is {@code true},
+   * {@code @drawable/exo_styled_controls_fullscreen_exit} will be displayed or else
+   * {@code @drawable/exo_styled_controls_fullscreen_enter}.
+   *
+   * @param isFullscreen Whether the player is currently in fullscreen.
+   */
+  @UnstableApi
+  public void setFullscreenButtonState(boolean isFullscreen) {
+    Assertions.checkStateNotNull(controller);
+    controller.updateIsFullscreen(isFullscreen);
+  }
+
   /**
    * Sets the {@link PlayerControlView.OnFullScreenModeChangedListener}.
    *