[Sample App] Fixed play button icon not updating
diff --git a/LottieSample/src/main/kotlin/com/airbnb/lottie/samples/PlayerFragment.kt b/LottieSample/src/main/kotlin/com/airbnb/lottie/samples/PlayerFragment.kt
index 311ba1c..d699236 100644
--- a/LottieSample/src/main/kotlin/com/airbnb/lottie/samples/PlayerFragment.kt
+++ b/LottieSample/src/main/kotlin/com/airbnb/lottie/samples/PlayerFragment.kt
@@ -250,6 +250,7 @@
         animationView.addAnimatorListener(animatorListener)
         playButton.setOnClickListener {
             if (animationView.isAnimating) animationView.pauseAnimation() else animationView.resumeAnimation()
+            playButton.isActivated = animationView.isAnimating
             postInvalidate()
         }