@Override
            public void accept(Float aFloat) {
                findViewById(R.id.icon_3).setAlpha(1f - aFloat);
            }
Layout group which handles the icon animation while forwarding and rewinding.

Since it's based on view's alpha the fading effect is more fluid (more YouTube-like) than
using static drawables, especially when [cycleDuration] is low.

Used by [YouTubeOverlay][com.github.vkay94.dtpv.youtube.YouTubeOverlay].
app/src/main/java/com/brouken/player/dtpv/youtube/views/SecondsView.java