private void StartColorButtonClick(object sender, EventArgs e)
{
_animation = (AnimationDrawable)_gradientImageView.Background;
_animation.SetEnterFadeDuration(ms: 1000);
_animation.SetExitFadeDuration(ms: 2000);
_animation.Start();
}
public void Start()
{
if (linearLayout != null)
{
linearLayout.SetBackgroundResource(drawableId);
}
else if (relativeLayout != null)
{
relativeLayout.SetBackgroundResource(drawableId);
}
else
{
imageView?.SetBackgroundResource(drawableId);
}
if (linearLayout != null)
{
frameAnimation = (AnimationDrawable)linearLayout.Background;
}
else if (relativeLayout != null)
{
frameAnimation = (AnimationDrawable)relativeLayout.Background;
}
else if (imageView != null)
{
frameAnimation = (AnimationDrawable)imageView.Background;
}
frameAnimation.SetEnterFadeDuration(duration);
frameAnimation.SetExitFadeDuration(duration);
frameAnimation.Start();
}
private void AddBackgroundAnimations()
{
CoordinatorLayout rootLayout = (CoordinatorLayout)FindViewById(Resource.Id.root_layout);
AnimationDrawable animationDrawable = (AnimationDrawable)rootLayout.Background;
animationDrawable.SetEnterFadeDuration(2000);
animationDrawable.SetExitFadeDuration(4000);
animationDrawable.Start();
}