private async void AddComponent()
{
StartAnimation();
buttonBack = new Button()
{
Text = "Go back",
Style = (Style)App.CurrentApp.Resources["buttonStyle"]
};
buttonBack.Clicked += (sender, e) =>
{
App.CurrentApp.MainPage = new Animation_TestMainPage();
};
await animation.Add(buttonBack);
stackLayoutContent.Children.Add(buttonBack);
await animation.Animate();
}