backAlign static method
      
Animation<Alignment> 
backAlign(
    
- AnimationController controller,
 - Alignment beginAlign,
 - Alignment endAlign
 
Card aniamtion Align
Implementation
static Animation<Alignment> backAlign(AnimationController controller,
    Alignment beginAlign, Alignment endAlign) {
  return new AlignmentTween(begin: beginAlign, end: endAlign).animate(
      new CurvedAnimation(parent: controller, curve: Curves.easeOut));
}