Defining a Slide Transition for Flutter App

slide_animation_controller.dart

AnimationController _controller;
Animation<Offset> _myAnimation;

@override
void initState() {
  // TODO: implement initState
  super.initState();
  _controller = AnimationController(
    duration: const Duration(seconds: 2),
    vsync: this,
  );

  _myAnimation = Tween<Offset>(
    begin: Offset.zero,
    end: const Offset(1.5, 0.0),

  ).animate(CurvedAnimation(
    parent: _controller,
    curve: Curves.elasticIn,
  ));
}