Flutter - Issues With Animator

I'm here with more questions flutter questions. Today, I'm having issues with Animator. I'm trying to have a little heart symbol animate for my post liking code, but I keep getting

Solution 1:

It looks like you are using 0.1.4 Version of Animator Package. Update it to the latest version which is 2.0.1 ( visit here for Animator Package Updates ).

Animator(
            duration: Duration(milliseconds: 300),
            tween: Tween(begin: 0.8, end: 1.5),
            curve: Curves.elasticOut,
            cycles: 0,
            builder: (context, anim, child) => Transform.scale(
                scale: anim.value,
                child: Icon(Icons.favorite, color: Colors.pink, size: 100.0,),
            ),
          )

Check if it works!