unity if animator is playing code example

Example 1: how to know if the animator playing animation unity

bool AnimatorIsPlaying(){     return animator.GetCurrentAnimatorStateInfo(0).length >            animator.GetCurrentAnimatorStateInfo(0).normalizedTime;  }

Example 2: unity detect if animation is playing

if(this.GetComponent<Animator>().GetCurrentAnimatorStateInfo(0).normalizedTime >= 1)
{
	//Do something when animator isn't playing
{