SpringAnimation 实现菜单从顶部弹出从底部消失动画效果

implementation 'com.android.support:support-dynamic-animation:27.1.1'1

ALPHA
ROTATION
ROTATION_X
ROTATION_Y
SCALE_X
SCALE_Y
SCROLL_X
SCROLL_Y
TRANSLATION_X
TRANSLATION_Y
TRANSLATION_Z
X
Y
Z

SpringAnimation signUpBtnAnimY = new SpringAnimation(constraintLayout, DynamicAnimation.ROTATION, 0);

STIFFNESS_HIGH
STIFFNESS_LOW
STIFFNESS_MEDIUM
STIFFNESS_VERY_LOW

signUpBtnAnimY.getSpring().setStiffness(SpringForce.STIFFNESS_LOW);

DAMPING_RATIO_HIGH_BOUNCY
DAMPING_RATIO_LOW_BOUNCY
DAMPING_RATIO_MEDIUM_BOUNCY
DAMPING_RATIO_NO_BOUNCY

signUpBtnAnimY.getSpring().setDampingRatio(SpringForce.DAMPING_RATIO_MEDIUM_BOUNCY);

public void showAnimal() {
    setVisibility(View.VISIBLE);
    SpringAnimation signUpBtnAnimY = new SpringAnimation(constraintLayout, DynamicAnimation.TRANSLATION_Y, 0);
    signUpBtnAnimY.getSpring().setStiffness(SpringForce.STIFFNESS_LOW);
    signUpBtnAnimY.getSpring().setDampingRatio(SpringForce.DAMPING_RATIO_MEDIUM_BOUNCY);
    signUpBtnAnimY.setStartVelocity(5000);
    signUpBtnAnimY.start();
  }

public void hideAnimal() {
    height = (ScreenTools.getScreenHeight(getContext()) - constraintLayout.getHeight()) / 2 + constraintLayout.getHeight() + ScreenTools.dp2px(getContext(),50);
    ObjectAnimator animator = ObjectAnimator.ofFloat(constraintLayout, "translationY", 0f, -100f, height);
    animator.setDuration(600);
    animator.setInterpolator(new DecelerateInterpolator());
    animator.addListener(new AnimatorListenerAdapter() {
      @Override
      public void onAnimationEnd(Animator animation) {
        super.onAnimationEnd(animation);
        setVisibility(GONE);
        reLayout();
      }
    });
    animator.start();
  }