LoveLikeLayout.java 文件源码

/**
 * 爱心的显示动画实现
 */
private AnimatorSet getEnterAnimtorSet(View target) {
  //爱心的3中动画组合 透明度 x，y轴的缩放
  ObjectAnimator alpha = ObjectAnimator.ofFloat(target, View.ALPHA, 0.2f, 1f);
  ObjectAnimator scaleX = ObjectAnimator.ofFloat(target, View.SCALE_X, 0.2f, 1f);
  ObjectAnimator scaleY = ObjectAnimator.ofFloat(target, View.SCALE_Y, 0.2f, 1f);

  //组合动画
  AnimatorSet set = new AnimatorSet();
  set.setDuration(500);
  set.setInterpolator(new LinearInterpolator());
  set.playTogether(alpha, scaleX, scaleY);
  set.setTarget(target);

  return set;
}