ViewUtilsLollipop.java 文件源码

static void setStateListAnimatorFromAttrs(
    View view, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
  final Context context = view.getContext();
  final TypedArray a =
      context.obtainStyledAttributes(attrs, STATE_LIST_ANIM_ATTRS, defStyleAttr, defStyleRes);
  try {
    if (a.hasValue(0)) {
      StateListAnimator sla =
          AnimatorInflater.loadStateListAnimator(context, a.getResourceId(0, 0));
      view.setStateListAnimator(sla);
    }
  } finally {
    a.recycle();
  }
}