RecycleView动画

LinearLayoutManager layoutManager = new LinearLayoutManager(mContext, LinearLayoutManager.VERTICAL, false);
mGoodsRecycle.setLayoutManager(layoutManager);
mGoodsListAdapter = new RecycleGoodsListAdapter(mContext, adapterListDatas);
mGoodsRecycle.setLayoutAnimation(AnimationUtils.loadLayoutAnimation(this, R.anim.layout_animation_fall_down));
mGoodsRecycle.setAdapter(mGoodsListAdapter);

layout_animation_fall_down：

android:animation="@anim/item_animation_fall_down"
android:delay="15%"
android:animationOrder="normal" />

item_animation_fall_down：

android:duration="1000">