RecyclerViewSnap，这是一个AndroidUI控件，用SnapHelper抽象类中的RecyclerView实现类似GooglePlay中滑动的效果。运行效果：示例代码：startRecyclerView.setLayoutManager(new LinearLayoutManager(this,                LinearLayoutManager.HORIZONTAL, false));SnapHelper snapHelperStart = new GravitySnapHelper(Gravity.START);snapHelperStart.attachToRecyclerView(startRecyclerV