RecyclerView ItemTouchHelper如何锁定刷取项？

Question

但当我刷完后，该物品很快就会从列表中移除！我如何锁定刷过的项目，并通过单击“删除”按钮删除？就像Gmail的行为一样。

ps.I在此发布相同的问题https://code.google.com/p/android/issues/detail?can=2&start=0&num=100&q=&colspec=id%20type%20status%20owner%20summary%20stars&groupby=&sort=&id=189057

Answer 1

@Override
public void onChildDraw(Canvas c, RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState, boolean isCurrentlyActive) {
    float translationX;
    if(dX > 0){
      translationX = Math.min(-dX, viewHolder.itemView.getWidth() / 2);
    }
    else {
       translationX = Math.max(dX, (-1)* viewHolder.itemView.getWidth() / 2);
    }
    super.onChildDraw(c, recyclerView, viewHolder, translationX, dY, actionState, isCurrentlyActive);
}