大佬教程收集整理的这篇文章主要介绍了Android L的RecyclerView中的挑战,大佬教程大佬觉得挺不错的,现在分享给大家,也给大家做个参考。
我已经使用NotifyItemInserted(position)将新值添加到RecyclerView中.用户界面没有自动刷新.需要上下刷新.但是当我调用notifyDatasetChanged(..)时,没关系.
我已经将DefaultItemAnimator应用到RecyclerView.但是,当新的项目添加时,没有看到任何动画.
感谢提前任何想法.
这是我的适配器类:
public class AdapterRecyclerView extends RecyclerView.Adapter<AdapterRecyclerView.MyViewHolder> { private List<String> arrExperiences; //Provide a reference to the type of views that you are using - Custom ViewHolder public class MyViewHolder extends RecyclerView.ViewHolder { public TextView tvExperiencetitle; public TextView tvExperienceDesc; public MyViewHolder(RelativeLayout itemView) { super(itemView); tvExperiencetitle = (TextView) itemView.findViewById(R.id.tv_experience_titlE); tvExperienceDesc = (TextView) itemView.findViewById(R.id.tv_experience_desc); } } //Provide a suitable constructor : depending on the kind of dataset. public AdapterRecyclerView(List<String> arrExperiences){ this.arrExperiences = arrExperiences; } //Create new view : invoke by a Layout Manager @Override public AdapterRecyclerView.MyViewHolder onCreateViewHolder(ViewGroup parent,int viewTypE) { RelativeLayout view = (RelativeLayout) LayoutInflater.from(parent.getContext()).inflate(R.layout.view_item_recycler,parent,falsE); MyViewHolder myViewHolder = new MyViewHolder(view); return myViewHolder; } @Override public void onBindViewHolder(AdapterRecyclerView.MyViewHolder viewHolder,int position) { //get element from your dataset at this position. //replace the content of the view with this element. viewHolder.tvExperiencetitle.setText(arrExperiences.get(position)); } @Override public int getItemCount() { return arrExperiences.size(); } public void addExperience(String experience,int position){ arrExperiences.add(position,experiencE); notifyItemInserted(position); //notifyDataSetChanged(); } public void removeExperience(){ int index = (int) (Math.random() * arrExperiences.size()); arrExperiences.remove(indeX); notifyItemRemoved(indeX); //notifyDataSetChanged(); } }
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