recyview多条目

最新推荐文章于 2025-06-26 15:10:49 发布

原创最新推荐文章于 2025-06-26 15:10:49 发布 · 164 阅读

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#recyvirw多条目

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博客涉及recyvirw多条目相关内容，但具体信息缺失。推测可能围绕recyvirw在处理多条目时的技术实现、应用场景等方面展开。

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public class Myadapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
Datas datas;
Context context;
private String url = "http://365jia.cn/uploads/";
public static final int one = 0;
public static final int two = 1;


public Myadapter(Datas datas, Context context) {
    this.datas = datas;
    this.context = context;
}

@Override
public int getItemViewType(int position) {
    if (position % 3 == 0) {
        return one;
    } else {
        return two;
    }
}

@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
    int type = getItemViewType(i);
    if (type == one) {
        View inflate = LayoutInflater.from(context).inflate(R.layout.iteam, null, false);
        Viewholder viewholder = new Viewholder(inflate);
        return viewholder;
    } else {
        View inflate = LayoutInflater.from(context).inflate(R.layout.iteam1, null, false);
        Viewholder1 viewholder1 = new Viewholder1(inflate);
        return viewholder1;
    }
}

@Override
public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, final int i) {
    if (viewHolder instanceof Viewholder) {
        ((Viewholder) viewHolder).textView.setText(datas.getData().getData().get(i).getTitle());
        String s = datas.getData().getData().get(i).getPics().get(0);
        Glide.with(context).load(url + s).into(((Viewholder) viewHolder).imageView);
        viewHolder.itemView.setOnLongClickListener(new View.OnLongClickListener() {
            @Override
            public boolean onLongClick(View v) {
                onclick.onlongclick(v.getId());
                removeList(i);
                return true;
            }
        });
        viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onclick.onclick(v.getId());
            }
        });

    } else if (viewHolder instanceof Viewholder1) {
        ((Viewholder1) viewHolder).textView1.setText(datas.getData().getData().get(i).getTitle());
        String s = datas.getData().getData().get(i).getPics().get(0);
        Glide.with(context).load(url + s).into(((Viewholder1) viewHolder).imageView1);
        viewHolder.itemView.setOnLongClickListener(new View.OnLongClickListener() {
            @Override
            public boolean onLongClick(View v) {
                onclick.onlongclick(v.getId());
                removeList(i);
                return true;
            }
        });
        viewHolder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onclick.onclick(v.getId());
            }
        });

    }


}


@Override
public int getItemCount() {
    return datas.getData().getData().size();
}

class Viewholder extends RecyclerView.ViewHolder {

    private final ImageView imageView;
    private final TextView textView;

    public Viewholder(@NonNull View itemView) {
        super(itemView);
        imageView = itemView.findViewById(R.id.image);
        textView = itemView.findViewById(R.id.text);

    }
}

class Viewholder1 extends RecyclerView.ViewHolder {

    private final ImageView imageView1;
    private final TextView textView1;

    public Viewholder1(@NonNull View itemView) {
        super(itemView);
        imageView1 = itemView.findViewById(R.id.image1);
        textView1 = itemView.findViewById(R.id.text1);

    }
}
      点击事件 和长按事件
public interface onclick {
    void onlongclick(int id);

    void onclick(int id);

}

onclick onclick;

public void setOnclick(Myadapter.onclick onclick) {
    this.onclick = onclick;
}

public void removeList(int position) {
    datas.getData().getData().remove(position);//删除数据源,移除集合中当前下标的数据
    notifyItemRemoved(position);//刷新被删除的地方
    notifyItemRangeChanged(position, getItemCount()); //刷新被删除数据，以及其后面的数据
}}