Android 具有节标题的RecyclerView项（在任何位置动态更新元素）

我想显示一个带有节标题的RecyclerView。我指的是这个例子，这个很好用。但我想在任何位置插入或删除元素（带或不带节头）。通过扩展上述代码，我尝试了一些方法。但没有找到任何最佳解决方案。有人解决了这个问题吗？提前感谢

您可以使用该库：

1） 添加渐变依赖项： 2） 创建自定义剖面类： 4） 使用SectionedRecyclServiceAdapter设置您的RecyclView 5） 在分区中添加/删除项目：

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谢谢你，伙计。很好的图书馆。嗨，古斯塔沃，你能看看我关于你图书馆的问题吗？

dependencies {
    compile 'io.github.luizgrp.sectionedrecyclerviewadapter:sectionedrecyclerviewadapter:1.+'
}

class MySection extends StatelessSection {

    ArrayList<String> myList = new ArrayList<>(10);

    public MySection() {
        // call constructor with layout resources for this Section header and items 
        super(R.layout.section_header, R.layout.section_item);
    }

    public void addItem(int position, String item) {
        myList.add(position, item);
    }

    public void removeItem(int position) {
        myList.remove(position);
    }

    @Override
    public int getContentItemsTotal() {
        return myList.size();
    }

    @Override
    public RecyclerView.ViewHolder getItemViewHolder(View view) {
        // return a custom instance of ViewHolder for the items of this section
        return new MyItemViewHolder(view);
    }

    @Override
    public void onBindItemViewHolder(RecyclerView.ViewHolder holder, int position) {
        MyItemViewHolder itemHolder = (MyItemViewHolder) holder;

        // bind your view here
        itemHolder.tvItem.setText(myList.get(position));
    }
}

class MyItemViewHolder extends RecyclerView.ViewHolder {

    private final TextView tvItem;

    public MyItemViewHolder(View itemView) {
        super(itemView);

        tvItem = (TextView) itemView.findViewById(R.id.tvItem);
    }
}

// Create an instance of SectionedRecyclerViewAdapter 
SectionedRecyclerViewAdapter sectionAdapter = new SectionedRecyclerViewAdapter();

MySection mySection = new MySection();

// Add your Sections
sectionAdapter.addSection(mySection);

// Set up your RecyclerView with the SectionedRecyclerViewAdapter
RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recyclerview);
recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
recyclerView.setAdapter(sectionAdapter);

mySection.addItem(1, "Item 1");
mySection.remove(0);

sectionAdapter.notifyDataSetChanged();