RecyclerView架构 - onBindViewHolder嵌套数据

Question

我希望按照图像显示列表，因为我正在使用回收站视图并且显示行很容易。但在每行中我想要显示多行

说

 i have 10 rows  and each row has different row inside 

 so 1 row have 3 rows   where as 2nd have 2 as on

  so what is best way to do this

我们可以在该行中再添加一个listview吗？ 或者在onBindViewHolder里面我必须手动循环  和膨胀布局

编辑： -  当我尝试这总是洗牌

 @Override
public void onBindViewHolder(final RecyclerViewHolder holder, int position) {

    for (int i = 0; i < position; i++) {
        View c = ((Activity) mContext).getLayoutInflater().inflate(R.layout.row2, null);

//（（TextView）c.findViewById（R.id.mis））。setText（data.get（position）+“”）;

        holder.inner.addView(c);
    }
    holder.n.setText(position+"");
    holder.itemView.setTag(position);

}

图片如下

Answer 1

是的，您可以在回收站视图中使用recyclelerview，只需要为此维护单独的适配器。

或者在这种情况下，您还可以使用可扩展列表视图，在这种情况下使用它会更容易。

Answer 2

如果在您的情况下，您没有很多行，则可以应用此项：

使用NestedScrollview并在其中添加2个RecyclerView。

如果您有特定的行数（如2-3），则很容易实现。

将layout_behavior添加到您的RecyclerViews，如下所示：

<android.support.v7.widget.RecyclerView
    android:id="@+id/myRecyclerView"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" />

包装布局高度的内容很重要。

android:layout_height="wrap_content"

最后，您应该添加它，因此滚动仅适用于NestedScrollView

myRecyclerView.setNestedScrollingEnabled(false);

如果您有许多项目，请使用具有多种类型视图的Single RecyclerView。

public class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
private final int TYPE_MAIN = 0;
private final int TYPE_SUB = 1;
private ArrayList<Object> dataSet;

class ViewHolderMain extends RecyclerView.ViewHolder {
    ...
}

class ViewHolderSub extends RecyclerView.ViewHolder {
    ...
}

@Override
public int getItemViewType(int position) {
    if(dataSet.get(position) instance of MainRowObject){
         return TYPE_MAIN;
    }else{
         return TYPE_SUB;
    }

}

@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
     switch (viewType) {
         case TYPE_MAIN: return new ViewHolderMain(...);
         case TYPE_SUB: return new ViewHolderSub(...);
         ...
     }
}
}

Answer 3

使用库SectionedRecyclerViewAdapter，您可以将项目分组：

class MySection extends StatelessSection {

    List<String> list;

    public MySection(List<String> list) {
        // call constructor with layout resource for this Section items 
        super(R.layout.section_item);

        this.list = list;
    }

    @Override
    public int getContentItemsTotal() {
        return list.size(); // number of items of this section
    }

    @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(list.get(position));
    }
}

然后使用您的部分设置RecyclerView：

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

// Create your sections with the list of data per row
MySection row1Section = new MySection(data1List);
MySection row2Section = new MySection(data2List);

// Add your Sections to the adapter
sectionAdapter.addSection(row1Section);
sectionAdapter.addSection(row2Section);

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