单击回收器查看片段中的项目后显示间隙广告

<!-- ad_layout.xml -->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:padding="0dp"
    android:background="@android:color/transparent">

    <!-- 广告内容 -->

</LinearLayout>

LinearLayoutManager layoutManager = new LinearLayoutManager(context);
layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
layoutManager.setGapStrategy(LinearLayoutManager.GAP_HANDLING_MOVE_ITEMS_BETWEEN_SPANS);
recyclerView.setLayoutManager(layoutManager);

public class SpacesItemDecoration extends RecyclerView.ItemDecoration {
    private int space;

    public SpacesItemDecoration(int space) {
        this.space = space;
    }

    @Override
    public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
        outRect.left = space;
        outRect.right = space;
        outRect.bottom = space;

        // Add top margin only for the first item to avoid double space between items
        if (parent.getChildAdapterPosition(view) == 0) {
            outRect.top = space;
        }
    }
}

// 在RecyclerView中添加ItemDecoration
recyclerView.addItemDecoration(new SpacesItemDecoration(16)); // 16dp 间隙

// 示例：在RecyclerView的Adapter中加载广告
public class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
    private static final int VIEW_TYPE_ITEM = 0;
    private static final int VIEW_TYPE_AD = 1;

    @Override
    public int getItemViewType(int position) {
        // 根据位置判断是否显示广告
        if (position % 5 == 0) { // 每5个项目显示一个广告
            return VIEW_TYPE_AD;
        } else {
            return VIEW_TYPE_ITEM;
        }
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        if (viewType == VIEW_TYPE_AD) {
            View adView = LayoutInflater.from(parent.getContext()).inflate(R.layout.ad_layout, parent, false);
            return new AdViewHolder(adView);
        } else {
            View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_layout, parent, false);
            return new ItemViewHolder(itemView);
        }
    }

    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
        if (holder instanceof ItemViewHolder) {
            // 绑定项目数据
        } else if (holder instanceof AdViewHolder) {
            // 加载广告
        }
    }

    @Override
    public int getItemCount() {
        // 返回项目总数加上广告数量
        return itemCount + adCount;
    }

    static class ItemViewHolder extends RecyclerView.ViewHolder {
        // 项目视图持有者
    }

    static class AdViewHolder extends RecyclerView.ViewHolder {
        // 广告视图持有者
    }
}