Viewpager2打开所选页面(从卡片视图)，不带碎片

<androidx.viewpager2.widget.ViewPager2
    android:id="@+id/viewPager"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

ViewPager2 viewPager = findViewById(R.id.viewPager);

// 创建适配器，可自定义实现
MyAdapter adapter = new MyAdapter();

// 设置适配器
viewPager.setAdapter(adapter);

// 添加页面变化监听器
viewPager.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
    @Override
    public void onPageSelected(int position) {
        // 页面选择时的逻辑操作
    }
});

class MyAdapter extends RecyclerView.Adapter<MyViewHolder> {
    private List<CardData> dataList; // 卡片数据集合

    // 设置卡片数据集合
    public void setDataList(List<CardData> dataList) {
        this.dataList = dataList;
        notifyDataSetChanged();
    }

    // 创建ViewHolder
    @NonNull
    @Override
    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.card_item, parent, false);
        return new MyViewHolder(view);
    }

    // 绑定数据到ViewHolder
    @Override
    public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
        CardData data = dataList.get(position);
        holder.bindData(data);
    }

    // 获取页面数量
    @Override
    public int getItemCount() {
        return dataList == null ? 0 : dataList.size();
    }
}

class MyViewHolder extends RecyclerView.ViewHolder {
    private TextView textView;

    public MyViewHolder(@NonNull View itemView) {
        super(itemView);
        textView = itemView.findViewById(R.id.card_text);
    }

    public void bindData(CardData data) {
        textView.setText(data.getTitle());
        // 设置其他数据...
    }
}

class CardData {
    private String title;
    // 其他字段...

    public CardData(String title) {
        this.title = title;
    }

    public String getTitle() {
        return title;
    }
}

view.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        int position = viewPager.getChildAdapterPosition(v);
        viewPager.setCurrentItem(position, true);
    }
});