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RecyclerView NullPointerException getItemCount中的问题

请仔细研究一下,让我知道出了什么问题.

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
    private ItemData[] itemsData;

    public MyAdapter(ItemData[] itemsData) {
        this.itemsData = itemsData;
    }

    public MyAdapter(String[] titles, int[] icons, String name, String email, int profile) {}

    // Create new views (invoked by the layout manager)
    @Override
    public MyAdapter.ViewHolder onCreateViewHolder(ViewGroup parent,
        View itemLayoutView = LayoutInflater.from(parent.getContext()).inflate(R.layout.tab1list, null);
        // create ViewHolder
        ViewHolder viewHolder = new ViewHolder(itemLayoutView);
        return viewHolder;
    }

    // Replace the contents of a view (invoked by the layout manager)
    @Override
    public void onBindViewHolder(ViewHolder viewHolder, int position) { …
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android recycler-adapter android-recyclerview

2
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1
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