"RecyclerView:没有附加适配器；跳过布局"用于片段中的回收者视图 [英] "RecyclerView: No Adapter attached; skipping layout" for recyclerview in fragment

问题描述

我收到了这个错误，但我不知道是什么导致了它......也许与这是在片段中而不是在活动本身中初始化的事实有关.包含 StatsAdapter 代码

I'm getting this error but I don't know what is causing it...perhaps something to do with the fact that this is being initialized in a fragment and not in the activity itself. included StatsAdapter code

public class StatsFragment extends Fragment {

    private RecyclerView mRecyclerView;
    private LinearLayoutManager mLinearLayoutManager;
    private RecyclerView.Adapter mAdapter;
    private String[] myDataset = new String[]{"hello", "world", "yolo"};

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup parent, Bundle savedInstanceState) {
        View v = inflater.inflate(R.layout.fragment_stats, parent, false);
        mRecyclerView = (RecyclerView) v.findViewById(R.id.cardList);
        mRecyclerView.setHasFixedSize(true);
        mAdapter = new StatsAdapter(myDataset);
        mRecyclerView.setAdapter(mAdapter);
        mLinearLayoutManager = new LinearLayoutManager(getActivity());
        mLinearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
        mRecyclerView.setLayoutManager(mLinearLayoutManager);
        return v;
    }
}



public class StatsAdapter extends RecyclerView.Adapter<StatsAdapter.ViewHolder> {
    private String[] mDataset;

    public static class ViewHolder extends RecyclerView.ViewHolder {
        public TextView mTextView;
        public ViewHolder(View v) {
            super(v);
            mTextView = (TextView) v.findViewById(R.id.title);
        }
    }

    public StatsAdapter(String[] myDataset) {
        mDataset = myDataset;
    }

    @Override
    public StatsAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.fragment_stats, parent, false);
        ViewHolder vh = new ViewHolder(v);
        return vh;
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {
        holder.mTextView.setText(mDataset[position]);
    }

    @Override
    public int getItemCount() {
        return mDataset.length;
    }
}

推荐答案

将 setLayoutManager 行移到 setAdapter

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