2

MainActivity
public class MainActivity extends AppCompatActivity {
    public RecyclerView rc;
    public RequestQueue requestQueue;
    public MyAdapter myAdapter;
    Beam sb;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        rc=findViewById(R.id.recycler_view);
        requestQueue= Volley.newRequestQueue(this);
        GridLayoutManager gridLayoutManager=new GridLayoutManager(this,2);
        rc.setLayoutManager(gridLayoutManager);
        initData();

    }
    public void initData(){
        String url="http://www.qubaobei.com/ios/cf/dish_list.php?stage_id=1&limit=10&page=1";
        StringRequest mStringRequest = new StringRequest(Request.Method.GET, url,
                new Response.Listener<String>() {
                    @Override
                    public void onResponse(String response) {
                        Log.e( "onResponse: 1111", response);
                        sb=new Gson().fromJson(response,Beam.class);

                        myAdapter=new MyAdapter(getApplicationContext(),sb);

                        myAdapter.setOnItemClickListener(new OnItemClickListener() {
                            @Override
                            public void onItemClick(View view, int position) {
                                Toast.makeText(MainActivity.this, sb.getData().get(position).getTitle(), Toast.LENGTH_SHORT).show();
                            }
                        });
                        rc.setAdapter(myAdapter);
                    }
                }, new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
                Log.e("wangshu", error.getMessage(), error);
            }
        });
        //将请求添加在请求队列中
        requestQueue.add(mStringRequest);
    }
}

MainBActivity
public class MainBActivity extends AppCompatActivity {
    ShopBean.InfoBean.GoodsBean  good;
    ImageView imageView;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.layout2);
        imageView=findViewById(R.id.imageView2);
        good=( ShopBean.InfoBean.GoodsBean )getIntent().getExtras().get("good");
        Glide.with(this).load(good.getThumb()).into(imageView);
    }
}


MyAdapter
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder>{
    public Beam shopBean;
    public Context context;
    private OnItemClickListener mOnItemClickListener;//声明接口
    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
        mOnItemClickListener = onItemClickListener;
    }

    public  MyAdapter(Context context,Beam shopBean){
    this.shopBean=shopBean;
    this.context=context;
//        Log.e( "onResponse: 1111", shopBean.getData().toString());
    }
    @Override
    public MyAdapter.MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout,parent,false);
        MyViewHolder holder = new MyViewHolder(view);
        return holder;

    }

    @Override
    public void onBindViewHolder(final  MyAdapter.MyViewHolder holder, int position) {

        holder.tv1.setText(shopBean.getData().get(position).getTitle());
        holder.tv2.setText("¥   " + shopBean.getData().get(position).getCollect_num());
        Glide.with(context).load(shopBean.getData().get(position).getPic()).into(holder.imageView);

        if (mOnItemClickListener != null) {
            holder.imageView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    int position = holder.getLayoutPosition();
                    mOnItemClickListener.onItemClick(holder.itemView, position);
                }
            });
        }



    }

    @Override
    public int getItemCount() {
        return shopBean.getData().size();
    }
    class MyViewHolder extends ViewHolder{
        ImageView imageView;
        TextView tv1;
        TextView tv2;
        TextView tv3;

        public MyViewHolder(View itemView) {
            super(itemView);
            imageView=itemView.findViewById(R.id.imageView);
            tv1=itemView.findViewById(R.id.textView);
            tv2=itemView.findViewById(R.id.textView2);
            tv3=itemView.findViewById(R.id.textView3);

        }
    }





}
OnItemClickListener
public interface OnItemClickListener {
    void onItemClick(View view, int position);
}

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