二级分类porowindow

第一步定义布局 定义两个布局 RecyclerView

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package com.bawei.moni;

import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.OrientationHelper;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
import android.widget.TextView;

import com.bawei.moni.adapter.ShowAdapter;
import com.bawei.moni.adapter.ThreeAdapter;
import com.bawei.moni.adapter.TwoAdapter;
import com.bawei.moni.api.Api;
import com.bawei.moni.bean.JsonBean;
import com.bawei.moni.bean.ListBean;
import com.bawei.moni.bean.TwoBean;
import com.bawei.moni.iview.Iview;
import com.bawei.moni.presenter.Presenter;
import com.bawei.moni.search.SearchView;
import com.google.gson.Gson;
import com.jcodecraeer.xrecyclerview.XRecyclerView;

import java.util.List;

public class MainActivity extends AppCompatActivity implements Iview {

    private SearchView searchView;
    private XRecyclerView xRecyclerView;
    private ImageView imageView;
    private ImageView imageView_dianji;
    private RecyclerView popWindow;

    private PopupWindow popupWindow;
    private TextView ttt;
    private Presenter presenter;
    private RecyclerView rlv_first;
    private LayoutInflater inflate;
    private String s="1001002";
    private String t="1001004002";
    private RecyclerView rlv_two;
    private ShowAdapter showAdapter;
    private PopupWindow popupWindow2;
    private RecyclerView three_rly;
    private TwoAdapter twoAdapter;
    private PopupWindow window;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
       //初始化
        searchView = findViewById(R.id.main_search);
        imageView_dianji = findViewById(R.id.sou_iamge);
          //初始化p层
        presenter = new Presenter();
        presenter.attchView(this);
         presenter.getDataThree(Api.Url_three+"?categoryId="+t+"&page="+1+"&count="+5,MainActivity.this);
        //图片点击
        imageView_dianji.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                presenter.getData(Api.Url,MainActivity.this);

            }
        });
    }

       //一级列表
    @Override
    public void getData(String data) {
        /*
        * 找布局
        * */
**假如说是fragment 页面  这里必须写getActivity方法**
        inflate = (LayoutInflater) this.getSystemService(LAYOUT_INFLATER_SERVICE);

        View view1 = inflate.inflate(R.layout.pupowindow_layout, null);
        rlv_first = view1.findViewById(R.id.pop_rx);


        Gson gson=new Gson();
        JsonBean jsonBean = gson.fromJson(data, JsonBean.class);
        final List list = jsonBean.getResult();
        LinearLayoutManager layoutManager = new LinearLayoutManager(MainActivity.this);
        layoutManager.setOrientation(OrientationHelper.HORIZONTAL);
        showAdapter = new ShowAdapter(list, MainActivity.this);
        rlv_first.setLayoutManager(layoutManager);
        rlv_first.setAdapter(showAdapter);
        showAdapter.setOnclink(new ShowAdapter.OneOnclink() {
            @Override
            public void onClink(int pition) {
                String id = list.get(pition).getId();
                presenter.getDataTwo(Api.Url_two+"?firstCategoryId="+id,MainActivity.this);
            }
        });

        /*
        * 創建popwindow
        * */
        popupWindow = new PopupWindow(view1, ActionBar.LayoutParams.FILL_PARENT,
                ActionBar.LayoutParams.WRAP_CONTENT
        );
        //设置
        popupWindow.setOutsideTouchable(true);
        popupWindow.setFocusable(true);
        //设置颜色
        ColorDrawable colorDrawable = new ColorDrawable((Color.GRAY));
        popupWindow.setBackgroundDrawable(colorDrawable);
        popupWindow.showAsDropDown(imageView_dianji);
    }
    //二级列表
    @Override
    public void getDataTwo(String data) {
         //找布局
        View inflate = this.inflate.inflate(R.layout.pop_second, null);
        rlv_two = inflate.findViewById(R.id.pop_rx2);

        Gson gson=new Gson();
        TwoBean twoBean = gson.fromJson(data, TwoBean.class);
        final List result = twoBean.getResult();
        LinearLayoutManager layoutManager = new LinearLayoutManager(MainActivity.this);
        layoutManager.setOrientation(OrientationHelper.HORIZONTAL);
        twoAdapter = new TwoAdapter(result, MainActivity.this);
        rlv_two.setLayoutManager(layoutManager);
        rlv_two.setAdapter(twoAdapter);
         //点击
        twoAdapter.setTwoOnclink(new TwoAdapter.TwoOnclink() {
            @Override
            public void onClink(int potion) {
                String id = result.get(potion).getId();
                Log.e("qqq",id);
                presenter.getDataThree(Api.Url_three+"?categoryId="+id+"&page="+1+"&count="+5,MainActivity.this);
            }
        });

        popupWindow2 = new PopupWindow(inflate, ActionBar.LayoutParams.FILL_PARENT,
                ActionBar.LayoutParams.WRAP_CONTENT
        );
        //设置
       popupWindow2.setOutsideTouchable(true);
       popupWindow2.setFocusable(true);
        //设置颜色
        ColorDrawable colorDrawable = new ColorDrawable((Color.GRAY));
        popupWindow2.setBackgroundDrawable(colorDrawable);
        popupWindow2.showAsDropDown(imageView_dianji,50,50);
    }
    //三级列表
    @Override
    public void getDataThree(String data) {
        //找布局
        Log.e("qqq",data.toString());
        View inflate = this.inflate.inflate(R.layout.pop_three, null);
        three_rly = inflate.findViewById(R.id.three_rly);

        Gson gson=new Gson();
        ListBean listBean = gson.fromJson(data, ListBean.class);
        List list = listBean.getResult();
        Log.e("www",list.toString());
        ThreeAdapter threeAdapter=new ThreeAdapter(list,MainActivity.this);
        GridLayoutManager gridLayoutManager = new GridLayoutManager(MainActivity.this, 2);
        three_rly.setLayoutManager(gridLayoutManager);
        three_rly.setAdapter(threeAdapter);

        window = new PopupWindow(inflate, ActionBar.LayoutParams.FILL_PARENT,
                ActionBar.LayoutParams.WRAP_CONTENT
        );
        //设置
        window.setOutsideTouchable(true);
        window.setFocusable(true);
        //设置颜色
        ColorDrawable colorDrawable = new ColorDrawable((Color.GRAY));
        window.setBackgroundDrawable(colorDrawable);
        window.showAsDropDown(imageView_dianji,90,90);
    }
}