Android二级分类列表GirdView

1NextActivity

package com.louis.classifymenuview.listview2girdview;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.GridView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;

import com.louis.classifymenuview.LeftBaseAdapter;
import com.louis.classifymenuview.R;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class NextActivity extends AppCompatActivity {

    List> mainMapList=new ArrayList<>();
    List>> gridMapList_List=new ArrayList<>();
    List> nowGridMapList=new ArrayList<>();
    LeftBaseAdapter leftBaseAdapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_next);

        initData();

        ListView  classify_left_listview= (ListView) findViewById(R.id.classify_left);
        leftBaseAdapter=new LeftBaseAdapter(this,mainMapList);
        classify_left_listview.setAdapter(leftBaseAdapter);
        initAdapter(0);
        classify_left_listview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView parent, View view, int position, long id) {
                leftBaseAdapter.setNowSelectedIndex(position);

                initAdapter(position);
            }
        });


    }

    private void initAdapter(int position) {
        GridView classify_grid = (GridView) findViewById(R.id.classify_grid);
        nowGridMapList= gridMapList_List.get(position);
        SimpleAdapter simpleAdapter =
                new SimpleAdapter(NextActivity.this, nowGridMapList, R.layout.list_items_gird, new String[]{"girdName","girdIcon"}, new int[]{R.id.id_tv_list_item,R.id.id_tv_list_item_icon});
        classify_grid.setAdapter(simpleAdapter);
        classify_grid.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView parent, View view, int position, long id) {
                Toast.makeText(NextActivity.this,"点击了"+nowGridMapList.get(position).get("girdName"),Toast.LENGTH_SHORT).show();
            }
        });
    }

    private void initData() {
        for (int i=0;i<15;i++){
            Map mianMap=new HashMap<>();
            mianMap.put("mainName","mainName"+i);
            mainMapList.add(mianMap);

            List> gridMapList=new ArrayList<>();
            for (int j=0;j<50;j++){
                Map  gridMap=new HashMap<>();
                gridMap.put("girdName", "父" + i + "子" + j);
                if(j%2==0){
                    gridMap.put("girdIcon",R.mipmap.ic_launcher);
                }else
                {
                    gridMap.put("girdIcon",R.mipmap.louisgeek);
                }

                gridMapList.add(gridMap);
            }
            gridMapList_List.add(gridMapList);
        }
    }
}

2.xml 4 aty

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.louis.classifymenuview.MainActivity">


    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">
        <ListView
            android:id="@+id/classify_left"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="5"
            android:background="#fff"
            android:cacheColorHint="#00000000"
            android:divider="#fff"
            android:dividerHeight="1px"
            android:fastScrollEnabled="true"
            android:listSelector="#00000000"
            android:scrollbars="none" />

        
        <GridView
            android:id="@+id/classify_grid"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="5"
            android:background="#fff"
            android:cacheColorHint="#00000000"
            android:divider="#ffebebeb"
            android:dividerHeight="0.5px"
            android:fastScrollEnabled="true"

            android:layout_centerInParent="true"
            android:horizontalSpacing="2dp"
            android:verticalSpacing="2dp"
            android:numColumns="3"
            android:scrollbars="none"
            />

    LinearLayout>
LinearLayout>

3.BaseAdapter

package com.louis.classifymenuview;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

import java.util.List;
import java.util.Map;

/**
 * Created by Administrator on 2016/3/17.
 */
public class LeftBaseAdapter extends BaseAdapter {
    Context context;
    List> mainMapList;

    public int getNowSelectedIndex() {
        return nowSelectedIndex;
    }

    public void setNowSelectedIndex(int nowSelectedIndex) {
        this.nowSelectedIndex = nowSelectedIndex;
        this.notifyDataSetChanged();//及时通知显示
    }

    private int nowSelectedIndex = 0;
    public LeftBaseAdapter(Context context, List> mainMapList) {
        this.context = context;
        this.mainMapList=mainMapList;
    }

    @Override
    public int getCount() {
        return mainMapList.size();
    }

    @Override
    public Object getItem(int position) {
        return mainMapList.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        if (convertView==null){
            convertView= LayoutInflater.from(context).inflate(R.layout.list_items,null);
        }
        TextView tv_list_item= (TextView) convertView.findViewById(R.id.id_tv_list_item);
        tv_list_item.setText(mainMapList.get(position).get("mainName").toString());

        if (position==nowSelectedIndex){
            tv_list_item.setBackgroundColor(0xFFFFFFFF);
        }else
        {
            tv_list_item.setBackgroundColor(0xFFEBEBEB);
        }

        return convertView;
    }
}

4.left listview item xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
    android:id="@+id/id_tv_list_item"
    android:layout_width="match_parent"
    android:gravity="center_vertical"
    android:padding="10dp"
    android:layout_height="match_parent" />
LinearLayout>

5.right girdview item xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
    android:orientation="vertical"
    android:padding="10dp"
    >
 <ImageView
        android:id="@+id/id_tv_list_item_icon"
        android:layout_width="30dp"
         android:layout_height="30dp"
        android:src="@mipmap/ic_launcher"
     android:layout_gravity="center_horizontal" />
<TextView
    android:id="@+id/id_tv_list_item"
    android:layout_width="wrap_content"
    android:gravity="center_horizontal"
    android:textSize="12dp"
    android:text="xxx"
    android:layout_height="wrap_content" />
LinearLayout>

结果

demo下载：http://download.csdn.net/detail/richiezhu/9465089