二级列表展示数据库查询

package com.bawei.lian2;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import com.bawei.vo.Good;
import com.bawei.vo.Info;
import com.google.gson.Gson;

import android.os.Bundle;
import android.app.Activity;
import android.database.sqlite.SQLiteDatabase;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ExpandableListView;
import android.widget.ExpandableListView.OnChildClickListener;

public class MainActivity extends Activity {
    public static final String URL="http://www.hengboit.com/json/json_search.php?wd=";
    private EditText editText;
    private Button button;
    private ExpandableListView elv;
    private SQLiteDatabase db;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        editText = (EditText) findViewById(R.id.edittext);
        button = (Button) findViewById(R.id.button);
        elv = (ExpandableListView) findViewById(R.id.elv);
        MySqliteHelper helper=new MySqliteHelper(MainActivity.this,"ss",null,1);
         db = helper.getWritableDatabase();
         button.setOnClickListener(new OnClickListener() {
            
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                String name = editText.getText().toString();
                init(name);
            }
        });
       
    }
    private void init(final String name) {
        // TODO Auto-generated method stub
        new Thread(){
            private Set<String> set;

            public void run() {
                String st=NetWork.geturl("http://www.hengboit.com/json/json_search.php?wd="+name);
               Gson gson=new Gson();
               Good good = gson.fromJson(st, Good.class);
               List<Info> info = good.getInfo();
               set = new HashSet<String>();
               for(int i=0;i<info.size();i++){
                   set.add(info.get(i).getCtitle());
               }
               
              final List<String> list=new ArrayList<String>();
               list.addAll(set);
               for(int i=0;i<list.size();i++){
                String s = list.get(i);
                db.execSQL("insert into user values(null,?)",new Object[]{s});
               } 
               for(int i=0;i<info.size();i++){
                    String cid = info.get(i).getCid();
                    String ctime = info.get(i).getCtime();
                    String ctitle = info.get(i).getCtitle();
                    String id = info.get(i).getId();
                    String descript = info.get(i).getDescript();
                    String picurl = info.get(i).getPicurl();
                    String title = info.get(i).getTitle();
                    String type = info.get(i).getType();
                    db.execSQL("insert into good values(?,?,?,?,?,?,?,?)",new Object[]{id,cid,ctime,ctitle, descript,picurl,title,type});
                 
                   }
               runOnUiThread( new Runnable() {
                public void run() {
                    Shipei adapter=new Shipei(MainActivity.this,list);
                    elv.setAdapter(adapter);
                    elv.setOnChildClickListener(new OnChildClickListener() {
                        
                        @Override
                        public boolean onChildClick(ExpandableListView parent, View v,
                                int groupPosition, int childPosition, long id) {
                            // TODO Auto-generated method stub
                            
                            return false;
                        }
                    });
                }
            });
            };
        }.start();
    }
     
    
    
}

package com.bawei.lian2;

import java.util.ArrayList;
import java.util.List;

import com.bawei.vo.Info;
import com.lidroid.xutils.BitmapUtils;

import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class Shipei extends BaseExpandableListAdapter{
    Context context;
    List<String> list;
    private SQLiteDatabase db;
    
    public Shipei(Context context, List<String> list) {
        // TODO Auto-generated constructor stub
     this.context=context;
     this.list=list;
     MySqliteHelper helper=new MySqliteHelper(context,"ss",null,1);
     db = helper.getWritableDatabase();
   }

    



    @Override
    public Object getChild(int groupPosition, int childPosition) {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public long getChildId(int groupPosition, int childPosition) {
        // TODO Auto-generated method stub
        return 0;
    }

    @Override
    public View getChildView(int groupPosition, int childPosition,
            boolean isLastChild, View convertView, ViewGroup parent) {
        // TODO Auto-generated method stub
        String name = list.get(groupPosition);
        Cursor c = db.rawQuery("select * from good where ctitle=?", new String[]{name});
        List<Info> li=new ArrayList<Info>();
        while(c.moveToNext()){
          String cid=c.getString(c.getColumnIndex("cid"));
          String ctime=c.getString(c.getColumnIndex("ctime"));
          String ctitle=c.getString(c.getColumnIndex("ctitle"));
          String descript=c.getString(c.getColumnIndex("descript"));
          String id=c.getString(c.getColumnIndex("id"));
          String picurl=c.getString(c.getColumnIndex("picurl"));
          String title=c.getString(c.getColumnIndex("title"));
          String type=c.getString(c.getColumnIndex("type"));
          li.add(new Info(cid, ctime, ctitle, descript, id, picurl, title, type));
        }
        View view=View.inflate(context, R.layout.bu, null);
        ImageView img=(ImageView) view.findViewById(R.id.img);
        TextView tv_title=(TextView) view.findViewById(R.id.tv_title);
        TextView tv_desc=(TextView) view.findViewById(R.id.tv_desc);
        TextView tv_time=(TextView) view.findViewById(R.id.tv_time);
         Info in = li.get(childPosition);
         tv_title.setText(in.getTitle());
            tv_desc.setText(in.getDescript());    
            tv_time.setText(in.getCtitle());
            
            BitmapUtils bit=new BitmapUtils(context);
            bit.display(img,in.getPicurl());

        return view;
    }

    @Override
    public int getChildrenCount(int groupPosition) {
        // TODO Auto-generated method stub
        String name = list.get(groupPosition);
        Cursor c = db.rawQuery("select * from good where ctitle=?", new String[]{name});
        return c.getCount();
    }

    @Override
    public Object getGroup(int groupPosition) {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public int getGroupCount() {
        // TODO Auto-generated method stub
        Cursor c = db.rawQuery("select * from user ", new String[]{});
        return c.getCount();
        
    }

    @Override
    public long getGroupId(int groupPosition) {
        // TODO Auto-generated method stub
        return 0;
    }

    @Override
    public View getGroupView(int groupPosition, boolean isExpanded,
            View convertView, ViewGroup parent) {
        // TODO Auto-generated method stub
        Cursor c = db.rawQuery("select * from user ", new String[]{});
        List<String> l=new ArrayList<String>();
        while(c.moveToNext()){
            String st = c.getString(c.getColumnIndex("ctitle"));
            l.add(st);
        }
        View view=View.inflate(context, android.R.layout.simple_expandable_list_item_1, null);
        TextView textView=(TextView) view.findViewById(android.R.id.text1);
        textView.setText(l.get(groupPosition));
        return view;
    }

    @Override
    public boolean hasStableIds() {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public boolean isChildSelectable(int groupPosition, int childPosition) {
        // TODO Auto-generated method stub
        return true;
    }

}

package com.bawei.lian2;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
import android.database.sqlite.SQLiteOpenHelper;

public class MySqliteHelper extends SQLiteOpenHelper{

    public MySqliteHelper(Context context, String name, CursorFactory factory,
            int version) {
        super(context, name, factory, version);
        // TODO Auto-generated constructor stub
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        // TODO Auto-generated method stub
    db.execSQL("create table user(id integer primary key autoincrement, ctitle varchar(50))");    
    db.execSQL("create  table good(id varchar(50) , cid varchar(50),ctime varchar(50),ctitle varchar(50),descript varchar(100),picurl varchar(100), title varchar(100),type varchar(50))");
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        // TODO Auto-generated method stub
        
    }

}