SQLiteDatabase db = ....;
db.beginTransaction();//开始事务
try {

package cn.itcast.db;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import cn.itcast.adapter.PersonAdapter;
import cn.itcast.domain.Person;
import cn.itcast.service.PersonService;
import android.app.Activity;
import android.database.Cursor;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.SimpleCursorAdapter;
import android.widget.Toast;
public class MainActivity extends Activity {
      private ListView listView;
      private PersonService personService;
      @Override
      public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.main);
            personService = new PersonService(this);
            listView = (ListView) this.findViewById(R.id.listView);
            listView.setOnItemClickListener(new ItemClickListener());
            show2();
      }
      private final class ItemClickListener implements OnItemClickListener{
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                  ListView lView = (ListView)parent;
                  /* 自定义适配器

Person person = (Person) lView.getItemAtPosition(position);

Toast.makeText(getApplicationContext(), person.getId().toString(), 1).show();*/
                  Cursor cursor = (Cursor) lView.getItemAtPosition(position);
                  int personid = cursor.getInt(cursor.getColumnIndex("_id"));
                  Toast.makeText(getApplicationContext(), personid+ "", 1).show();
            }
      }
      //自定义适配器
      private void show3() {
            List<Person> persons = personService.getScrollData(0, 20);
            PersonAdapter adapter = new PersonAdapter(this, persons, R.layout.item);
            listView.setAdapter(adapter);
      }
      private void show2() {
            Cursor cursor = personService.getCursorScrollData(0, 20);
            SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, R.layout.item, cursor,
new String[]{"name", "phone", "amount"}, new int[]{R.id.name, R.id.phone, R.id.amount});
      listView.setAdapter(adapter);
}
private void show() {
      List<Person> persons = personService.getScrollData(0, 20);
      List<HashMap<String, Object>> data = new ArrayList<HashMap<String,Object>>();
      for(Person person : persons){
            HashMap<String, Object> item = new HashMap<String, Object>();
            item.put("name", person.getName());
            item.put("phone", person.getPhone());
            item.put("amount", person.getAmount());
            item.put("id", person.getId());
            data.add(item);
      }
      SimpleAdapter adapter = new SimpleAdapter(this, data, R.layout.item,
new String[]{"name", "phone", "amount"}, new int[]{R.id.name, R.id.phone, R.id.amount});
listView.setAdapter(adapter);
}
}

package cn.itcast.adapter;
import java.util.List;
import cn.itcast.db.R;
import cn.itcast.domain.Person;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
public class PersonAdapter extends BaseAdapter {
      private List<Person> persons;//在绑定的数据
      private int resource;//绑定的条目界面
      private LayoutInflater inflater;
      public PersonAdapter(Context context, List<Person> persons, int resource) {
            this.persons = persons;
            this.resource = resource;
            inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
      }
      @Override
      public int getCount() {
            return persons.size();//数据总数
      }
      @Override
      public Object getItem(int position) {
            return persons.get(position);
      }
      @Override
      public long getItemId(int position) {
            return position;
      }
      @Override
      public View getView(int position, View convertView, ViewGroup parent) {
            TextView nameView = null;
            TextView phoneView = null;
            TextView amountView = null;
            if(convertView==null){
                  convertView = inflater.inflate(resource, null);//生成条目界面对象
                  nameView = (TextView) convertView.findViewById(R.id.name);
                  phoneView = (TextView) convertView.findViewById(R.id.phone);
                  amountView = (TextView) convertView.findViewById(R.id.amount);
                  ViewCache cache = new ViewCache();
                  cache.nameView = nameView;
                  cache.phoneView = phoneView;
                  cache.amountView = amountView;
                  convertView.setTag(cache);
            }else{
            ViewCache cache = (ViewCache) convertView.getTag();
            nameView = cache.nameView;
            phoneView = cache.phoneView;
            amountView = cache.amountView;
      }
      Person person = persons.get(position);
      //下面代码实现数据绑定
      nameView.setText(person.getName());
      phoneView.setText(person.getPhone());
      amountView.setText(person.getAmount().toString());
      return convertView;
}
private final class ViewCache{
      public TextView nameView;
      public TextView phoneView;
      public TextView amountView;
}
}

--转自