Android ListView

package cn.itcast.db;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import cn.itcast.domain.Person;import cn.itcast.service.PersonService;import android.app.Activity;import android.content.ContentResolver;import android.content.ContentValues;import android.database.Cursor;import android.net.Uri;import android.os.Bundle;import android.util.Log;import android.view.View;import android.widget.AdapterView;import android.widget.Button;import android.widget.ListView;import android.widget.SimpleAdapter;import android.widget.SimpleCursorAdapter;import android.widget.Toast;import android.widget.AdapterView.OnItemClickListener;public class MainActivity extends Activity {private static final String TAG = "MainActivity";    private ListView listView;    private PersonService service;        @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                Button button = (Button)this.findViewById(R.id.button);        button.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {ContentResolver contentResolver = getContentResolver();Uri insertUri = Uri.parse("content://cn.itcast.provides.personprovider/person");ContentValues values = new ContentValues();values.put("name", "laofang");values.put("phone", "13800029333");values.put("amount", "1000");contentResolver.insert(insertUri, values);}});                listView = (ListView)this.findViewById(R.id.listView);        service = new PersonService(this);      /*  List<Person> persons = service.getScrollData(0, 5);               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());        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);                listView.setOnItemClickListener(new ItemClickListener());        */        Cursor cursor = service.getCursorScrollData(0, 5);        SimpleCursorAdapter cursorAdapter = 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(cursorAdapter);        listView.setOnItemClickListener(new ItemClickListener());    }        private final class ItemClickListener implements OnItemClickListener{@Overridepublic void onItemClick(AdapterView<?> parent, View view, int position, long id) {ListView lView = (ListView)parent;/*HashMap<String, Object> item = (HashMap<String, Object>)lView.getItemAtPosition(position);Log.i(TAG, item.get("name").toString());Toast.makeText(MainActivity.this, item.get("name").toString(), 1).show();*/Cursor cursor = (Cursor)lView.getItemAtPosition(position);String name = cursor.getString(cursor.getColumnIndex("name"));Toast.makeText(MainActivity.this, name, 1).show();}        }}

        listView.setAdapter(cursorAdapter);        listView.setOnItemClickListener(new ItemClickListener());

深入了解Adapter，后续中再写一篇关于Adapter的文章。

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