list3.java

android 例子中的确良ApiDemos。很有代表意义

/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.view;


import android.app.ListActivity;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.Contacts.Phones;
import android.widget.ListAdapter;
import android.widget.SimpleCursorAdapter;

 /**
 * A list view example where the 
 * data comes from a cursor, and a
 * SimpleCursorListAdapter is used to map each item to a two-line
 * display.
 */
public class List3 extends ListActivity {
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // Get a cursor with all phones
        Cursor c = getContentResolver().query(Phones.CONTENT_URI, null, null, null, null);
        startManagingCursor(c);
        
        // Map Cursor columns to views defined in simple_list_item_2.xml
        ListAdapter adapter = new SimpleCursorAdapter(this,
                android.R.layout.simple_list_item_2, c, 
                        new String[] { Phones.NAME, Phones.NUMBER }, 
                        new int[] { android.R.id.text1, android.R.id.text2 });
        setListAdapter(adapter);
    }
  
}