Apidemos-->Views-Lists-Cursor(people)学习

package com.example.testmyviewslistscursorpeople;

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

import android.app.ListActivity;
import android.content.Context;
import android.database.Cursor;
import android.net.LocalSocketAddress.Namespace;
import android.os.Bundle;
import android.provider.ContactsContract.Contacts;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.text.GetChars;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;

import com.example.testmyviewslistsactivateitems.R;

/**
 * 
 * @author Administrator 仿效果slow loading apiDemos -- Views -Lists - Slow Adapter
 */
public class Main extends ListActivity {

	private boolean mBusy = false;
	public static List mStrings = new ArrayList();

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		getPeople();
		setListAdapter(new SlowAdapter(this));
		// 设置选择模式为单选
		getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
		// 首次加载设置选中items
		getListView().setItemChecked(0, true);
		getListView().setOnScrollListener(new OnScrollListener());

	}

	protected class OnScrollListener implements ListView.OnScrollListener {

		@Override
		public void onScrollStateChanged(AbsListView view, int scrollState) {
			switch (scrollState) {
			// The view is not scrolling.
			case OnScrollListener.SCROLL_STATE_IDLE:
				mBusy = false;
				int first = view.getFirstVisiblePosition();
				int count = view.getChildCount();
				for (int i = 0; i 
实例源码

	protected void getPeople() {
		final String[] CONTACT_PROJECTION = new String[] { Contacts._ID,
				Contacts.DISPLAY_NAME };
		//联系人
		Cursor mCursor = getContentResolver().query(Contacts.CONTENT_URI,
				CONTACT_PROJECTION, null, null, null);
		//联系人电话
		Cursor phones = getContentResolver().query(
				ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,
				ContactsContract.CommonDataKinds.Phone.CONTACT_ID, null, null);
		while (mCursor.moveToNext()) {
			// 获取联系人
			String name = mCursor.getString(mCursor
					.getColumnIndex(Contacts.DISPLAY_NAME));
			mStrings.add(name);
			if (phones.moveToNext()) {
				//获取电话
				String phone = phones.getString(phones
						.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
				mStrings.add(phone);
			}
		
		}
		//关闭资源
		mCursor.close();
		phones.close();
	}