AsyncQueryHandler 手机联系人信息读取

package com.droid; import java.util.ArrayList; import java.util.List; import android.app.Activity; import android.content.AsyncQueryHandler; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ListView; import android.widget.TextView; public class TestAsyncQueryHandler extends Activity { private static final String NAME = "name", NUMBER = "number", SORT_KEY = "sort_key"; private List<ContentValues> listData; private AsyncQueryHandler asyncQuery; private ListView personList; private BaseAdapter adapter; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); personList = (ListView) findViewById(R.id.list_view); asyncQuery = new MyAsyncQueryHandler(getContentResolver()); //异步读取联系人的信息 asyncQueryContact(); } private void asyncQueryContact() { // TODO Auto-generated method stub Uri uri = Uri.parse("content://com.android.contacts/data/phones"); String[] projection = { "_id", "display_name", "data1", "sort_key" }; asyncQuery.startQuery(0, null, uri, projection, null, null,"sort_key COLLATE LOCALIZED asc"); } private class MyAsyncQueryHandler extends AsyncQueryHandler { public MyAsyncQueryHandler(ContentResolver cr) { super(cr); } @Override protected void onQueryComplete(int token, Object cookie, Cursor cursor) { if (cursor != null && cursor.getCount() > 0) { listData = new ArrayList<ContentValues>(); //cursor.moveToFirst(); for (int i = 0; i < cursor.getCount(); i++) { ContentValues cv = new ContentValues(); cursor.moveToPosition(i); String name = cursor.getString(1); String number = cursor.getString(2); String sortKey = cursor.getString(3); if (number.startsWith("+86")) { cv.put(NAME, name); //process (+86) cv.put(NUMBER, number.substring(3)); cv.put(SORT_KEY, sortKey); } else { cv.put(NAME, name); cv.put(NUMBER, number); cv.put(SORT_KEY, sortKey); } listData.add(cv); } if (listData.size() > 0) { setAdapter(listData); } cursor.close(); } } } private void setAdapter(List<ContentValues> listData) { adapter = new ListAdapter(this, listData); personList.setAdapter(adapter); } private class ListAdapter extends BaseAdapter { private LayoutInflater inflater; private List<ContentValues> list; public ListAdapter(Context context, List<ContentValues> list) { this.inflater = LayoutInflater.from(context); this.list = list; } @Override public int getCount() { return list.size(); } @Override public Object getItem(int position) { return list.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder; if (convertView == null) { convertView = inflater.inflate(R.layout.list_item, null); holder = new ViewHolder(); holder.name = (TextView) convertView.findViewById(R.id.name); holder.number = (TextView) convertView.findViewById(R.id.number); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } ContentValues cv = list.get(position); holder.name.setText(cv.getAsString(NAME)); holder.number.setText(cv.getAsString(NUMBER)); return convertView; } private class ViewHolder { TextView name; TextView number; } } }