Android ContentProvider查看/读取手机联系人实例

<uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="android.permission.WRITE_CONTACTS" />

package com.example.android_contentersolver;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Contacts;
import android.provider.ContactsContract;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.ListView;
import android.widget.TextView;

public class MainActivity extends Activity {
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    findViewById(R.id.main_btn).setOnClickListener(new OnClickListener() { 
      @Override
      public void onClick(View v) {
        // TODO Auto-generated method stub
        //查询联系人号码
        final Cursor cursor = getContentResolver()
            .query(ContactsContract.CommonDataKinds
            .Phone.CONTENT_URI, null, null, null, null);

         BaseAdapter adapter = new BaseAdapter()
         {
           @Override
           public int getCount()
           {
             return cursor.getCount();
           }

           @Override
           public Object getItem(int position)
           {
             return position;
           }

           @Override
           public long getItemId(int position)
           {
             return position;
           }

           @Override
           public View getView(int position,
               View convertView, ViewGroup parent)
             {
               cursor.moveToPosition(position);
//               CheckBox rb = new CheckBox(MainActivity.this);
               TextView text=new TextView(MainActivity.this);
               // 获取联系人的电话号码，并去掉中间的中划线、空格
               String number = cursor
                 .getString(cursor.getColumnIndex(
                 ContactsContract.CommonDataKinds
                 .Phone.NUMBER))
                 .replace("-", "")
                 .replace(" ", "");
//               rb.setText(number);
               String name = cursor
                   .getString(cursor.getColumnIndex(
                   ContactsContract.CommonDataKinds
                   .Phone.DISPLAY_NAME));
                text.setText("名字："+name+"  电话号码："+number);


               return text;
             }
         };

       //加载listview
       ListView listview=(ListView) findViewById(R.id.mian_list);
       listview.setAdapter(adapter);
      }
    });


    //跳转系统的联系人界面
    findViewById(R.id.main_btn_sys).setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        // TODO Auto-generated method stub
        Intent intent=new Intent();
        intent.setAction(intent.ACTION_PICK);
        intent.setType("vnd.android.cursor.dir/phone");
        startActivityForResult(intent, 0x100);
      }
    });
  }

  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
  // TODO Auto-generated method stub
  super.onActivityResult(requestCode, resultCode, data);
    Uri uri=data.getData();
    Cursor cursor = getContentResolver()
        .query(uri, null, null, null, null);
    while(cursor.moveToNext()){
      String name=cursor.getString(cursor.getColumnIndexOrThrow(Contacts.Phones.NAME));
      String number=cursor.getString(cursor.getColumnIndexOrThrow(Contacts.Phones.NUMBER));
      TextView textview=(TextView) findViewById(R.id.mian_lists);
      textview.setText("名字："+name+"  电话号码："+number);
    }
  }



}