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);

         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);
    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);
    }
  }



}