Android获取手机联系人电话号码并返回结果

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical" >

 <TextView 
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:text="电话号码是："/>
 <EditText 
  android:id="@+id/editNumber"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:editable="false"/>
 <Button 
  android:id="@+id/buttonQuary"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:text="查询联系人"/>

</LinearLayout>

package com.getcontacts;

import android.net.Uri;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends Activity {
 Button button;
 EditText editText;
 private Uri uri_DATA = Uri.parse("content://com.android.contacts/data");

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);

  button = (Button) findViewById(R.id.buttonQuary);
  editText = (EditText) findViewById(R.id.editNumber);

  button.setOnClickListener(new OnClickListener() {

   @Override
   public void onClick(View arg0) {
    // TODO Auto-generated method stub
    editText.setText(""); //做跳转之前先把电话号码清空
    Intent intent = new Intent(Intent.ACTION_PICK,
      android.provider.ContactsContract.Contacts.CONTENT_URI);
    startActivityForResult(intent, 1);
   }
  });
 }

 @Override
 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
  // TODO Auto-generated method stub
  super.onActivityResult(requestCode, resultCode, data);
  if(requestCode == 1) { //请求码为1
   Log.i("info","resultADD");
   String strNumber = "";
   if(data != null) { //判断返回的intent是不是为空

    Uri uri = data.getData();
    Log.i("info", uri.toString()); //在log打印出来获取的uri
    Cursor cursor = getContentResolver().query(uri, null, null, null, null);
    while(cursor.moveToNext()) {
     String strID = cursor.getString(cursor.getColumnIndex("name_raw_contact_id"));
     Cursor cursor2 = getContentResolver().query(uri_DATA, null,
       "raw_contact_id = " + strID + " and mimetype_id = 5", null, null);
     if(cursor2.moveToFirst()) {
      strNumber = cursor2.getString(cursor2.getColumnIndex("data1"));
      strNumber = strNumber.replace(" ", "");
      strNumber = strNumber.replace("-", "");
     }
     cursor2.close();
    }
    cursor.close();
    editText.setText(strNumber);
   }
  }
 }

}