ContentResolverCursor

在AndroidManifest.xml添加<uses-permission android:name="android.permission.READ_CONTACTS"/>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.contentresolvercursor"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />

<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.contentresolvercursor.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="android.permission.READ_CONTACTS"/>
</manifest>

activity_mian.xml

<RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >

<TextView
android:id="@+id/main_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>

</RelativeLayout>

MainActivity.java

package com.example.contentresolvercursor;

import android.app.Activity;
import android.content.ContentResolver;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.provider.ContactsContract.PhoneLookup;
import android.view.Menu;
import android.widget.TextView;

public class MainActivity extends Activity {
private TextView tv;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv=(TextView) findViewById(R.id.main_tv);
//数据共享
ContentResolver cr=getContentResolver();
//游标相当于存储结果，类似ResultSet
Cursor namecursor=cr.query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
String content="";
//遍历结果
while (namecursor.moveToNext()) {
//获取用户名对应的下标，包含姓名和号码
int nameIndex=namecursor.getColumnIndex(PhoneLookup.DISPLAY_NAME);

//获取下表对应的姓名
String name=namecursor.getString(nameIndex);
content+="姓名："+name+"\n";

//获取号码对应的下标
String numberId=namecursor.getString(namecursor.getColumnIndex(ContactsContract.Contacts._ID));
Cursor numbercursor=cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, ContactsContract.CommonDataKinds.Phone.CONTACT_ID+"="+numberId, null, null);
String numbercontent="";
while(numbercursor.moveToNext()){
String numbercontent1=numbercursor.getString(numbercursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
numbercontent+=numbercontent1+"\n";
}
content+="电话："+numbercontent+"\n\n";
}
namecursor.close();
tv.setText(content);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}