Android 之 获取联系人信息

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

<uses-sdk android:minSdkVersion="7" />

<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name=".ContactActivity"
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>

package com.ethan.activity;

import java.util.ArrayList;
import java.util.List;

import android.app.ListActivity;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class ContactActivity extends ListActivity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

Uri contactsUri = ContactsContract.Contacts.CONTENT_URI;

String[] projection = new String[] {ContactsContract.Contacts.DISPLAY_NAME,
ContactsContract.Contacts.HAS_PHONE_NUMBER,
ContactsContract.Contacts.LOOKUP_KEY};

Cursor cursor = getContentResolver().query(contactsUri, projection, null, null, null);

List<String> contactsList = new ArrayList<String>();

String allPhoneNo = "";
if(cursor.getCount()>0) {
while(cursor.moveToNext()) {
if(cursor.getInt(cursor.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))>0) {
allPhoneNo=getAllPhoneNumbers(cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.LOOKUP_KEY)));
}

contactsList.add(cursor.getString(0)+" , "+allPhoneNo);
allPhoneNo = "";
}
}

// binding the data to ListView
setListAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1, contactsList));
/*  ListView lv = getListView();
lv.setTextFilterEnabled(true);*/
}

private String getAllPhoneNumbers(String lookUp_Key) {
String allPhoneNo = "";

Uri phoneUri = ContactsContract.CommonDataKinds.Phone.CONTENT_URI;
String[] projection2 = {ContactsContract.CommonDataKinds.Phone.NUMBER};
// using lookUp key to search the phone numbers
String selection = ContactsContract.Data.LOOKUP_KEY+"=?";
String[] selectionArgs = {lookUp_Key};

Cursor cur = getContentResolver().query(phoneUri, projection2, selection, selectionArgs, null);

while(cur.moveToNext()) {
allPhoneNo += cur.getString(0)+" ";
}
return allPhoneNo;
}
}