Android学习记录：获取联系人

在AndroidManifest中申请读取联系人的权限

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

package com.example.getcontacts;

import android.os.Bundle;

import android.provider.ContactsContract.CommonDataKinds.Phone;

import android.provider.ContactsContract.CommonDataKinds.Photo;

import android.app.Activity;

import android.content.ContentResolver;

import android.database.Cursor;

import android.util.Log;

import android.view.Menu;

import android.view.View;

public class MainActivity extends Activity {

    private static final String[] PHONES_PROJECTION = new String[] {

            Phone.DISPLAY_NAME, Phone.NUMBER, Photo.PHOTO_ID, Phone.CONTACT_ID };

    private static final int PHONES_DISPLAY_NAME_INDEX = 0;

    private static final int PHONES_NUMBER_INDEX = 1;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        getMenuInflater().inflate(R.menu.main, menu);

        return true;

    }

    public void run(View v) {

        getPhoneContacts();

    }

    private void getPhoneContacts() {

        ContentResolver resolver = this.getContentResolver();

        Cursor phoneCursor = resolver.query(Phone.CONTENT_URI,

                PHONES_PROJECTION, null, null, null);

        if (phoneCursor != null) {

            while (phoneCursor.moveToNext()) {

                String phoneNumber = phoneCursor.getString(PHONES_NUMBER_INDEX);

                String contactName = phoneCursor.getString(PHONES_DISPLAY_NAME_INDEX);

                Log.i("PHONECONTACT", "PhoneNumber:" + phoneNumber+ " ContactName:" + contactName);

            }

            phoneCursor.close();

        }

    }

}