获取联系人信息方法

	package com.me.contacts.db;
	
	import java.io.InputStream;
	import java.util.ArrayList;
	
	import com.me.contacts.bean.ContactsBean;
	
	import android.content.ContentResolver;
	import android.content.Context;
	import android.database.Cursor;
	import android.graphics.Bitmap;
	import android.graphics.BitmapFactory;
	import android.net.Uri;
	import android.provider.ContactsContract.CommonDataKinds.Phone;
	import android.provider.ContactsContract.Contacts;
	
	/**
	 * ClassName:ContactsDAO <br/>
	 * Function: 获取联系人信息方法. <br/>
	 * Date: 2016年12月19日 下午7:50:05 <br/>
	 * 
	 * @author duc
	 * @version
	 */
	public class ContactsDAO {
	
	    public static ArrayList<ContactsBean> getAllContacts(Context context) {
	        ArrayList<ContactsBean> datas = new ArrayList<ContactsBean>();
	        ContentResolver cr = context.getContentResolver();
	        // 联系人Uri
	        Uri uri = Phone.CONTENT_URI;
	
	        String[] projection = new String[] {Phone.DISPLAY_NAME, // 名字
	                Phone.NUMBER, // 号码
	                Phone.CONTACT_ID}; // 图片id
	        Cursor cursor = cr.query(uri, projection, null, null, null);
	        if (cursor != null) {
	            while (cursor.moveToNext()) {
	                //
	                String name = cursor.getString(0);
	                String num = cursor.getString(1);
	                // 联系人头像图片id
	                String id = cursor.getString(2);
	
	                ContactsBean bean = new ContactsBean();
	                bean.name = name;
	                bean.num = num;
	                bean.id = id;
	                datas.add(bean);
	            }
	            cursor.close();
	        }
	        return datas;
	    }
	
	    public static Bitmap getContactsPhoto(Context context, String id) {
	        ContentResolver cr = context.getContentResolver();
	
	        Uri contactUri = Uri.withAppendedPath(Contacts.CONTENT_URI, id);
	
	        InputStream is = Contacts.openContactPhotoInputStream(cr, contactUri);
	
	        Bitmap bitmap = BitmapFactory.decodeStream(is);
	
	        return bitmap;
	    }
	
	}