getHttpBitmap是哪个jar包

android中获得网络图片时用到 Bitmap bitmap =getHttpBitmap(url);
可是getHttpBitmap是哪个jar包我网上找了好久都没有，急急急！

package com.android.antking.imageview;

import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;