Here you can find the source of getBitmapFromUrl(String url)
public static Bitmap getBitmapFromUrl(String url) throws Exception
//package com.java2s; import java.io.ByteArrayOutputStream; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import android.graphics.Bitmap; import android.graphics.BitmapFactory; public class Main { public static Bitmap getBitmapFromUrl(String url) throws Exception { byte[] bytes = getBytesFromUrl(url); return byteToBitmap(bytes); }/* ww w .j a va2s .co m*/ public static byte[] getBytesFromUrl(String url) throws Exception { return readInputStream(getRequest(url)); } public static Bitmap byteToBitmap(byte[] byteArray) { if (byteArray.length != 0) { return BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length); } else { return null; } } public static byte[] readInputStream(InputStream inStream) throws Exception { ByteArrayOutputStream outSteam = new ByteArrayOutputStream(); byte[] buffer = new byte[4096]; int len = 0; while ((len = inStream.read(buffer)) != -1) { outSteam.write(buffer, 0, len); } outSteam.close(); inStream.close(); return outSteam.toByteArray(); } public static InputStream getRequest(String path) throws Exception { URL url = new URL(path); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); conn.setConnectTimeout(5000); if (conn.getResponseCode() == 200) { return conn.getInputStream(); } return null; } }