Java tutorial
//package com.java2s; import android.os.Environment; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; public class Main { public static void copyToSD(InputStream in, String fileName) { String path = Environment.getExternalStorageDirectory() + File.separator + fileName; File file = new File(path); try { FileOutputStream fos = new FileOutputStream(file); byte[] buffer = new byte[1024]; int len = 0; while ((len = in.read(buffer)) != -1) { fos.write(buffer, 0, len); } fos.close(); } catch (Exception e) { e.printStackTrace(); } } }