Java tutorial
//package com.java2s; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import android.content.res.AssetManager; import android.util.Log; public class Main { private static void copyFile(AssetManager assetManager, String filename, String destination) { InputStream in = null; OutputStream out = null; try { in = assetManager.open(filename); String newFileName = destination + File.separator + filename; out = new FileOutputStream(newFileName); byte[] buffer = new byte[1024]; int read; while ((read = in.read(buffer)) != -1) { out.write(buffer, 0, read); } in.close(); in = null; out.flush(); out.close(); out = null; } catch (Exception e) { Log.e("tag", e.getMessage()); } } }