Java tutorial
//package com.java2s; //License from project: Apache License import android.content.Context; import java.io.*; public class Main { public static void copyAssets(Context context, String dir, String fileName) { // String[] files; File mWorkingPath = new File(dir); if (!mWorkingPath.exists()) { if (!mWorkingPath.mkdirs()) { } } try { InputStream in = context.getAssets().open(fileName); System.err.println(""); File outFile = new File(mWorkingPath, fileName); OutputStream out = new FileOutputStream(outFile); // Transfer bytes from in to out byte[] buf = new byte[1024]; int len; while ((len = in.read(buf)) > 0) { out.write(buf, 0, len); } in.close(); out.close(); } catch (IOException e1) { e1.printStackTrace(); } } }