Java tutorial
//package com.java2s; //License from project: Apache License import android.content.Context; import android.content.res.AssetManager; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; public class Main { /** * * * @param context * @param assetFilename * @param out * @throws IOException */ public static void copy(Context context, String assetFilename, File out) throws IOException { if (context == null) { return; } else if (out == null) { return; } if (!out.getParentFile().exists()) { out.getParentFile().mkdirs(); } AssetManager assetManager = context.getAssets(); InputStream is = null; FileOutputStream fos = null; try { is = assetManager.open(assetFilename); fos = new FileOutputStream(out); byte[] buf = new byte[1024]; int len = -1; while ((len = is.read(buf, 0, 1024)) != -1) { fos.write(buf, 0, len); } } finally { if (fos != null) fos.close(); if (is != null) is.close(); } } }