Java tutorial
//package com.java2s; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import android.content.Context; import android.content.res.AssetManager; import android.util.Log; public class Main { public static void copyAssets(Context pContext, String pAssetFilePath, String pDestDirPath) { AssetManager assetManager = pContext.getAssets(); InputStream in = null; OutputStream out = null; try { in = assetManager.open(pAssetFilePath); File outFile = new File(pDestDirPath, pAssetFilePath); out = new FileOutputStream(outFile); copyFile(in, out); in.close(); in = null; out.flush(); out.close(); out = null; } catch (IOException e) { Log.e("tag", "Failed to copy asset file: " + pAssetFilePath, e); } } private static void copyFile(InputStream in, OutputStream out) throws IOException { byte[] buffer = new byte[1024 * 16]; int read; while ((read = in.read(buffer)) != -1) { out.write(buffer, 0, read); } } }