Java tutorial
//package com.java2s; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import android.content.Context; public class Main { private static void copyResourceFile(Context context, int rid, String targetFile) throws IOException { InputStream fin = context.getResources().openRawResource(rid); FileOutputStream fos = new FileOutputStream(targetFile); int length; byte[] buffer = new byte[1024 * 32]; while ((length = fin.read(buffer)) != -1) { fos.write(buffer, 0, length); } fin.close(); fos.close(); } }