Java tutorial
//package com.java2s; import android.content.Context; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; public class Main { private static void copyFileFromAssets(Context context, String destPathName, String fileName) { File destFile = new File(destPathName); if (!destFile.exists()) { try { /// InputStream inputStream = context.getAssets().open(fileName); FileOutputStream outputStream = new FileOutputStream(destPathName); /// byte[] i_buffer = new byte[1024]; for (;;) { int length = inputStream.read(i_buffer); if (length > 0) { outputStream.write(i_buffer, 0, length); } else { break; } } /// inputStream.close(); outputStream.close(); } catch (Exception e) { e.printStackTrace(); } } } }