Java tutorial
//package com.java2s; /** * Project Name:Gokit * File Name:AssertsUtils.java * Package Name:com.xpg.gokit.utils * Date:2014-11-21 15:57:30 * Copyright (c) 2014~2015 Xtreme Programming Group, Inc. * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 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.util.Log; public class Main { static public boolean copyAllAssertToCacheFolder(Context c) throws IOException { String[] files = c.getAssets().list("Devices"); String filefolder = c.getFilesDir().toString(); File devicefile = new File(filefolder + "/Devices/"); devicefile.mkdirs(); for (int i = 0; i < files.length; i++) { File devfile = new File(filefolder + "/Devices/" + files[i]); if (!devfile.exists()) { copyFileTo(c, "Devices/" + files[i], filefolder + "/Devices/" + files[i]); } } String[] filestr = devicefile.list(); for (int i = 0; i < filestr.length; i++) { Log.i("file", filestr[i]); } return true; } static public boolean copyFileTo(Context c, String orifile, String desfile) throws IOException { InputStream myInput; OutputStream myOutput = new FileOutputStream(desfile); myInput = c.getAssets().open(orifile); byte[] buffer = new byte[1024]; int length = myInput.read(buffer); while (length > 0) { myOutput.write(buffer, 0, length); length = myInput.read(buffer); } myOutput.flush(); myInput.close(); myOutput.close(); return true; } }