从assert文件下获取文件名字
String[] fl1 = getAssets().list("第一层");得到数据 ["images", "hello.txt"]String[] fl1 = getAssets().list("第一层/第二层");得到数据 [ "helloworld.txt"]将assert文件copy到sd卡/** * * @param fileName "第一层/第二层/helloworld.txt" * @param desDir "/mnt/sdcard/mypath/" * @throws Exception */PRivate void CopyAssetFile(String fileName, String desDir) throws Exception { String strCPSDPath = desDir + fileName;// "/mnt/sdcard/mypath/第一层/第二层/helloworld.txt" File file = new File(strCpSdPath); if (!file.getParentFile().exists()) { if (!file.getParentFile().mkdirs()) { Log.i("--CopyAssets--", "cannot create directory."); throw new Exception("存储卡写入失败!"); } } InputStream myInput = getAssets().open(fileName); file.createNewFile(); OutputStream myOutput = new FileOutputStream(file, true); byte[] buffer = new byte[1024]; int length; while ((length = myInput.read(buffer)) > 0) { myOutput.write(buffer, 0, length); } myOutput.flush(); myOutput.close(); myInput.close();}
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