Android 读取asset文件

*
   * 从Assets中读取图片
   */
  private Bitmap getImageFromAssetsFile(String fileName)
  {
      Bitmap image = null;
      AssetManager am = getResources().getAssets();
      try
      {
          InputStream is = am.open(fileName);
          image = BitmapFactory.decodeStream(is);
          is.close();
      }
      catch (IOException e)
      {
          e.printStackTrace();
      }  

      return image;  

  }