1、文件加解密 - 密钥保存http://blog.csdn.net/zj510/article/details/40540925
2、关于Cygwin下载断点续传
http://blog.csdn.net/lionwoo/article/details/446964
3、setStartOffset方法：设置启动时间
http://book.51cto.com/art/201204/328296.htm
4、视频边下边播
http://blog.csdn.net/hellogv/article/details/7845480
http://blog.zhourunsheng.com/2012/05/android%E8%A7%86%E9%A2%91%E6%92%AD%E6%94%BE%E4%B9%8B%E8%BE%B9%E7%BC%93%E5%AD%98%E8%BE%B9%E6%92%AD%E6%94%BE/
http://stackoverflow.com/questions/9519822/android-play-video-from-file-buffer
http://stackoverflow.com/questions/21545123/how-can-i-play-a-video-in-chunks-of-bytes
5、eclipse 中添加工程 Some projects cannot be imported because they already exist in the workspace
http://blog.csdn.net/heb_feng/article/details/12052253