1,android动画分类?
http://www.cnblogs.com/angeldevil/archive/2011/12/02/2271096.html
2,android service启动和关闭方式?和如何调用service方法?
http://www.cnblogs.com/pengyingh/articles/4816957.html
http://blog.csdn.net/ithomer/article/details/7364024
http://www.cnblogs.com/linlf03/p/3296323.html
3,listview优化方法?
http://blog.csdn.net/linxcool/article/details/9793355
http://www.zhihu.com/question/19703384 (感觉知乎里的回答都很高端还有逗逼....)
4,第4个忘了........我这记性完蛋了....应该是和 2 , 3 难度一样的。
5,冒泡排序.......(这个百度百科好多)
http://baike.baidu.com/link?url=ZJiUThp-KNMK5NOg8gotmg4iy5kSzkoJOkvPXoCLWtTJf1EpVV4FGeJPBi_hDgy_dJBvKK5GQO-G9YwKR8P3ma