绝对直接存储的图像，在XML反对。这将需要时间来阅读从文件系统的形象，但我不会担心这个服用时间过长。

Definitely store the images directly as opposed to in XML. It will take time to read the image from the file system but I wouldn't worry about this taking an excessively long time.

读通过数据存储在Android文档的详细信息： HTTP： //d.android.com/guide/topics/data/data-storage.html

Read through the android docs on Data Storage for more info: http://d.android.com/guide/topics/data/data-storage.html