Introduction - If you have any usage issues, please Google them yourself
This project is one can automatically determine the SD card drive based on a small example, author readme:
Recently did a project, need to display pictures on the SD card, because our own Samsung mobile phone, the results found with Environment.getExternalStorageDirectory ().GetAbsolutePath () this code can only be shown pictures of the built-in SD card, there is no way to get pictures of the external SD card, search a lot. The results showed that are not satisfied, not what I want. Later integrated all kinds of information, and finally make a satisfactory. I of the code can automatically determine all the letter on the phone, do not need to manually specified, such as /sdcard0, like, and then on the basis of this, automatic judge several effective SD card.