Introduction - If you have any usage issues, please Google them yourself
android system does not come with the file manager, but in many cases, we have, such as the need to open the file from the SD, you must use the Explorer developed by the tripartite used etc. as AndExplorer. This case, after the release, users also need to install the software dependent, very troublesome. Here in Explorer code, only need about one hundred lines of a class that is most commonly used file selection function.