google pixel external storage

Android storage learning: Reading and Writing files in External Storage This section describes how to read and write files in the internal storage of a mobile phone. That is how to read and write files in Sdcard. The previous logon interface is used as an example to illustrate how to read and write files in the interna

I don't know if you have any discoveries, from the rookie's growth history: http://blog.csdn.net/zjbpku/article/details/25161131,The KitKat version no longer supports the user's SDcard (secondary Storage) write operations. If the user wants to copy the files to the phone, they can onlystored in internal storage and cannot be stored in an external sdcard, and new

I don't know if you have any discovery, from cainiao's growth history: http://blog.csdn.net/zjbpku/article/details/25161131, Later versions of KitKat do not support write operations on external SDcard (Secondary Storage. If you want to copy files to your mobile phone It is stored in internal storage, but cannot be stored in e