The Android device turns on the hotspot mode, which is equivalent to a router. The home router comes with an HTTP server (which is our setting interface), so it is also feasible to have the router with an FTP server function. You only need to check how to build an FTP server on Android. For example, this http://blog.csdn.net/qinjuning/article/details/8545601 uses SwiFTP to develop an APP. As long as the client fills in the correct server IP and port, it can be accessed normally.
As long as ios is connected to the hotspot of android, just use QQ to send. . Then the question comes, what is the use of external files received by the ios system. .
The Android device turns on the hotspot mode, which is equivalent to a router. The home router comes with an HTTP server (which is our setting interface), so it is also feasible to have the router with an FTP server function.
You only need to check how to build an FTP server on Android. For example, this http://blog.csdn.net/qinjuning/article/details/8545601 uses SwiFTP to develop an APP.
As long as the client fills in the correct server IP and port, it can be accessed normally.
Xiaomi currently provides this function, you can check the information to find out.
Install BusyBox and it becomes a Linux environment
As long as ios is connected to the hotspot of android, just use QQ to send. .
Then the question comes, what is the use of external files received by the ios system. .
I think it should be possible. iOS devices can be used as FTP servers. Android should also have corresponding methods.