(The implementation technology of Wi. R network in the current popular Android system is studied. In the detailed analysis of Wi On the basis of the system construction of the Fi module, from the point of view of system users and programmers, this paper deeply analyzes the implementation of initialization, startup, access point scanning and IP address configuration of the Wi Fi module, and successfully verifies the implementation process of the Wi Fi network by porting and debugging the Wi Fi driver. This document includes the following annexes:)