wifisetting : wifimanager WiFienable:native 申明本地接口:jni 关联本地接口和底层实现:driver wifi实现
2)Wifi启动流程 (1)使能Wifi (2) 扫描AP (3)连接 (4)获取IP地址 启动dhcp
https://blog.csdn.net/lp542718520/article/details/76578235
WPAS wpa_supplicant