Android System Programming

Providing a proper wpa_supplicant configuration

To make wpa_supplicant work correctly, we need to prepare a wpa_supplicant.conf configuration file with the right permission. Wi-Fi-related configuration files are stored in the /data/misc/wifi/ directory. This directory is owned by the wifi user, which is also the user that the wpa_supplicant runs as.

The wpa_supplicant.conf configuration file for the eth1 wired connection can be found in the following snippet:

ctrl_interface=eth1 ap_scan=2 update_config=1 device_name=x86emu manufacturer=unknown serial_number= device_type=10-0050F204-5 config_methods=physical_display virtual_push_button external_sim=1 network={    ssid="WiredSSID"    key_mgmt=NONE    engine=1    priority=1 } 

In this configuration ...