我可以通过以下方式获取Android中Wi-Fi接口的MAC地址:
final WifiInfo wi = wm.getConnectionInfo();
String mac = wi.getMacAddress();
然而,我发现当Wi-Fi充当无线接入点(路由器)(即热点或连接共享或AP)时,MAC地址已经不同了。我可以从
adb shell ip addr show
中得知这一点。当Wi-Fi连接到网络时,adb shell ip addr show
会显示:10: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether a0:0b:ba:xx:xx:xx brd ff:ff:ff:ff:ff:ff
inet 192.168.1.25/24 brd 192.168.1.255 scope global wlan0
inet6 fe80::a20b:baff:fee0:73c7/64 scope link
valid_lft forever preferred_lft forever
然而,当它作为接入点时,
10: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 02:1a:11:xx:xx:xx brd ff:ff:ff:ff:ff:ff
inet 192.168.43.1/24 brd 192.168.43.255 scope global wlan0
所以MAC地址不同。
我想知道如何从Java代码中获取Wi-Fi访问点的MAC地址 (02:1a:11:xx:xx:xx
)?