/**
* Get Androoid device mac address
* */
function getMacAddress(){
　　var net = plus.android.importClass("java.net.NetworkInterface")
　　console.log('mac', net)
　　var wl0 = net.getByName('wlan0')
　　var macByte = wl0.getHardwareAddress()
　　var str = ''
　　for (var i = 0; i < macByte.length; i++) {
　　　　var tmp = "";
　　　　var num = macByte[i];
　　　　if (num < 0) {
　　　　　　tmp =(255+num+1).toString(16);
　　　　} else {
　　　　　　tmp = num.toString(16);
　　　　}
　　　　if (tmp.length == 1) {
　　　　　　tmp = "0" + tmp;
　　　　}
　　　　if(i == macByte.length-1){
　　　　　　str += tmp;
　　　　}else{
　　　　　　str = str + tmp + "-";
　　　　}
　　}
　　console.log('mac', str.toUpperCase())
　　return str.toUpperCase()
}

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