你在需要的地方調用這個工具類就可以了.
/**
* 從手機本地文件提取Ip地址與mac
* return List<Mac_Ip> ipmac = new ArrayList<>();
*/
public class GetIp {
private Mac_Ip mac_ip = null;
private List<Mac_Ip> macIps = new ArrayList<>();
private List<Mac_Ip> ipmac = new ArrayList<>();
private BufferedReader br = null;
private String line;
public List<Mac_Ip> getIp(){
try {
br = new BufferedReader(new FileReader("/proc/net/arp"));
macIps.clear();
ipmac.clear();
line = br.readLine();
while ((line = br.readLine()) != null) {
String[] splitted = line.split(" +");
if (splitted != null && splitted.length >= 4) {
String ip = splitted[0].trim();
String mac = splitted[3].trim();
mac_ip = new Mac_Ip(ip,mac);
macIps.add(mac_ip);
}
}
for (int i=0;i<macIps.size();i++){
String sixmac = macIps.get(i).getMac().toString().trim();
String[] splitted = sixmac.split(":");
System.out.print(splitted);
String eight = splitted[0].trim()+splitted[1].trim()+splitted[2].trim();
String xc = "888888";
if (eight.toString().trim().equals(xc)){
String ip = macIps.get(i).getIp().toString().trim();
String mac = macIps.get(i).getMac().toString().trim();
if (ipmac.size()==0){
mac_ip.setIp(ip);
mac_ip.setMac(mac);
ipmac.add(mac_ip);
}else {
for (int y=0;y<ipmac.size();y++){
if (mac!=ipmac.get(y).getMac().toString().trim()){
mac_ip.setIp(ip);
mac_ip.setMac(mac);
ipmac.add(mac_ip);
}
}
}
}
}
return ipmac;
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
}
獲取IP及mac