我正在使用以下代码扫描连接到启用热点的设备的 wifi 设备。它正在检测除一台设备之外的几乎所有设备。以下是代码片段
公共 ArrayList getClientList(boolean onlyReachables, intreachableTimeout) {
BufferedReader br = null;
ArrayList<ClientScanResultSO> result = null;
try {
result = new ArrayList<ClientScanResultSO>();
br = new BufferedReader(new FileReader("/proc/net/arp"));
String line;
while ((line = br.readLine()) != null) {
String[] splitted = line.split(" +");
if ((splitted != null) && (splitted.length >= 4)) {
// Basic sanity check
String mac = splitted[3];
System.out.println("mac is***************"+ mac);
if (mac.matches("..:..:..:..:..:..")) {
boolean isReachable = InetAddress.getByName(splitted[0]).isReachable(reachableTimeout);
String name = InetAddress.getByName(splitted[0]).getHostName();
if (!onlyReachables || isReachable) {
result.add(new ClientScanResultSO(splitted[0], splitted[3], splitted[5], isReachable, name));
}
}
}
}
} catch (Exception e) {
Log.e(this.getClass().toString(), e.getMessage());
} finally {
try {
br.close();
} catch (IOException e) {
Log.e(this.getClass().toString(), e.getMessage());
}
}
return result;
}
我无法找到它的问题。“/proc/net/arp”是否没有注册所有设备详细信息?有人可以帮助我吗...谢谢!