Android获取热点主机ip和连接热点手机ip的代码

public static final int WIFI_AP_STATE_DISABLING = 10;  public static final int WIFI_AP_STATE_DISABLED = 11;  public static final int WIFI_AP_STATE_ENABLING = 12;  public static final int WIFI_AP_STATE_ENABLED = 13;  public static final int WIFI_AP_STATE_FAILED = 14;  

public int getWifiApState(Context mContext) {    WifiManager wifiManager = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);      try {        Method method = wifiManager.getClass().getMethod("getWifiApState");        int i = (Integer) method.invoke(wifiManager);        Log.i(TAG,"wifi state: " + i);        return i;      } catch (Exception e) {        Log.e(TAG,"Cannot get WiFi AP state" + e);        return WIFI_AP_STATE_FAILED;      }    }  

private ArrayList<String> getConnectedHotIP() {   ArrayList<String> connectedIP = new ArrayList<String>();   try {     BufferedReader 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) {         String ip = splitted[0];         connectedIP.add(ip);       }     }   } catch (Exception e) {     e.printStackTrace();   }   return connectedIP; } //输出链接到当前设备的IP地址 public void printHotIp() {   ArrayList<String> connectedIP = getConnectedHotIP();   StringBuilder resultList = new StringBuilder();   for (String ip : connectedIP) {     resultList.append(ip);     resultList.append("/n");   }   System.out.print(resultList);   Log.d(TAG,"---->>heww resultList="+resultList); } 

<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /> 

WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);      DhcpInfo info=wifiManager.getDhcpInfo();      System.out.println(info.serverAddress);