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  • Android 获取当前IP地址

    1.使用WIFI

    首先设置用户权限

    复制代码代码如下:

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


    1:获取wifi地址

    public class NetWorkUtils {
    
    
        /**
         * 检查网络是否可用
         *
         * @param paramContext
         * @return
         */
        public static boolean checkEnable(Context paramContext) {
            boolean i = false;
            NetworkInfo localNetworkInfo = ((ConnectivityManager) paramContext
                    .getSystemService("connectivity")).getActiveNetworkInfo();
            if ((localNetworkInfo != null) && (localNetworkInfo.isAvailable()))
                return true;
            return false;
        }
    
        /**
         * 将ip的整数形式转换成ip形式
         *
         * @param ipInt
         * @return
         */
        public static String int2ip(int ipInt) {
            StringBuilder sb = new StringBuilder();
            sb.append(ipInt & 0xFF).append(".");
            sb.append((ipInt >> 8) & 0xFF).append(".");
            sb.append((ipInt >> 16) & 0xFF).append(".");
            sb.append((ipInt >> 24) & 0xFF);
            return sb.toString();
        }
    
        /**
         * 获取当前ip地址
         *
         * @param context
         * @return
         */
        public static String getLocalIpAddress(Context context) {
            try {
    
                WifiManager wifiManager = (WifiManager) context
                        .getSystemService(Context.WIFI_SERVICE);
                WifiInfo wifiInfo = wifiManager.getConnectionInfo();
                int i = wifiInfo.getIpAddress();
                return int2ip(i);
            } catch (Exception ex) {
                return " 获取IP出错鸟!!!!请保证是WIFI,或者请重新打开网络!
    " + ex.getMessage();
            }
            // return null;
        }
    }
    //GPRS连接下的ip
    public String getLocalIpAddress() {
        try {
            for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
                NetworkInterface intf = en.nextElement();
                for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
                    InetAddress inetAddress = enumIpAddr.nextElement();
                    if (!inetAddress.isLoopbackAddress()) {
                        return inetAddress.getHostAddress().toString();
                    }
                }
            }
        } catch (SocketException ex) {
            Log.e("WifiPreference IpAddress", ex.toString());
        }
        return null;
    }
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  • 原文地址:https://www.cnblogs.com/hello-studio/p/9640900.html
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