Android 获取当前wifi网络或者mobile网络的本地IPv4 的IP地址

蔚落 2022-11-14 10:27 124阅读 0赞

package com.common.utils;
    
    import android.app.Application;
    import android.content.BroadcastReceiver;
    import android.content.Context;
    import android.content.Intent;
    import android.content.IntentFilter;
    import android.net.ConnectivityManager;
    import android.net.NetworkInfo;
    import android.net.wifi.WifiManager;
    import android.text.format.Formatter;
    
    import java.net.Inet4Address;
    import java.net.InetAddress;
    import java.net.NetworkInterface;
    import java.net.SocketException;
    import java.util.Enumeration;
    
    import static android.content.Context.CONNECTIVITY_SERVICE;
    import static android.net.ConnectivityManager.TYPE_MOBILE;
    import static android.net.ConnectivityManager.TYPE_WIFI;
    
    /**
     * Author: Pan
     * 2021/3/28
     * Description: 获取当前wifi网络或者mobile的IPv4 的IP地址
     */
    public class IPUtil {
    
        private static final IPUtil instance = new IPUtil();
    
        private IPUtil() {
        }
    
        public static IPUtil getInstance() {
            return instance;
        }
    
    
        private String currentIP = "";
    
        public String getCurrentIP() {
            return currentIP;
        }
    
        private void setWifiIP() {
            WifiManager wifiManager = (WifiManager) app.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
            int ipAddress = wifiManager.getConnectionInfo().getIpAddress();
            currentIP = Formatter.formatIpAddress(ipAddress);
            LogUtil.d(" wifi 网络IP：" + currentIP);
        }
    
        private void setMobileNetworkIP() {
            try {
                Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
                while (networkInterfaces.hasMoreElements()) {
                    Enumeration<InetAddress> inetAddresses = networkInterfaces.nextElement().getInetAddresses();
                    while (inetAddresses.hasMoreElements()) {
                        InetAddress address = inetAddresses.nextElement();
                        if (!address.isLoopbackAddress() && address instanceof Inet4Address) {
                            LogUtil.d(" 移动网络IP：" + address.getHostAddress());
                            currentIP = address.getHostAddress();
                            return;
                        }
                    }
                }
            } catch (SocketException e) {
                LogUtil.e(e);
            }
        }
    
        private Application app;
    
        public void init(Application app) {
            if (this.app == null) {
                this.app = app;
                IntentFilter intentFilter = new IntentFilter();
                intentFilter.addAction("android.net.conn.CONNECTIVITY_CHANGE");
                NetworkChangeReceiver networkChangeReceiver = new NetworkChangeReceiver();
                app.registerReceiver(networkChangeReceiver, intentFilter);
            }
    
        }
    
        private class NetworkChangeReceiver extends BroadcastReceiver {
            @Override
            public void onReceive(Context context, Intent intent) {
                ConnectivityManager connectionManager = (ConnectivityManager) app.getSystemService(CONNECTIVITY_SERVICE);
                NetworkInfo networkInfo = connectionManager.getActiveNetworkInfo();
                if (networkInfo != null && networkInfo.isAvailable()) {
                    switch (networkInfo.getType()) {
                        case TYPE_MOBILE:
                            setMobileNetworkIP();
                            break;
                        case TYPE_WIFI:
                            setWifiIP();
                            break;
                        default:
                            break;
                    }
                }
            }
        }
    
    
    }