權(quán)限： <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.telephony.TelephonyManager; import android.util.Log; import android.util.StringBuilderPrinter; import android.widget.TextView;import java.net.Inet4Address; import java.net.InetAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.util.Enumeration;/*** Created by Administrator on 2016/9/23 0023.*/ public class IpInfoActivity extends AppCompatActivity {public static String hostip; //本機(jī)IPpublic static String hostmac; //本機(jī)MAC/*** Called when the activity is first created.*/@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);TextView tv = new TextView(this);setContentView(tv);StringBuilder sb = new StringBuilder();sb.append("網(wǎng)絡(luò)狀態(tài)：").append(getCurrentNetType(this)).append("\n");ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);NetworkInfo info = cm.getActiveNetworkInfo();if (info == null) {sb.append("獲取IP 失敗");} else if (info.getType() == ConnectivityManager.TYPE_WIFI) {sb.append("WIFI IP地址：").append(getWifiIp());} else if (info.getType() == ConnectivityManager.TYPE_MOBILE) {sb.append("手機(jī) IP地址：").append(getIpAddress());}tv.setText(sb.toString());}public static String getIpAddress() {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()&& inetAddress instanceof Inet4Address) {// if (!inetAddress.isLoopbackAddress() && inetAddress// instanceof Inet6Address) {return inetAddress.getHostAddress().toString();}}}} catch (Exception e) {e.printStackTrace();}return null;}public String getWifiIp() {WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);WifiInfo info = wifi.getConnectionInfo();// 獲得IP地址的方法一：int ipAddress = info.getIpAddress();String ipString = "";if (ipAddress != 0) {ipString = ((ipAddress & 0xff) + "." + (ipAddress >> 8 & 0xff) + "."+ (ipAddress >> 16 & 0xff) + "." + (ipAddress >> 24 & 0xff));}return ipString;}public String getLocalMacAddress() {WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);WifiInfo info = wifi.getConnectionInfo();return info.getMacAddress();}public static String getCurrentNetType(Context context) {String type = "";ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);NetworkInfo info = cm.getActiveNetworkInfo();if (info == null) {type = "null";} else if (info.getType() == ConnectivityManager.TYPE_WIFI) {type = "wifi";} else if (info.getType() == ConnectivityManager.TYPE_MOBILE) {int subType = info.getSubtype();if (subType == TelephonyManager.NETWORK_TYPE_CDMA || subType == TelephonyManager.NETWORK_TYPE_GPRS|| subType == TelephonyManager.NETWORK_TYPE_EDGE) {type = "2g";} else if (subType == TelephonyManager.NETWORK_TYPE_UMTS || subType == TelephonyManager.NETWORK_TYPE_HSDPA|| subType == TelephonyManager.NETWORK_TYPE_EVDO_A || subType == TelephonyManager.NETWORK_TYPE_EVDO_0|| subType == TelephonyManager.NETWORK_TYPE_EVDO_B) {type = "3g";} else if (subType == TelephonyManager.NETWORK_TYPE_LTE) {// LTE是3g到4g的過(guò)渡，是3.9G的全球標(biāo)準(zhǔn)type = "4g";}}return type;} }

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