- //所需的权限
- <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
- <uses-permission android:name="android.permission.INTERNET"></uses-permission>
- ---------------------------------------------------------------------
- //布局
- <Button
- android:id="@+id/btn"
- android:text="获取IP"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:onClick="onclick"
- />
- <EditText
- android:id="@+id/ip_txt"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"/>
- <EditText
- android:id="@+id/mac_txt"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"/>
- -------------------------------------------------------------------------------
- //正文
- package com.wifi;
- import java.net.InetAddress;
- import java.net.NetworkInterface;
- import java.net.SocketException;
- import java.util.Enumeration;
- import android.app.Activity;
- import android.content.Context;
- import android.net.wifi.WifiInfo;
- import android.net.wifi.WifiManager;
- import android.os.Bundle;
- import android.util.Log;
- import android.view.View;
- import android.widget.Button;
- import android.widget.EditText;
- public class MainActivity extends Activity {
- public static String IP; //本机IP
- public static String MAC; //本机MAC
- Button btn=null;
- EditText ip_txt=null;
- EditText mac_txt=null;
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- btn=(Button)findViewById(R.id.btn);
- ip_txt=(EditText)findViewById(R.id.ip_txt);
- mac_txt=(EditText)findViewById(R.id.mac_txt);
- }
- public void onclick(View v){
- switch (v.getId()) {
- case R.id.btn:
- IP = getLocalIpAddress(); //获取本机IP
- MAC = getLocalMacAddress();//获取本机MAC
- ip_txt.setText(IP);
- mac_txt.setText(MAC);
- break;
- }
- }
- 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;
- }
- public String getLocalMacAddress() {
- WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
- WifiInfo info = wifi.getConnectionInfo();
- return info.getMacAddress();
- }
- }
- //该片段来自于http://www.codesnippet.cn/detail/171020136458.html
来源: http://www.codesnippet.cn/detail/171020136458.html