但是在4.0 下 會出現類似fe80::b607:f9ff:fee5:487e的IP地址，  這個是IPV6的地址，我們需要獲得是的IPV4的地址，所以要在上訴程式碼中加一個判斷
[java] 
InetAddressUtils.isIPv4Address(inetAddress.getHostAddress())

package com.example.androidtsetip;

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;

import org.apache.http.conn.util.InetAddressUtils;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.widget.TextView;

public class MainActivity extends Activity {
    
    private TextView text;
    private int i = 0;
    
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        text = (TextView) findViewById(R.id.txet);
         handler.post(runnable);
    }
    
    




Runnable runnable = new Runnable() {
        
        @Override
        public void run() {
            // TODO Auto-generated method stub
            
            
            handler.sendEmptyMessage(1);
            //開始
            handler.postDelayed(runnable, 1000);

            
        }
    };
    
    private Handler handler = new Handler(){
         public void handleMessage(Message msg){
              switch (msg.what){
              case 1:
                  String IP = getLocalIpAddress();
                  i++;
                  text.setText( "第"+i+"次IP地址"+IP);
                  break;               
              default:
                  break;
              }
         }
    };
    
    
    
  //獲取地址
       public static 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() && InetAddressUtils.isIPv4Address(inetAddress.getHostAddress())) {   
                                   
                                  return inetAddress.getHostAddress().toString();   
                              }   
                          }   
                   }
              }catch (SocketException e) {
                  // TODO: handle exception
                 Log.e("liwenquan","WifiPreference IpAddress---error-" + e.toString());
              }
               
              return null;  
          }
    
    private void  Broadcast(){
        final IntentFilter filter = new IntentFilter();  
        // 螢幕滅屏廣播  
        filter.addAction(Intent.ACTION_SCREEN_OFF);  
        // 螢幕亮屏廣播  
        filter.addAction(Intent.ACTION_SCREEN_ON);  
        // 螢幕解鎖廣播  
        filter.addAction(Intent.ACTION_USER_PRESENT);
        
        BroadcastReceiver broa = new BroadcastReceiver() {
            
            @Override
            public void onReceive(Context context, Intent intent) {
                // TODO Auto-generated method stub
                 String action = intent.getAction();  
                  
                    if (Intent.ACTION_SCREEN_ON.equals(action)) {  
                        Log.d("liwenquan", "screen on");  
                    } else if (Intent.ACTION_SCREEN_OFF.equals(action)) {  
                        Log.d("liwenquan", "screen off");  
                    } else if (Intent.ACTION_USER_PRESENT.equals(action)) {  
                        Log.d("liwenquan", "screen unlock");
                    }
            }
        };
        
    }
    
    
    
    
    
    
    
    
    

}