Android手机获取IP地址的两种方法

• Z时代
• 2024-01-10
• 分类：综合

1.使用WIFI

首先设置用户权限

<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>  

其次，代码如下

public void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        setContentView(R.layout.main);  
         
        //获取wifi服务  
        WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);  
        //判断wifi是否开启  
        if (!wifiManager.isWifiEnabled()) {  
        wifiManager.setWifiEnabled(true);    
        }  
        WifiInfo wifiInfo = wifiManager.getConnectionInfo();       
        int ipAddress = wifiInfo.getIpAddress();   
        String ip = intToIp(ipAddress);   
        EditText et = (EditText)findViewById(R.id.EditText01);  
        et.setText(ip);  
    }     
    private String intToIp(int i) {       
         
          return (i & 0xFF ) + "." +       
        ((i >> 8 ) & 0xFF) + "." +       
        ((i >> 16 ) & 0xFF) + "." +       
        ( i >> 24 & 0xFF) ;  
     }   

2.使用GPRS

首先，设置用户上网权限

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

其次，代码如下

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;  
    }

以上是 Android手机获取IP地址的两种方法 的全部内容， 来源链接： utcz.com/z/334327.html