Android 获取 IP 地址

java代码
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public String getLocalIpAddress() { 

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try { 

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for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); 

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en.hasMoreElements();) { 

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NetworkInterface intf = en.nextElement(); 

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for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); 

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enumIpAddr.hasMoreElements();) { 

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InetAddress inetAddress = enumIpAddr.nextElement(); 

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if (!inetAddress.isLoopbackAddress()) { 

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return inetAddress.getHostAddress().toString(); 

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} 

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} 

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} 

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} catch (SocketException ex) { 

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Log.e(LOG_TAG, ex.toString()); 

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} 

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return null; 

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}