获取本手机IP地址

MyIPAdressActivity.java

package com.gogler.MyIPAdress;

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

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

public class MyIPAdressActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
String MyIPAdress=GetHostIp();
TextView tv=new TextView(this);
tv.setText("MyIPAdress:"+MyIPAdress);
setContentView(tv);

}

public String GetHostIp() {
try {
for (Enumeration<NetworkInterface> en = NetworkInterface
.getNetworkInterfaces(); en.hasMoreElements();) {
NetworkInterface intf = en.nextElement();
for (Enumeration<InetAddress> ipAddr = intf.getInetAddresses(); ipAddr
.hasMoreElements();) {
InetAddress inetAddress = ipAddr.nextElement();
if (!inetAddress.isLoopbackAddress()) {
return inetAddress.getHostAddress();
}
}
}
} catch (SocketException ex) {
} catch (Exception e) {
}
return null;
}

}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.gogler.MyIPAdress"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk android:minSdkVersion="4" />
<!-- 必须授权-INTERNET -->
<uses-permission android:name="android.permission.INTERNET"/>
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:label="@string/app_name"
android:name=".MyIPAdressActivity" >
<intent-filter >
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>

</manifest>