my IP Address |
package com.example.androidmyip;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;
import android.os.Bundle;
import android.app.Activity;
import android.widget.TextView;
public class MainActivity extends Activity {
TextView info;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
info = (TextView)findViewById(R.id.info);
info.setText(getIpAddress());
//info.setText(getLocalIpAddress());
}
private String getIpAddress(){
String ip = "";
try {
Enumeration<NetworkInterface> enumNetworkInterfaces =
NetworkInterface.getNetworkInterfaces();
while(enumNetworkInterfaces.hasMoreElements()){
NetworkInterface networkInterface =
enumNetworkInterfaces.nextElement();
Enumeration<InetAddress> enumInetAddress =
networkInterface.getInetAddresses();
while(enumInetAddress.hasMoreElements()){
InetAddress inetAddress = enumInetAddress.nextElement();
String ipAddress = "";
if(inetAddress.isLoopbackAddress()){
ipAddress = "LoopbackAddress: ";
}else if(inetAddress.isSiteLocalAddress()){
ipAddress = "SiteLocalAddress: ";
}else if(inetAddress.isLinkLocalAddress()){
ipAddress = "LinkLocalAddress: ";
}else if(inetAddress.isMulticastAddress()){
ipAddress = "MulticastAddress: ";
}
ip += ipAddress + inetAddress.getHostAddress() + "\n";
}
}
} catch (SocketException e) {
// TODO Auto-generated catch block
e.printStackTrace();
ip += "Something Wrong! " + e.toString() + "\n";
}
return ip;
}
}
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:orientation="vertical"
tools:context=".MainActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:autoLink="web"
android:text="http://android-er.blogspot.com/"
android:textStyle="bold" />
<TextView
android:id="@+id/info"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
Remark: <uses-permission android:name="android.permission.INTERNET"/> is needed in AndroidManifest.xml.
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