소스해석부탁드립니다222

Question

    <TextView

        android:id="@+id/myIP"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/b_getIP"

        android:layout_alignParentTop="true"

        android:layout_marginTop="29dp"

        android:text="text_myIP" />



    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="text_broadcastIP"

        android:id="@+id/broadcastIP"

        android:layout_below="@+id/b_getIP"

        android:layout_alignParentLeft="true"

        android:layout_alignParentStart="true"

        android:layout_marginTop="45dp" />



    <Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Get_BroadcastIP"

        android:id="@+id/getbroadcastIP"

        android:layout_below="@+id/broadcastIP"

        android:layout_alignLeft="@+id/b_getIP"

        android:layout_alignStart="@+id/b_getIP"

        android:layout_marginTop="29dp"

        android:onClick="Click_getbroadcastIP" />





</RelativeLayout>

 

 

• java (MainActivity)

package com.example.cnrld_home.getip_broadcast;

import android.net.DhcpInfo;
import android.net.wifi.WifiManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import java.io.IOException;
import java.net.*;
import java.util.Collections;
import java.net.InetAddress;
import android.net.DhcpInfo;
import android.net.wifi.WifiManager;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.widget.TextView;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.util.Enumeration;

import android.app.Activity;
import android.net.DhcpInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;


public class MainActivity extends AppCompatActivity {

    private TextView text;
    private TextView text1;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        text = (TextView) findViewById(R.id.myIP);
        text1 = (TextView) findViewById(R.id.broadcastIP);
    }