package?com.example.c;

import?java.io.DataInputStream;
import?java.io.DataOutputStream;

import?java.io.IOException;

import?java.net.InetSocketAddress;
import?java.net.Socket;
import?java.net.SocketAddress;
import?java.net.SocketTimeoutException;
import?java.net.UnknownHostException;
import?java.nio.charset.Charset;

import?com.example.c.R;

import?android.os.AsyncTask;
import?android.os.Bundle;
import?android.os.Handler;
import?android.os.Message;

import?android.annotation.SuppressLint;
import?android.app.Activity;

import?android.view.View;
import?android.widget.Button;
import?android.widget.EditText;

import?android.widget.Toast;

public?class?C_MainActivity?extends?Activity?{

	private?final?String?ServerIP?=?“192.168.4.1“;
	private?final?int?port?=?5000;
	public?Socket?socket?=?null;
	public?Button?btn1?=?null;
	public?Button?btn2?=?null;
	public?EditText?Text1?=?null;
	public?EditText?Text2?=?null;
	boolean?state?=?true;

	public?DataOutputStream?ou;
	public?DataInputStream?in;

	@Override
	protected?void?onCreate（Bundle?savedInstanceState）?{
		super.onCreate（savedInstanceState）;
		setContentView（R.layout.activity_c__main）;

		btn1?=?（Button）?findViewById（R.id.button1）;
		btn2?=?（Button）?findViewById（R.id.button2）;
		Text1?=?（EditText）?findViewById（R.id.editText1）;
		Text2?=?（EditText）?findViewById（R.id.editText2）;

		//?連接服務器
		registerquery（ServerIP?port）;

		btn1.setonclickListener（new?View.onclickListener（）?{
			@Override
			public?void?onclick（View?v）?{
				receive_registerquery（）;
			}
		}）;

		btn2.setonclickListener（new?View.onclickListener（）?{
			@Override
			public?void?onclick（View?v）?{
				send_registerquery（）;
			}
		}）;

	}

	private?void?registerquery（final?String?ServerIP_value?final?int?port）?{
		//?TODO?Auto-generated?method?stub

		new?AsyncTask（）?{
			//?開啟分線程執行doInBackground（）方法之前執行的方法，在主線程中執行，可以更新UI
			@Override
			protected?void?onPreExecute（）?{

			};

			//?此方法在分線程里面執行，不能更新UI
			@Override
			protected?String?doInBackground（Void...?params）?{
				String?entityString;
				try?{
					socket?=?new?Socket（）;
					try?{
						/*
						?*?連接服務器超時失敗
						?*/
						SocketAddress?socAddress?=?new?InetSocketAddress（
								ServerIP_value?port）;
						socket.connect（socAddress?2000）;
						entityString?=?“success“;
					}?catch?（SocketTimeoutException?se）?{//?拋出異常
						entityString?=?“fail“;
					}
				}?catch?（UnknownHostException?e）?{
					//?TODO?Auto-generated?catch?block
					entityString?=?“fail“;
					e.printStackTrace（）;
				}?catch?（IOException?e）?{
					//?TODO?Auto-generated?catch?block
					entityString?=?“fail“;
					e.printStackTrace（）;
				}
				return?entityString;
			}

			//?doInBackground（）執行完之后調用此方法，并且會傳遞result給此方法，此方法在主線程里執行，可以直接更新UI
			@Override
			protected?void?onP