package com.creazy.demohttpclient;

 import android.app.Activity;

 import android.app.AlertDialog;

 import android.content.DialogInterface;

 import android.os.Looper;

 import android.support.v7.app.AppCompatActivity;

 import android.os.Bundle;

 import android.view.Menu;

 import android.view.MenuItem;

 import android.view.View;

 import android.widget.Button;

 import android.widget.EditText;

 import android.widget.TextView;

 import android.widget.Toast;

 import org.apache.http.HttpResponse;

 import org.apache.http.NameValuePair;

 import org.apache.http.client.HttpClient;

 import org.apache.http.client.entity.UrlEncodedFormEntity;

 import org.apache.http.client.methods.HttpPost;

 import org.apache.http.impl.client.DefaultHttpClient;

 import org.apache.http.message.BasicNameValuePair;

 import org.apache.http.protocol.HTTP;

 import org.apache.http.util.EntityUtils;

 import java.io.IOException;

 import java.io.UnsupportedEncodingException;

 import java.util.ArrayList;

 import java.util.List;

 public class MainActivity extends Activity

 {

     private Button btn_login;

     private Button btn_reg;

     private HttpClient httpClient //init ...初始化成员变量<1.2>

         this.btn_login = (Button)findViewById(R.id.login);

         this.btn_reg = (Button)findViewById(R.id.regiser);

         this.httpClient = new DefaultHttpClient() //load login View

         final View loginDialog = getLayoutInflater().inflate(R.layout.login_layout , null );

         AlertDialog.Builder bud = new AlertDialog.Builder(MainActivity.this);

         bud.setTitle("login");

         bud.setView(loginDialog);

         bud.setPositiveButton("ok", new DialogInterface.OnClickListener() {

             @Override

             public void onClick(DialogInterface dialogInterface, int i) {

                 //get user info

                 final String name = ((EditText) loginDialog.findViewById(R.id.user)).getText().toString();

                 final String pass = ((EditText) loginDialog.findViewById(R.id.passed)).getText().toString();

                 new Thread() {

                     @Override

                     public void run() {

                         super.run();

                         String url = "http://192.168.1.101:8080/DemoLogin/LoginServlet";

                         Step2,这个对象中含有请求的URL

                                                 params.add(new BasicNameValuePair("pass", pass));

                         try {

                             //设置请求参数

                             Step3.( response.getEntity        bud.show();

     }

     public void  showRegister(View v)

     {

 　　　　　　/**

 注册页面的代码省略

 **/

     }

 }