1 package net.blogjava.mobile; 2  3 import java.net.HttpURLConnection; 4 import java.util.ArrayList; 5 import java.util.List; 6  7 import org.apache.http.HttpResponse; 8 import org.apache.http.NameValuePair; 9 import org.apache.http.client.entity.UrlEncodedFormEntity;10 import org.apache.http.client.methods.HttpGet;11 import org.apache.http.client.methods.HttpPost;12 import org.apache.http.impl.client.DefaultHttpClient;13 import org.apache.http.message.BasicNameValuePair;14 import org.apache.http.protocol.HTTP;15 import org.apache.http.util.EntityUtils;16 17 import android.app.Activity;18 import android.os.Bundle;19 import android.view.View;20 import android.view.View.OnClickListener;21 import android.widget.Button;22 import android.widget.EditText;23 import android.widget.TextView;24 25 public class Main extends Activity implements OnClickListener26 {27 28     @Override29     public void onClick(View view)30     {31         String url = "http://169.254.103.188/querybooks/QueryServlet";32         TextView tvQueryResult = (TextView) findViewById(R.id.tvQueryResult);33         EditText etBookName = (EditText) findViewById(R.id.etBookName);34         HttpResponse httpResponse = null;35         try36         {37             38             switch (view.getId())39             {40                 case R.id.btnGetQuery:41                     url += "?bookname=" + etBookName.getText().toString();42                     HttpGet httpGet = new HttpGet(url);43                     httpResponse = new DefaultHttpClient().execute(httpGet);44                     if (httpResponse.getStatusLine().getStatusCode() == 200)45                     {46                         47                         String result = EntityUtils.toString(httpResponse.getEntity(), HTTP.UTF_8);48                         tvQueryResult.setText(result);49                         System.out.println(result);50                     }51                     break;52 53                 case R.id.btnPostQuery:54                     HttpPost httpPost = new HttpPost(url);55                     List<NameValuePair> params = new ArrayList<NameValuePair>();56                     params.add(new BasicNameValuePair("bookname", etBookName57                             .getText().toString()));58                     httpPost.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));59                     60                     httpResponse = new DefaultHttpClient().execute(httpPost);61                     if (httpResponse.getStatusLine().getStatusCode() == 200)62                     {63                         String result = EntityUtils.toString(httpResponse64                                 .getEntity());65                         tvQueryResult.setText(result.replaceAll("\r", ""));66                     }67                     break;68             }69         }70         catch (Exception e)71         {72             tvQueryResult.setText(e.getMessage());73         }74 75     }76 77     @Override78     public void onCreate(Bundle savedInstanceState)79     {80         super.onCreate(savedInstanceState);81         setContentView(R.layout.main);82         Button btnGetQuery = (Button) findViewById(R.id.btnGetQuery);83         Button btnPostQuery = (Button) findViewById(R.id.btnPostQuery);84         btnGetQuery.setOnClickListener(this);85         btnPostQuery.setOnClickListener(this);86         87     }88 }