android platforms HttpGet and HttpPost request instances
- 2020-05-30 21:02:52
- OfStack
An example of http communication using the HttpGet() method in HttpClient:
/**
*description : Android HttpGet()
*authour:YanEr ・ Gates
*website:https://www.ofstack.com
*/
package me.gogogoog;
import java.io.IOException;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
public class MyHttpGetActivity extends Activity{
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.result);
TextView resultText = (TextView) this.findViewById(R.id.resultText);
String username="username";
String password="password";
String httpUrl = "http://192.168.1.90:8080/AndroidLogin/loginAction.do?method=login&username="+username+"&password="+password;
// create httpRequest object
HttpGet httpRequest = new HttpGet(httpUrl);
try
{
// achieve HttpClient object
HttpClient httpclient = new DefaultHttpClient();
// request HttpClient , HttpResponse
HttpResponse httpResponse = httpclient.execute(httpRequest);
// The request is successful
if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK)
{
// Gets the returned string
String strResult = EntityUtils.toString(httpResponse.getEntity());
resultText.setText(strResult);
}
else
{
resultText.setText(" Request error !");
}
}
catch (ClientProtocolException e)
{
resultText.setText(e.getMessage().toString());
}
catch (IOException e)
{
resultText.setText(e.getMessage().toString());
}
catch (Exception e)
{
resultText.setText(e.getMessage().toString());
}
}
}
An example of http communication using the HttpPost() method in HttpClient:
/**
*description : Android HttpPost()
*authour:YanEr ・ Gates
*website:https://www.ofstack.com
*/
package me.gogogoog;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
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.util.EntityUtils;
import android.app.Activity;
import android.widget.TextView;
public class ResultActivity extends Activity{
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.result);
TextView resultText = (TextView) this.findViewById(R.id.resultText);
String username="username";
String password="password";
String httpUrl = "http://192.168.1.90:8080/AndroidLogin/loginAction.do?method=login";
// create httpRequest object
HttpPost httpRequest = new HttpPost(httpUrl);
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("username", username));
params.add(new BasicNameValuePair("password", password));
try{
// Set character set
HttpEntity httpentity = new UrlEncodedFormEntity(params, "gb2312");
// request httpRequest
httpRequest.setEntity(httpentity);
// Get the default HttpClient
HttpClient httpclient = new DefaultHttpClient();
// achieve HttpResponse
HttpResponse httpResponse = httpclient.execute(httpRequest);
//HttpStatus.SC_OK Means the connection was successful
if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK){
// Gets the returned string
String strResult = EntityUtils.toString(httpResponse.getEntity());
resultText.setText(strResult);
}else{
resultText.setText(" Request error !");
}
}catch (ClientProtocolException e){
resultText.setText(e.getMessage().toString());
} catch (IOException e){
resultText.setText(e.getMessage().toString());
}catch (Exception e){
resultText.setText(e.getMessage().toString());
}
}
}