Android Open Source - SimpleVolleyExample Home Activity

• Back to Framework/Network  ↑

From Project

Back to project page SimpleVolleyExample.

License

The source code is released under:

MIT License

Java Source Code

package mx.androidtitlan.simplevolleyexample;
/*from w w w .j a v a2 s  .c  om*/
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.StatusLine;
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.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.Toast;

import com.android.volley.DefaultRetryPolicy;
import com.android.volley.Request.Method;
import com.android.volley.RequestQueue;
import com.android.volley.Response.ErrorListener;
import com.android.volley.Response.Listener;
import com.android.volley.VolleyError;
import com.android.volley.VolleyLog;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;

public class HomeActivity extends Activity {
  protected static final String TAG = "SimpleVolleyExample";
  String URL = "http://requestb.in/10mwjs41";

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

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.home, menu);
    return true;
  }

  public void useVolley(View view) {
    RequestQueue requestQueue = Volley.newRequestQueue(this);
    StringRequest stringRequest = new StringRequest(Method.POST, URL,
        new Listener<String>() {

          @Override
          public void onResponse(String response) {
            VolleyLog.v(TAG, response);
            Toast.makeText(HomeActivity.this,
                "Response: " + response, Toast.LENGTH_LONG)
                .show();

          }
        }, new ErrorListener() {
          @Override
          public void onErrorResponse(VolleyError error) {
            VolleyLog.e("Volley Error", "" + error.toString());
            Toast.makeText(HomeActivity.this,
                "Response: " + error.toString(),
                Toast.LENGTH_LONG).show();
          }
        }) {
      @Override
      protected Map<String, String> getParams()
          throws com.android.volley.AuthFailureError {
        HashMap<String, String> params = new HashMap<String, String>();
        params.put("gdg", "Androidtitlan");
        params.put("token", "hxf13371337hxf");
        params.put("name", "Enrique Diaz");
        params.put("type", "volley");

        return params;
      }
    };
    // use setRetryPolicy to reconfigure retry policies.
    stringRequest.setRetryPolicy(new DefaultRetryPolicy(15000, 1, 1.0f));
    // add the request object to the queue to be executed.
    requestQueue.add(stringRequest);
  }

  public void useAsyncTask(View view) {
    HashMap<String, String> params = new HashMap<String, String>();
    params.put("gdg", "Androidtitlan");
    params.put("token", "hxf13371337hxf");
    params.put("name", "Enrique Diaz");
    params.put("type", "asynctask");
    AsyncHttpPost asyncHttpPost = new AsyncHttpPost(params);
    asyncHttpPost.execute(URL);
  }

  public class AsyncHttpPost extends AsyncTask<String, String, String> {
    private HashMap<String, String> mData = null;// post data

    /**
     * constructor
     */
    public AsyncHttpPost(HashMap<String, String> data) {
      mData = data;
    }

    /**
     * background
     */
    @Override
    protected String doInBackground(String... params) {
      byte[] result = null;
      String str = "";
      HttpClient client = new DefaultHttpClient();
      HttpPost post = new HttpPost(params[0]);// in this case, params[0]
                          // is URL
      try {
        // set up post data
        ArrayList<NameValuePair> nameValuePair = new ArrayList<NameValuePair>();
        Iterator<String> it = mData.keySet().iterator();
        while (it.hasNext()) {
          String key = it.next();
          nameValuePair.add(new BasicNameValuePair(key, mData
              .get(key)));
        }

        post.setEntity(new UrlEncodedFormEntity(nameValuePair, "UTF-8"));
        HttpResponse response = client.execute(post);
        StatusLine statusLine = response.getStatusLine();
        if (statusLine.getStatusCode() == HttpURLConnection.HTTP_OK) {
          result = EntityUtils.toByteArray(response.getEntity());
          str = new String(result, "UTF-8");
        }
      } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
      } catch (Exception e) {
      }
      return str;
    }

    @Override
    protected void onPostExecute(String result) {
      Log.v(TAG, result);
      Toast.makeText(HomeActivity.this, "Result: " + result,
          Toast.LENGTH_LONG).show();
    }
  }

}

Java Source Code List

• Back to Framework/Network  ↑