Android Open Source - SeeKampf Volley Activity

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Back to project page SeeKampf.

License

The source code is released under:

GNU General Public License

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Java Source Code

package net.avedo.seekampf.core;
//from   w  w w .  j a v a2s .  com
import android.app.Activity;
import android.os.Bundle;
import android.text.TextUtils;

import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.VolleyLog;
import com.android.volley.toolbox.Volley;

public class VolleyActivity extends Activity {
  public static final String TAG = "VolleyPatterns";

  private static VolleyActivity instance;

  private RequestQueue requestQueue;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // Initialize the singleton.
    instance = this;
  }

  public static synchronized VolleyActivity getInstance() {
    return instance;
  }

  public RequestQueue getRequestQueue() {
    if (requestQueue == null) {
      requestQueue = Volley.newRequestQueue(getApplicationContext());
    }

    return requestQueue;
  }

  public <T> void addToRequestQueue(Request<T> req, String tag) {
    // Set the default tag if tag is empty, ...
    req.setTag(TextUtils.isEmpty(tag) ? TAG : tag);

    // ... leave a message in volly's log ...
    VolleyLog.d("Adding request to queue: %s", req.getUrl());

    // ... and add the request to the queue.
    getRequestQueue().add(req);
  }

  public <T> void addToRequestQueue(Request<T> req) {
    // Set the default tag if tag is empty ...
    req.setTag(TAG);

    // ... and add the request to the queue.
    getRequestQueue().add(req);
  }

  public void cancelPendingRequests(Object tag) {
    if (requestQueue != null) {
      requestQueue.cancelAll(tag);
    }
  }
}

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