Android Open Source - muckebox-android Refresh Task

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License

The source code is released under:

Apache License

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Java Source Code

/*   
 * Copyright 2013 Karsten Patzwaldt/*  w  ww.  j  a  v  a  2  s .  c  o m*/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.muckebox.android.net;

import org.muckebox.android.Muckebox;

import android.os.AsyncTask;
import android.widget.Toast;

public abstract class RefreshTask<Params> extends AsyncTask<Params, Void, Integer> {
    
    private boolean mWasRunning = false;
    
    public interface Callbacks {
        void onRefreshStarted();
        
        void onRefreshFinished(boolean success);
    }
    
    public boolean wasRunning() {
        return mWasRunning;
    }
    
  Callbacks mCallbacks = null;
  
  public RefreshTask<Params> setCallbacks(Callbacks callbacks) {
    mCallbacks = callbacks;
    
    return this;
  }
  
  @Override
  protected void onPreExecute() {
    if (mCallbacks != null)
      mCallbacks.onRefreshStarted();
    
    mWasRunning = true;
  }

  @Override
  protected void onPostExecute(Integer errorCode) {
    if (errorCode != null)
      Toast.makeText(Muckebox.getAppContext(),
          errorCode,
          Toast.LENGTH_LONG).show();
    
    if (mCallbacks != null)
      mCallbacks.onRefreshFinished(errorCode == null);
  }
}

Java Source Code List